Common use of Inaccuracy of Meters Clause in Contracts

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested meter.

Inaccuracy of Meters. a) In case the difference between the energy recorded in readings of the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in reading of the main meter shall be taken as final. b) However. If however, if the variation exceeds ±0.5±0.5 %, the final value shall be arrived at as per the procedure, laid down as below. Whenever difference between the readings of the Main meter and the Check meter for any month is more than 0.5%, the following steps shall be takentaken Checking of CT and VT connections: i. Both interface meters (Main as well Checka) and metering system shall be tested and checked. ii. Re-Calibration of both interface meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step (a) above. iii. b) On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5± 0.5 % or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – : i) On the basis energy recorded in of the readings of the check meter if installed and functioned accurately; or – or ii) By correcting the error, error if the percentage of error is ascertainable from of calibration, tests or mathematical calculation; or iv. iii) By estimating the volume of energy delivered based on the meter reading on the upstream of the network i.e. energy reading of meters installed on LT side of the power transformers or HT side of the transformer. c) The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – ): i) To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month.; v. d) If the difference exists even after such checking or testing, then the defective meter(s) meter shall be replaced with a tested correct meter. vi. e) In case of conspicuous failures like burning of meter and erratic display ofmetered of metered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested correct meter. vii. f) In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested correct meter.

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested metermeter by the SPG and bear all the cost of meters and meter replacement.

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibrationfromcalibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested metermeter by the SPG and bear all the cost of meters and meter replacement.

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered of metered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested meter.

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibrationfromcalibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested meter.

Inaccuracy of Meters. a) In case the difference between the energy recorded in the main meter and the check meter for any calendar month is within 0.5%, the energy recorded in the main meter shall be taken as final. b) However, if the variation exceeds ±0.5%, following steps shall be taken: i. Both interface meters (Main as well Check) and metering system shall be tested and checked. ii. Re-Calibration of both meters at site with reference standard meter of accuracy class higher than the meter under test, if no issues found in step step (a) above. iii. On carrying out the re-calibration of the main meter, if it is discovered that either the percentage of inaccuracy exceeds ±0.5% or that the main meter is not working, the following procedure in order of priority, whichever is feasible, for arriving at the computation of quantity of energy during the period between the last calibration and the present, shall be followed: – On the basis energy recorded in the check meter if installed and functioned accurately; or – By correcting the error, if the percentage of error is ascertainable from calibration, tests or mathematical calculation iv. The correction to the quantity of energy injected shall apply to the following periods (hereinafter referred to as the “Correction Period”): – To any period of time during which the main meter was known to be malfunctioning or to which the parties mutually agree; – If the period during which the main meter was malfunctioning is not known or is not agreed to between the parties, the correction shall be applicable for a period equal to half the time elapsed since the date of the preceding calibration test, provided that under no circumstance shall the Correction Period exceed one month. v. If the difference exists even after such checking or testing, then the defective meter(s) shall be replaced with a tested meter. vi. In case of conspicuous failures like burning of meter and erratic display ofmetered of metered parameters and when the error found in testing of meter is beyond the permissible limit of error provided in the relevant standard, the meter shall be immediately replaced with a tested meter. vii. In case where both the Main meter and Check meter fail, energy recorded in the Standby meter shall be considered as final and at least one of the meters shall be immediately replaced by a tested meter.