Common use of Metering Arrangements Clause in Contracts

Metering Arrangements. (a) ABT compliant interface meters shall be installed as specified in the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer or his representative. (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioning. Provided that, if difference exists between the readings of main and check meters, viz. main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the defective meter shall be immediately replaced and reading of other will be considered. (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee to the consumption registered by the meter with lesser error. (j) The open access customer shall check the healthiness of metering arrangement by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately.

Metering Arrangements. (a) ABT compliant interface meters shall be installed as specified in the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Transmission Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Transmission Licensee, as the case may be and approved by the Commission. The cost of meters and installation installation, have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Transmission Licensee. (c) The STU or Distribution Transmission Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution STU/ Transmission Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Despatch Centre / Distribution Transmission Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Transmission Licensee in the presence of the open access customer or his representative. (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioning. Provided that, if difference exists between the readings of main and check meters, viz. main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the defective meter shall be immediately replaced and reading of other will be considered. (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Transmission Licensee to the consumption registered by the meter with lesser error. (j) The open access customer shall check the healthiness of metering arrangement by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately.

Metering Arrangements. (a) ABT compliant interface a. The Wind Energy Generator shall provide special energy meters shall be installed with facilities to record export and import of energy and as specified per the standards / procedures stipulated in the Central Electricity Authority Authority’s (Installation and Operation of Meters) RegulationsRegulations 2006 and regulations/directions issued by the Commission there on, 2006in respect of type, ownership, location, accuracy class, installation, operation, testing and maintenance, access, sealing, safety, meter reading and recording, meter failure or discrepancies, anti tampering features, quality assurance, calibration and periodical testing of meters, additional meters and adoption of new technologies. b. The Wind Energy Generator shall also adopt the standards and procedures as stipulated in the Tamil Nadu Electricity Grid Code and Tamil Nadu Electricity Regulatory Commission –Intra State Open Access Regulations 2005 in respect of metering. c. The Wind Energy Generator may request STU/distribution Licensee to provide Main Meters. The meters In that case he shall provide security to distribution Licensee and shall pay for its rent and Main Meter shall be provided maintained by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the STU/Distribution Licensee. (c) d. The STU or STU/Distribution Licensee may provide Check Meters of the same specifications specification as that of the main meters.Main Meters; (d) e. The open access customer Wind Energy Generator can have a standby stand by meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) f. The Main and Check Meters shall be periodically tested test checked for accuracy once in six months, and shall also be calibrated by the generators/ Licensee as the case once in a year. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) g. Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution distribution Licensee in the presence of the open access customer /STU and generator or his representative, if present. (h) h. Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (i) i. If during the half yearly test check or annual calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the meter testing Wing of the STU or Distribution / Licensee to the consumption registered by the meter with lesser error. (j) j. The open access customer Wind Energy Generator shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. k. The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2 (kp) The main and check meters shall be tested for accuracy as per of the CEA Central Electricity Authority (Installation and Operation operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately2006.

Metering Arrangements. (a1) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Commission’s Intra State Open Access Regulations 2005, Tamil Nadu Electricity Distribution Code, 2004 and Tamil Nadu Grid Code, 2004 in consultation with Distribution Licensee / State Transmission Utility. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard. (2) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee / State Transmission Utility. (3) The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2 (p) of the Central Electricity Authority (Installation and operation of meters) Regulations 2006. (4) The State Transmission Utility / Distribution Licensee may provide Check Meters of the same specification as Main Meters; (5) The Wind Energy Generator can have a standby meter of the same specification tested and sealed by the State Transmission Utility / Distribution Licensee. (6) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g7) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer / State Transmission Utility and generator or his representative. (h) 8) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (i9) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or meter testing Wing of the State Transmission Utility / Distribution Licensee to the consumption registered by the meter with lesser error. (j10) The open access customer Wind Energy Generator shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k11) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence Time of parties involved. Both parties shall seal main and check meters. Defective Day (XXX) meters shall with appropriate communication facilities to be replaced immediatelyconnected with SLDC / Control Centre.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Commission's Grid Connectivity and Intra State Open Access Regulations 2014, Tamil Nadu Electricity Distribution Code, 2004 and the Tamil Nadu Grid Code and in consultation with Distribution Licensee / STU. The periodicity of testing, checking, calibration, etc., shall be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard. Meter shall be installed and connected at the point of interconnection between electrical system of the generating company and Transmission /Distribution system at the cost of SPG. (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified in by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee / STU. (c) The term ‘Meter' shall mean a ‘Meter' with ABT Compatibility and digital communication facilities to be connected to the SLDC/Control Centre. (d) The State Transmission Utility / Distribution Licensee may provide Check Meters of the same specification as Main Meters; (e) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee/STU at the cost of SPG. (f) The Main and Check Meters shall be test checked for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by tested using NABL accredited mobile laboratory or at any NABL accredited laboratory in the STU presence of parties involved or the Distribution Licensee as the case may be, their authorized representatives at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involvedSPG. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee / STU and in the presence of the open access customer generator or his his/their authorized representative. (h) Check meter readings shall be considered when Main Meters are Meter is found to be defective or stopped functioning. Provided , provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage of error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. Both the meters shall be tested at the cost of SPG. (i) If during the periodical test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx bill shall be revised for the previous 3 (Three) months or for the exact period period, if known and agreed upon by both the parties, by applying correction as determined by the meter testing wing of the Distribution Licensee/STU or Distribution Licensee to the consumption registered by the meter with lesser error. The periodical testing of meters shall be done as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. (j) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the Potential Transformer fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. Potential Transformer fuses or due to any other causes, the energy imported or / exported may be arrived at based on the standby meter, if available, or by mutual agreement of as agreed mutually between the parties involvedparties. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately.

Metering Arrangements. (a) ABT compliant interface a. The Bio-mass power generator shall provide special energy meters shall be installed with facilities to record export and import of energy and as specified per the standards/procedures stipulated in the Central Electricity Authority (Installation and Operation of Meters) RegulationsRegulations 2006 and regulations/directions issued by the Commission there on, 2006in respect of type, ownership, location, accuracy class, installation, operation, testing and maintenance, access, sealing, safety, meter reading and recording, meter failure or discrepancies, anti tampering features, quality assurance, calibration and periodical testing of meters, additional meter and adoption of new technologies. b. The Bio-mass power generator shall also adopt the standards and procedures as stipulated in the Commission’s Grid Code and Open Access Regulations in respect of metering. c. The Bio-mass power generator may request STU/Distribution Licensee to provide Main Meters. The meters In that case he shall provide security to Distribution Licensee and shall pay for its rent and Main Meter shall be provided maintained by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the STU/Distribution Licensee. (c) d. The STU or STU/Distribution Licensee may provide Check Meters of the same specifications specification as that of the main metersMain Meters. (d) e. The open access customer Bio-mass power generator can have a standby stand by meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) f. The Main and Check Meters shall be periodically tested test checked for accuracy once in six months, and shall also be calibrated by the generators/ Licensee as the case once in a year. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties Licensee / STU shall seal Main and Check metersmeters in the presence of the other party. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading g. Regarding of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STUDistribution Licensee/Distribution Licensee STU and in the presence of the open access customer generator or his representative. (h) h. Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if it difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (i) i. If during the half yearly test check or annual calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the meter testing wing of the STU or Distribution / Licensee to the consumption registered by the meter with lesser error. (j) j. The open access customer Bio-mass power generator shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or / exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. Incase of dispute the licensee/Bio-mass power generator can approach the Commission by filing petitions. (kk. The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2(p) The main and check meters shall be tested for accuracy as per of the CEA Central Electricity Authority (Installation and Operation operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately2006.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Tamil Nadu Electricity Regulatory Commission’s Intra State Open Access Regulations, Tamil Nadu Electricity Distribution Code and Indian Electricity Grid Code / Tamil Nadu Electricity Grid Code in consultation with STU/Distribution Licensee. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise, as may be specified in by the Commission. Meter reading shall be taken as per the procedure devised by the STU/Distribution Licensee; (c) The STU/Distribution Licensee may provide Check Meters of the same specifications as that of Main Meters; (d) The consumer can have a standby meter of the same specification, tested and sealed by the STU/Distribution Licensee; (e) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (gf) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer consumer or his representative.; (hg) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (ih) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or STU/Distribution Licensee to the consumption registered by the meter with lesser error.; (ji) The open access customer consumer shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; and (kj) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check Special Energy meters (ABT compliant energy meters. Defective meters shall ) with appropriate communication facilities to be replaced immediately.connected with SLDC / Distribution Control Centre;

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Commission’s Intra State Open Access Regulations, 2005, Tamil Nadu Electricity Distribution Code, 2004 and Tamil Nadu Grid Code, 2004 in consultation with Distribution Licensee. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee; (c) The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2 (p) of the Central Electricity Authority (Installation and Operation of Meters) Regulations 2006; (d) The Distribution Licensee may provide Check Meters of the same specification as that of Main Meters; (e) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee; (f) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer and Generator or his representative.; (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or meter testing Wing of the Distribution Licensee to the consumption registered by the meter with lesser error.; (j) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective Special Energy meters shall with appropriate communication facilities to be replaced immediatelyconnected with SLDC / Control Centre.

Metering Arrangements. (a1) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Tamil Nadu Electricity Regulatory Commission’s Intra State Open Access Regulations, 2005, Tamil Nadu Electricity Distribution Code, 2004 and Tamil Nadu Grid Code, 2004 in consultation with Distribution Licensee. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (2) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee; (3) The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2 (p) of the Central Electricity Authority (Installation and Operation of Meters) Regulations 2006; (4) The Distribution Licensee may provide Check Meters of the same specification as that of Main Meters; (5) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee; (6) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (g7) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer and Generator or his representative.; (h) 8) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (i9) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or meter testing Wing of the Distribution Licensee to the consumption registered by the meter with lesser error.; (j10) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; (k11) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective Special Energy meters shall with appropriate communication facilities to be replaced immediately.connected with SLDC / Control Centre;

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Tamil Nadu Electricity Regulatory Commission’s Intra State Open Access Regulations, Tamil Nadu Electricity Distribution Code and Indian Electricity Grid Code / Tamil Nadu Electricity Grid Code in consultation with Distribution Licensee. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise, as may be specified in by the Commission. Meter reading shall be taken as per the procedure devised by the STU/Distribution Licensee; (c) The STU/Distribution Licensee may provide Check Meters of the same specifications as that of Main Meters; (d) The CGP holder can have a standby meter of the same specification, tested and sealed by the STU/Distribution Licensee; (e) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (gf) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer CGP holder or his representative.; (hg) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (ih) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or STU/Distribution Licensee to the consumption registered by the meter with lesser error.; (ji) The open access customer CGP holder shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; and (kj) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check Special Energy meters (ABT compliant energy meters. Defective meters shall ) with appropriate communication facilities to be replaced immediatelyconnected with SLDC / Distribution Control Centre.

Metering Arrangements. (a) ABT compliant interface meters shall be installed as specified in the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Transmission Licensee/Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Transmission Licensee/Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation installation, have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations.and (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Transmission Licensee/Distribution Licensee. (c) The STU or Transmission Licensee/Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution STU/ Transmission Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise.Load (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Transmission Licensee/Distribution Licensee in the presence of the open access customer or his representative. (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioning. Provided that, if difference exists between the readings of main and check meters, viz. main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the defective meter shall be immediately replaced and reading of other will be considered. (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee to the consumption registered by the meter with lesser error.Transmission Licensee/Distribution (j) The open access customer shall check the healthiness of metering arrangement by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately. (l) Energy Accounting Meters: if the generator happened to be a open access customer shall provide energy accounting meter as per the provisions of CEA Regulations 2006 in order to ascertain the quantum of energy generated unit wise, Auxiliary consumption and consumption of energy for startup power. The energy meters shall be provided at various locations as agreed between parties to the agreement and approved by the licensee in the drawing.

Metering Arrangements. (a) ABT compliant interface a. The Sugar Mill/ Power Generator shall provide special energy meters shall be installed with facilities to record export and import of energy and as specified per the standards/procedures stipulated in the Central Electricity Authority (Installation and Operation of Meters) RegulationsRegulations 2006 and regulations/directions issued by the Commission there on, 2006in respect of type, ownership, location, accuracy class, installation, operation, testing and maintenance, access, sealing, safety, meter reading and recording, meter failure or discrepancies, anti tampering features, quality assurance, calibration and periodical testing of meters, additional meter and adoption of new technologies. b. The Sugar Mill/ Power Generator shall also adopt the standards and procedures as stipulated in the Commission’s Grid Code and Open Access Regulations in respect of metering. c. The Sugar Mill/ Power Generator may request STU/Distribution Licensee to provide Main Meters. The meters In that case he shall provide security to Distribution Licensee and shall pay for its rent and Main Meter shall be provided maintained by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the STU/Distribution Licensee. (c) d. The STU or STU/Distribution Licensee may provide Check Meters of the same specifications specification as that of the main metersMain Meters. (d) e. The open access customer Sugar Mill/ Power Generator can have a standby stand by meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) f. The Main and Check Meters shall be periodically tested test checked for accuracy once in six months, and shall also be calibrated by the generators/ Licensee as the case once in a year. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties Licensee / STU shall seal Main and Check metersmeters in the presence of the other party. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) g. Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STUDistribution Licensee/Distribution Licensee STU and in the presence of the open access customer generator or his representative. (h) h. Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (i) i. If during the half yearly test check or annual calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the meter testing wing of the STU or Distribution / Licensee to the consumption registered by the meter with lesser error. (j) j. The open access customer Sugar Mill/ Power Generator shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or / exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. Incase of dispute the licensee/Bio-mass power generator can approach the Commission by filing petitions. (kk. The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2(p) The main and check meters shall be tested for accuracy as per of the CEA Central Electricity Authority (Installation and Operation operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately2006.

Metering Arrangements. (ai) The Sugar Mill/ Power Generating Company shall provide ABT compliant interface meters shall be installed static meter with facilities to record export and import of energy and as specified per the standards/ procedures stipulated in the Central Electricity Authority Authority’s (Installation and Operation of and Meters) Regulations, 2006. The meters shall be provided Regulations 2006 and regulations/directions issued by the STU Tamil Nadu Electricity Regulatory Commission from time to time, in respect of type, ownership, location, accuracy class, installation, operation, testing and maintenance, access, sealing, safety, meter reading and recording, meter failure or the Distribution Licensee as the case may bediscrepancies, at the cost anti tampering features, quality assurance, calibration and periodical testing of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licenseemeters, as the case may be and approved by the Commission. The cost of additional meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulationsadoption of new technologies. (bii) The ABT meters Sugar Mill/ Power Generating Company shall be open for inspection by any person authorized by also adopt the standards and procedures as stipulated in the Tamil Nadu Electricity Grid Code and Intra – State Transmission Utility or the State Load Despatch Centre or the Distribution LicenseeOpen Access Regulations, 2005 in respect of metering. (ciii) A Sugar Mill/ Power Generating Company may request STU/Board to provide Main Meters. In that case they shall provide security to Board and shall pay for its rent and Main Meter shall be maintained by STU/Board. (iv) The STU or Distribution Licensee STU/Board may provide Check Meters of the same specifications specification as that of the main meters.Main Meters; (dv) The open access customer Sugar Mill/ Power Generating Company can have a standby stand by meter of the same specification tested and sealed by the STU/Distribution LicenseeBoard. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (fvi) The Main and Check Meters shall be periodically tested test checked for accuracy once in six months, and shall also be calibrated by the generators/ Licensee as the case once in a year. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (gvii) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer Board/ STU and Power Generating Company or his their representative, if present. (hviii) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (iix) If during the half yearly test check or annual calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee meter testing Wing of the STU/ Board to the consumption registered by the meter with lesser error. (jx) The open access customer Sugar Mill/ Power Generating Company shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or imported/ exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. Incase of dispute the Board/Power Generating Company can approach the Tamil Nadu Electricity Regulatory Commission by filing petitions. (kxi) The main term ‘Meter’ shall include Current transformers, voltage/ potential transformers, wiring between them and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediatelymeter box/ panel.

Metering Arrangements. (a) ABT compliant interface meters shall be installed as specified in the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal drawl points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost costs of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer or his representative. (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioning. Provided that, if difference exists between the readings of main and check meters, viz. main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the defective meter shall be immediately replaced and reading of other will be considered. (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee to the consumption registered by the meter with lesser error. (j) The open access customer shall check the healthiness of metering arrangement by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately.

Metering Arrangements. (a) ABT compliant interface meters shall be installed as specified in the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Transmission Licensee/Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Transmission Licensee/Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation installation, have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Transmission Licensee/Distribution Licensee. (c) The STU or Transmission Licensee/Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution STU/ Transmission Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Despatch Centre / Distribution Transmission Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Transmission Licensee/Distribution Licensee in the presence of the open access customer or his representative. (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioning. Provided that, if difference exists between the readings of main and check meters, viz. main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the defective meter shall be immediately replaced and reading of other will be considered. (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Transmission Licensee/Distribution Licensee to the consumption registered by the meter with lesser error. (j) The open access customer shall check the healthiness of metering arrangement by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately. (l) Energy Accounting Meters: if the generator happened to be a open access customer shall provide energy accounting meter as per the provisions of CEA Regulations 2006 in order to ascertain the quantum of energy generated unit wise, Auxiliary consumption and consumption of energy for startup power. The energy meters shall be provided at various locations as agreed between parties to the agreement and approved by the licensee in the drawing.

Metering Arrangements. (a1) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, Commission’s Intra State Open Access Regulations, Tamil Nadu Electricity Distribution Code and Tamil Nadu Grid Code which are in force and in consultation with Distribution Licensee / State Transmission Utility. The periodicity of testing, checking, calibration etc., will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (2) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified in by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee / State Transmission Utility; (3) The State Transmission Utility / Distribution Licensee may provide Check Meters of the same specification as Main Meters; (4) The REG can have a standby meter of the same specification tested and sealed by the State Transmission Utility / Distribution Licensee; (5) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (g6) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer / State Transmission Utility and generator or his representative.; (h7) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (i) 8) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or meter testing Wing of the State Transmission Utility / Distribution Licensee to the consumption registered by the meter with lesser error.; (j9) The open access customer REG shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; (k10) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory Time of Day (XXX) meters with appropriate communication facilities to be connected with SLDC / Control Centre; (11) The REG shall comply with the scheduling provisions as specified in the presence of parties involved. Both parties shall seal main Commission’s regulations, orders and check meters. Defective meters shall be replaced immediatelycodes in force.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Commission’s Grid Connectivity and Intra State Open Access Regulations 2014, Tamil Nadu Electricity Distribution Code, 2004 and the Tamil Nadu Grid Code and in consultation with Distribution Licensee / STU. The periodicity of testing, checking, calibration, etc., shall be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard. Meter shall be installed and connected at the point of interconnection between electrical system of the generating company and Transmission /Distribution system at the cost of SPG. (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified in by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee / STU. (c) The term ‘Meter’ shall mean a ‘Meter’ with ABT Compatibility and digital communication facilities to be connected to the SLDC/Control Centre. (d) The State Transmission Utility / Distribution Licensee may provide Check Meters of the same specification as Main Meters; (e) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee/STU at the cost of SPG. (f) The Main and Check Meters shall be test checked for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by tested using NABL accredited mobile laboratory or at any NABL accredited laboratory in the STU presence of parties involved or the Distribution Licensee as the case may be, their authorized representatives at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be in the presence of other party involvedSPG. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee / STU and in the presence of the open access customer generator or his his/their authorized representative. (h) Check meter readings shall be considered when Main Meters are Meter is found to be defective or stopped functioning. Provided , provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage of error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. Both the meters shall be tested at the cost of SPG. (i) If during the periodical test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period period, if known and agreed upon by both the parties, by applying correction as determined by the meter testing wing of the Distribution Licensee/STU or Distribution Licensee to the consumption registered by the meter with lesser error. The periodical testing of meters shall be done as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. (j) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the Potential Transformer fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. Potential Transformer fuses or due to any other causes, the energy imported or / exported may be arrived at based on the standby meter, if available, or by mutual agreement of as agreed mutually between the parties involvedparties. (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediately.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, Commission’s Intra State Open Access Regulations, 2005, Tamil Nadu Electricity Distribution Code, 2004 and Tamil Nadu Grid Code, 2004 in consultation with Distribution Licensee. The periodicity of testing, checking, calibration etc. will be governed by the Regulations issued by the Central Electricity Authority / Commission in this regard; (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified by the Commission. Meter reading shall be taken as per the procedure devised by the Distribution Licensee; (c) The term ‘Meter’ shall mean a ‘Meter’ as defined in regulation 2 (p) of the Central Electricity Authority (Installation and Operation of Meters) Regulations 2006; (d) The Distribution Licensee may provide Check Meters of the same specification as that of Main Meters; (e) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee; (f) The Main and Check Meters shall be tested for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by tested using NABL accredited mobile laboratory or at any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard.; (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer and Generator or his representative.; (h) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered.; (i) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee to the consumption registered by the meter with lesser error.by (j) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved.; (k) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective Special Energy meters shall with appropriate communication facilities to be replaced immediatelyconnected with SLDC / Control Centre.

Metering Arrangements. (ai) The Power Generating Company shall provide ABT compliance compliant interface meters shall be installed static meter with facilities to record export and import of energy and as specified per export import of energy and as per the standards/ procedures stipulated in the Central Electricity Authority Authority’s (Installation and Operation of and Meters) Regulations, 2006. The meters shall be provided Regulations 2006 and regulations/directions issued by the STU Tamil Nadu Electricity Regulatory Commission from time to time, in respect of type, ownership, location, accuracy class, installation, operation, testing and maintenance, access, sealing, safety, meter reading and recording, meter failure or the Distribution Licensee as the case may bediscrepancies, at the cost anti tampering features, quality assurance, calibration and periodical testing of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licenseemeters, as the case may be and approved by the Commission. The cost of additional meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulationsadoption of new technologies. (bii) The ABT meters Power Generating Company shall be open for inspection by any person authorized by also adopt the standards and procedures as stipulated in the Tamil Nadu Electricity Grid Code and Intro – State Transmission Utility or the State Load Despatch Centre or the Distribution LicenseeOpen Access Regulations, 2005 in respect of metering. (ciii) A Power Generating Company may request STU/Board to provide Main Meters. In that case they shall provide security to Board and shall pay for its rent and Main Meter shall be maintained by STU/Board. (iv) The STU or Distribution Licensee STU/Board may provide Check Meters of the same specifications specification as that of the main meters.Main Meters; (dv) The open access customer Power Generating Company can have a standby stand by meter of the same specification tested and sealed by the STU/Distribution LicenseeBoard. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (fvi) The Main and Check Meters shall be periodically tested test checked for accuracy once in six months, and shall also be calibrated by the generators/ Licensee as the case once in a year. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (gvii) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer Board/ STU and Power Generating Company or his their representative, if present. (hviii) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided Providded that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (iix) If during the half yearly test check or annual calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or Distribution Licensee meter testing Wing of the STU/ Board to the consumption registered by the meter with lesser error. (jx) The open access customer Power Generating Company shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or imported/ exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. Incase of dispute the Board/Power Generating Company can approach the Tamil Nadu Electricity Regulatory Commission by filing petitions. (kxi) The main term ‘Meter’ shall include Current transformers, voltage/ potential transformers, wiring between them and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediatelymeter box/ panel.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006, TNERC Grid Connectivity and Intra State Open Access Regulations 2014, Tamil Nadu Electricity Distribution Code, 2004 and the Tamil Nadu Grid Code, in consultation with Distribution Licensee / STU. The periodicity of testing, checking, calibration, etc., shall be governed by the Regulations issued by the Central Electricity Authority / TNERC in this regard. (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre on real time basis or otherwise as may be specified in by the TNERC. Meter reading shall be taken as per the procedure devised by the Distribution Licensee / STU. (c) The term ‘Meter’ shall mean a ‘Meter’ with ABT Compatibility and digital communication facilities. (d) The State Transmission Utility / Distribution Licensee may provide Check Meters of the same specification as Main Meters; (e) The SPG can have a standby meter of the same specification tested and sealed by the Distribution Licensee/STU. (f) The Main and Check Meters shall be test checked for accuracy as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. The meters shall be provided by the STU tested using NABL accredited mobile laboratory or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended by the STU or the Distribution Licensee, as the case may be and approved by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized by the State Transmission Utility or the State Load Despatch Centre or the Distribution Licensee. (c) The STU or Distribution Licensee may provide Check Meters of the same specifications as that of the main meters. (d) The open access customer can have a standby meter of the same specification tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested and calibrated by the generators/ Licensee as the case may be NABL accredited laboratory in the presence of other party involvedparties involved or their authorized representatives. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (g) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee / STU and in the presence of the open access customer generator or his his/their authorized representative. (h) Check meter readings shall be considered when Main Meters are Meter is found to be defective or stopped functioning. Provided , provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage of error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (i) If during the periodical test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) months or for the exact period period, if known and agreed upon by both the parties, by applying correction as determined by the meter testing wing of the Distribution Licensee/STU or Distribution Licensee to the consumption registered by the meter with lesser error. The periodical testing of meters shall be done as per the Central Electricity Authority (Installation and Operation of Meters) Regulations, 2006. (j) The open access customer SPG shall check the healthiness of metering arrangement meters (due to blowing of the Potential Transformer fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. Potential Transformer fuses or due to any other causes, the energy imported or / exported may be arrived at based on the standby meter, if available, or by mutual agreement of as agreed mutually between the parties involvedparties. (k) The main and check interface meters shall have ABT Compatibility and digital communication facilities to be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check meters. Defective meters shall be replaced immediatelyconnected with SLDC/Control Centre.

Metering Arrangements. (a) ABT compliant interface meters The metering arrangements with facilities to record export and import of energy shall be installed as specified provided in accordance with the Central Electricity Authority (Installation and Operation of Meters) Regulations, 20060000,Xxxxx Xxxx Electricity Regulatory Commission‟s Intra State Open Access Regulations, Tamil Nadu Electricity Distribution Code and Indian Electricity Grid Code / Tamil Nadu Electricity Grid Code in consultation with STU/Distribution Licensee. The meters shall periodicity of testing, checking, calibration etc., will be provided governed by the STU or the Distribution Licensee as the case may be, at the cost of open access customers both at the injection and drawal points. The open access customers can opt for supply and installation of meters as per the standards recommended Regulations issued by the STU Central Electricity Authority / Commission in this regard; (b) Main and Check Meters shall have facility to communicate its reading to State Load Dispatch Centre / Distribution Control Centre on real-time basis or the Distribution Licenseeotherwise, as the case may be and approved specified by the Commission. The cost of meters and installation have to be borne by the open access customers and the readings Meter reading shall be taken by the Licensee as per the CEA regulations. (b) The ABT meters shall be open for inspection by any person authorized procedure devised by the State Transmission Utility or the State Load Despatch Centre or the STU/Distribution Licensee.; (c) The STU or STU/Distribution Licensee may provide Check Meters of the same specifications as that of the main metersMain Meters. (d) The open access customer consumer can have a standby meter of the same specification specification, tested and sealed by the STU/Distribution Licensee. (e) Main and Check Meters shall have facility to communicate its readings to State Load Dispatch Centre / Distribution Control Centre on real time basis or otherwise. (f) The Main and Check Meters shall be periodically tested for accuracy as per the Central Electricity Authority (Installation and calibrated by the generators/ Licensee as the case Operation of Meters)Regulations, 2006. The meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of other party parties involved. Both parties shall seal Main and Check meters. Defective meter shall be replaced immediately. The periodicity of testing, checking, calibration etc. will be governed by the regulations issued by the Central Electricity Authority in this regard. (gf) Reading of Main and Check meters shall be taken periodically at appointed day and hour by authorized officer of the STU/Distribution Licensee in the presence of the open access customer consumer or his representative. (hg) Check meter readings shall be considered when Main Meters are found to be defective or stopped functioningstopped. Provided that, if difference exists between the readings of main and check meters, viz. meter vis-à-vis main meter reading exceeds twice the percentage error applicable to relevant class, both meters shall be tested and the one found defective meter shall be immediately replaced and reading of other will be considered. (ih) If during test or calibration, both the main meter and the check meter are found to have errors beyond permissible limits, the xxxx shall be revised for the previous 3 (Three) Three months or for the exact period if known and agreed upon by both the parties, by applying correction as determined by the STU or STU/Distribution Licensee to the consumption registered by the meter with lesser error. (ji) The open access customer consumer shall check the healthiness of metering arrangement meters (due to blowing of the P.T. fuses or due to any other causes) by superficially checking indicator lamps or by taking readings as frequently as possible. If both the main meter and the check meter fail to record energy either due to the blowing of the P.T. fuses or due to any other causes, the energy imported or exported /exported may be arrived at based on the standby meter, if available, or by mutual agreement of the parties involved. (kj) The main and check meters shall be tested for accuracy as per the CEA (Installation and Operation of meters) Regulations 2006 and amendments thereon. The interface meters may be tested using NABL accredited mobile laboratory or at any accredited laboratory in the presence of parties involved. Both parties shall seal main and check Special Energy meters (ABT compliant energy meters. Defective meters shall ) with appropriate communication facilities to be replaced immediatelyconnected with SLDC / Distribution Control Centre.