Common use of ESTIMATED COSTS OF INTERCONNECTION FACILITIES Clause in Contracts

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 In-Service Date: 9/16/21 Critical milestones and responsibility as agreed to by the Parties: (1) Application submittal - 11/14/2019 Tesla (2) Application accepted - 11/27/2019 National Grid (3) Construction drawing submittal - 6/26/2020 Tesla (4) Construction drawing review - 8/15/2020 National Grid (5) Construction Start - 5/13/2021 Tesla (6) Construction Finish - 8/5/2021 Tesla (7) Testing plan/document submittal - 8/9/2021 Tesla (8) Witness test - 8/30/2021 Tesla/National Grid (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 In-Service Date: 9/16/21 Critical milestones and responsibility as agreed to by the Parties: (1) Application submittal - 11/14/2019 Tesla (2) Application accepted - 11/27/2019 National Grid (3) Construction drawing submittal - 6/26/2020 Tesla (4) Construction drawing review - – 8/15/2020 National Grid (5) Construction Start - – 5/13/2021 Tesla (6) Construction Finish - – 8/5/2021 Tesla (7) Testing plan/document submittal - – 8/9/2021 Tesla (8) Witness test - – 8/30/2021 Tesla/National Grid (9) Issue Permission to Operate - – 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 In-Service Date: 9/16/21 Critical milestones and responsibility as agreed to by the Parties: (1) Application submittal - 11/14/2019 Tesla (2) Application accepted - 11/27/2019 National Grid (3) Construction drawing submittal - 6/26/2020 Tesla (4) Construction drawing review - – 8/15/2020 National Grid (5) Construction Start - – 5/13/2021 Tesla (6) Construction Finish - – 8/5/2021 Tesla (7) Testing plan/document submittal - – 8/9/2021 Tesla (8) Witness test - – 8/30/2021 Tesla/National Grid (9) Issue Permission to Operate - – 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System.Project (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The NYISO, in consultation with the Connecting Transmission Owner Owner, shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 0 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 NYISO Agreements --> Service Agreements --> SGIA between NMPC and Central Solar LLC In-Service Date: 9/16/21 August 17, 2022 Critical milestones and responsibility as agreed to by the Parties: (1) Application submittal Building Permit - 11/14/2019 TeslaJanuary 6, 2022 (2) Application accepted Construction NTP - 11/27/2019 National GridMay 18, 2022 (3) Construction drawing submittal Main Equipment Delivery - 6/26/2020 TeslaJune 13, 2022 (4) Construction drawing review Meter installation - 8/15/2020 National GridJuly 15, 2022 (5) Construction Start Mechanical Completion - 5/13/2021 TeslaAugust 2, 2022 (6) Construction Finish Energization/utility testing - 8/5/2021 TeslaAugust 17, 2021 (7) Testing plan/document submittal Complete Installation of RTU - 8/9/2021 TeslaApril 1, 2022 (8) Witness test Issue permission to operate - 8/30/2021 Tesla/National GridAugust 22, 2022 (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 November 22, 2022 Responsible Party Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 0 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 In-Service Date: 9/16/21 July 12, 2021 Critical milestones and responsibility as agreed to by the Parties: (2) (3) (4) (1) Application submittal Building Permit - 11/14/2019 TeslaFebruary 19, 2021 Interconnection Customer (5) (2) Application accepted Construction NTP - 11/27/2019 National GridMarch 15, 2021 Interconnection Customer (6) (3) Construction drawing submittal Main Equipment Delivery - 6/26/2020 TeslaMay 26, 2021 Interconnection Customer (7) (4) Construction drawing review - 8/15/2020 National GridConnection in Manhole – June 16, 2021 Interconnection Customer (8) (5) Construction Start - 5/13/2021 TeslaMeter installation – June 18, 2021 Interconnection Customer (9) (6) Construction Finish - 8/5/2021 TeslaMechanical Completion – June 25, 2021 Interconnection Customer (10) (7) Testing planEnergization/document submittal - 8/9/2021 Teslautility testing – July 9, 2021 Connecting Transmission Owner (8) Witness test - 8/30/2021 Tesla/National GridIssue permission to operate – July 12, 2021 Connecting Transmission Owner (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 The October 12, 2021 Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System.Owner (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The NYISO, in consultation with the Connecting Transmission Owner Owner, shall describe Upgrades and provide an itemized best itemizedbest estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall Ownershall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 0 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 NYISO Agreements --> Service Agreements --> SGIA between NMPC and Bayside Solar LLC In-Service Date: 9/16/21 August 16, 2022 Critical milestones and responsibility as agreed to by the Parties: (1) Application submittal Building Permit - 11/14/2019 TeslaJanuary 6, 2022 (2) Application accepted Construction NTP - 11/27/2019 National GridMay 18, 2022 (3) Construction drawing submittal Main Equipment Delivery - 6/26/2020 TeslaJune 13, 2022 (4) Construction drawing review Meter installation - 8/15/2020 National GridJuly 10, 2022 (5) Construction Start Mechanical Completion - 5/13/2021 TeslaAugust 5, 2022 (6) Construction Finish Energization/utility testing - 8/5/2021 TeslaAugust 12, 2022 (7) Testing plan/document submittal Complete Installation of RTU - 8/9/2021 TeslaApril 1, 2022 (8) Witness test Issue permission to operate - 8/30/2021 Tesla/National GridAugust 19, 2022 (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 November 18, 2022 Responsible Party Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 0 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 In-Service Date: 9/16/21 July 12, 2021 Critical milestones and responsibility as agreed to by the Parties:: Milestone/Date Responsible Party (1) Application submittal Building Permit - 11/14/2019 TeslaFebruary 19, 2021 Interconnection Customer (2) Application accepted Construction NTP - 11/27/2019 National GridMarch 15, 2021 Interconnection Customer (3) Construction drawing submittal Main Equipment Delivery - 6/26/2020 TeslaMay 26, 2021 Interconnection Customer (4) Construction drawing review - 8/15/2020 National GridConnection in Manhole – June 16, 2021 Interconnection Customer (5) Construction Start - 5/13/2021 TeslaMeter installation – June 18, 2021 Interconnection Customer (6) Construction Finish - 8/5/2021 TeslaMechanical Completion – June 25, 2021 Interconnection Customer (7) Testing planEnergization/document submittal - 8/9/2021 Teslautility testing – July 9, 2021 Connecting Transmission Owner (8) Witness test - 8/30/2021 Tesla/National GridIssue permission to operate – July 12, 2021 Connecting Transmission Owner (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 October 12, 2021 Connecting Transmission Owner The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. No new facilities are expected to be constructed by the Connecting Transmission Owner. Customer construction document review, site review and witness testing of customer equipment are the only activities required of the Connecting Transmission Owner. This is estimated to be a cost of $10,000 0 to the Interconnection Customer and will be reconciled to the actual costs at project completion. A refund or further invoice will be generated based on the actual costs. SERVICE AGREEMENT NO. 2624 SERVICE AGREEMENT NO. 2624 NYISO Agreements --> Service Agreements --> SGIA between NMPC and Helmet Solar LLC In-Service Date: 9/16/21 May 30, 2022 Critical milestones and responsibility as agreed to by the Parties:: Milestone/Date Responsible Party (1) Application submittal Building Permit - 11/14/2019 TeslaJanuary 6, 2022 (2) Application accepted Construction NTP - 11/27/2019 National GridJanuary 19, 2022 (3) Construction drawing submittal Main Equipment Delivery - 6/26/2020 TeslaFebruary 16, 2022 (4) Construction drawing review Meter installation - 8/15/2020 National GridApril 9, 2022 (5) Construction Start Mechanical Completion - 5/13/2021 TeslaApril 20, 2022 (6) Construction Finish Energization/utility testing - 8/5/2021 TeslaMay 20, 2022 (7) Testing plan/document submittal Complete installation of RTU - 8/9/2021 TeslaApril 1, 2022 (8) Witness test Issue permission to operate - 8/30/2021 Tesla/National GridJune 2, 2022 (9) Issue Permission to Operate - 9/16/2021 National Grid (10) Project closeout/reconciliation: 3/16/2022 National Grid SERVICE AGREEMENT NO. 2624 September 2, 2022 Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Interconnection Customer Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner Connecting Transmission Owner The Connecting Transmission Owner shall also provide requirements that must be met by the Interconnection Customer prior to initiating parallel operation with the New York State Transmission System or the Distribution System. (a) The Interconnection Customer must comply with all applicable NYISO tariffs and procedures, as amended from time to time. (b) To the extent not inconsistent with the terms of this Agreement, the NYISO OATT, or applicable NYISO procedures, Interconnection Customer must comply with Connecting Transmission Owner’s operating instructions and requirements, which requirements shall include the dedicated data circuits, including system protection circuits, to be maintained by Interconnection Customer in accordance with Article 1.5 of this Agreement. Interconnection Customer must also comply with the applicable requirements as set out in the Connecting Transmission Owner’s ESBs, which have been identified and provided to the Interconnection Customer as amended from time to time to the extent not inconsistent with the terms of this Agreement or applicable NYISO tariffs and procedures. Upon the Connecting Transmission Owner’s notice to the Interconnection Customer of amendments to the ESBs, the Interconnection Customer has 30 days to comply with such amendments. SERVICE AGREEMENT NO. 2624 The Connecting Transmission Owner shall describe Upgrades and provide an itemized best estimate of the cost, including overheads, of the Upgrades and annual operation and maintenance expenses associated with such Upgrades. The Connecting Transmission Owner shall functionalize Upgrade costs and annual expenses as either transmission or distribution related.