# Kola Energy Center

CAISO Batteries · https://askthegrid.com/assets/facilities/kola-energy-center

Kola Energy Center is a battery energy storage facility with 400 MW of EIA-reported operating capacity in San Joaquin County, California, registered as EIA Plant ID 67680. Kola Energy Storage, LLC owns and operates the plant, a subsidiary of NextEra Energy Resources, LLC. Public project records list 500 battery units. Its grid role is flexible, transmission-connected battery storage supporting local system reliability, renewable-energy integration, and grid flexibility.

## Key facts

- Technology: Batteries
- Power capacity: 400 MW
- Operating status: operating

## Grid and market context

- ISO/RTO: CAISO
- Balancing authority: CISO (CAISO)
- Substation: PG&E Tesla Substation
- Point of interconnection: PG&E Tesla Substation
- Transmission owner: Pacific Gas & Electric Company (PG&E)
- Interconnection voltage: 230 kV

## Source-backed facts

- Identifiers: [{"value":"67680","system":"EIA plant ID"},{"value":"66317","system":"EIA entity ID"},{"value":"KOLA","system":"EIA generator ID"},{"value":"KOLA2","system":"EIA generator ID"},{"value":"CISO","system":"EIA balancing authority"},{"value":"KOLA / Q1275","system":"CAISO interconnection queue"},{"value":"KLA1","system":"CAISO scheduling coordinator ID"},{"value":"PA-2200137","system":"San Joaquin County site approval docket"},{"value":"Tesla 230 kV","system":"CAISO point of interconnection"}] — Source · confidence: high
- Identifiers: [{"value":"67680","system":"EIA plant ID"},{"value":"66317","system":"EIA entity ID"},{"value":"KOLA","system":"EIA generator ID"},{"value":"KOLA2","system":"EIA generator ID"},{"value":"CISO","system":"EIA balancing authority"},{"value":"KOLA / Q1275","system":"CAISO interconnection queue"},{"value":"KLA1","system":"CAISO scheduling coordinator ID"},{"value":"PA-2200137","system":"San Joaquin County site approval docket"},{"value":"Tesla 230 kV","system":"CAISO point of interconnection"}] — Notice of new market participant as of 5/27/25 | California ISO · confidence: high
- Identifiers: [{"value":"67680","system":"EIA plant ID"},{"value":"66317","system":"EIA entity ID"},{"value":"KOLA","system":"EIA generator ID"},{"value":"KOLA2","system":"EIA generator ID"},{"value":"CISO","system":"EIA balancing authority"},{"value":"KOLA / Q1275","system":"CAISO interconnection queue"},{"value":"KLA1","system":"CAISO scheduling coordinator ID"},{"value":"PA-2200137","system":"San Joaquin County site approval docket"},{"value":"Tesla 230 kV","system":"CAISO point of interconnection"}] — Public Queue Report · confidence: high
- Identifiers: [{"value":"67680","system":"EIA plant ID"},{"value":"66317","system":"EIA entity ID"},{"value":"KOLA","system":"EIA generator ID"},{"value":"KOLA2","system":"EIA generator ID"},{"value":"CISO","system":"EIA balancing authority"},{"value":"KOLA / Q1275","system":"CAISO interconnection queue"},{"value":"KLA1","system":"CAISO scheduling coordinator ID"},{"value":"PA-2200137","system":"San Joaquin County site approval docket"},{"value":"Tesla 230 kV","system":"CAISO point of interconnection"}] — Community Development Department · confidence: high
- Description: Kola Energy Center is a 400 MW battery storage plant in San Joaquin County, California. EIA identifies the facility as plant 67680, with operating battery generators KOLA and KOLA2 rated at 275 MW and 125 MW, respectively; both entered operation in August 2025. The project is associated with CAISO queue KOLA/Q1275 and interconnects at PG&E’s Tesla 230 kV substation through a 230 kV gen-tie line. — Source · confidence: high
- Description: Kola Energy Center is a 400 MW battery storage plant in San Joaquin County, California. EIA identifies the facility as plant 67680, with operating battery generators KOLA and KOLA2 rated at 275 MW and 125 MW, respectively; both entered operation in August 2025. The project is associated with CAISO queue KOLA/Q1275 and interconnects at PG&E’s Tesla 230 kV substation through a 230 kV gen-tie line. — Community Development Department · confidence: high
- Description: Kola Energy Center is a 400 MW battery storage plant in San Joaquin County, California. EIA identifies the facility as plant 67680, with operating battery generators KOLA and KOLA2 rated at 275 MW and 125 MW, respectively; both entered operation in August 2025. The project is associated with CAISO queue KOLA/Q1275 and interconnects at PG&E’s Tesla 230 kV substation through a 230 kV gen-tie line. — FPL_NextEra Energy Resources Generation Portfolios_9.30.2025.xlsx · confidence: high
- Canonical name: Kola Energy Center — Source · confidence: high
- Identifiers.0: {"value":"67680","system":"EIA plant ID"} — Source · confidence: high
- Identifiers.1: {"value":"66317","system":"EIA entity ID"} — Source · confidence: high
- Identifiers.2: {"value":"KOLA","system":"EIA generator ID"} — Source · confidence: high
- Identifiers.3: {"value":"KOLA2","system":"EIA generator ID"} — Source · confidence: high
- Identifiers.4: {"value":"CISO","system":"EIA balancing authority"} — Source · confidence: high
- Identifiers.5: {"value":"KOLA / Q1275","system":"CAISO interconnection queue"} — Public Queue Report · confidence: high
- Identifiers.6: {"value":"KLA1","system":"CAISO scheduling coordinator ID"} — Notice of new market participant as of 5/27/25 | California ISO · confidence: high
- Identifiers.7: {"value":"PA-2200137","system":"San Joaquin County site approval docket"} — Community Development Department · confidence: high
- Identifiers.8: {"value":"Tesla 230 kV","system":"CAISO point of interconnection"} — Public Queue Report · confidence: medium
- Parties.0: {"relationship":"Project owner / operating entity / applicant","name":"Kola Energy Storage, LLC","official_url":null} — Source · confidence: medium
- Parties.2: {"relationship":"Developer affiliate","name":"NextEra Energy Resources Development, LLC","official_url":"https://www.nexteraenergyresources.com/"} — Source · confidence: medium
- Parties.3: {"relationship":"Site owner / landowner","name":"Griffith Family Properties","official_url":null} — Source · confidence: medium
- Interconnection: PG&E Tesla Substation (Tesla 230 kV), via a 230 kV gen-tie line — Community Development Department · confidence: high
- Site acres: 106 — Community Development Department · confidence: medium
- Power mw: 400 — Community Development Department · confidence: high
- Construction scope: A 400-MW battery energy storage system comprising 500 free-standing batteries, a collector substation, inverters, collector lines, fencing, access roads, supervisory control and data acquisition equipment, and a 230-kV generation-tie line to PG&E’s Tesla Substation. — Source · confidence: medium
- Battery units: 500 — Community Development Department · confidence: medium
- Kind: bess — Source · confidence: high
- Equipment models: [] — Source · confidence: medium
- Description: Kola Energy Center is a battery-storage facility in San Joaquin County, California, connected to PG&E’s Tesla Substation through a 230 kV generation-tie line. Kola Energy Storage, LLC was identified as a wholly owned indirect subsidiary of NextEra Energy Resources in the project’s 2021 application and remains listed at 100% ownership in NextEra’s December 2025 generation portfolio. The project’s PG&E contract covers 275 MW of lithium-ion storage, while the plant’s total nameplate capacity is 400 MW. The facility was completed in July 2025 and entered commercial operation in 2025 after an interconnection-related schedule delay. — Community Development Department · confidence: medium
- Quality notes: ["No completed acquisition or sale of the project was identified. A November 2025 FERC notice disclosed only a proposed upstream ownership change involving Kola Energy Storage and did not identify a buyer, seller, closing date, or consideration.","The PG&E contract amendment approved in March 2024 increased the project price, but CPUC stated that contract costs were confidential; this price adjustment should not be treated as sale consideration or an acquisition value.","The 2021 proposal contemplated a possible second phase that could have increased the project to 700 MW, but the operating asset and NextEra portfolio support 400 MW. No completed expansion, retirement, or repowering was identified.","Project records anticipated construction in 2024 with completion in approximately 12 months; an EIA-linked operating record reports actual completion on July 31, 2025, while another operating record describes commercial operation in August 2025."] — Combined Notice of Filings #1 · confidence: medium
- Quality notes: ["No completed acquisition or sale of the project was identified. A November 2025 FERC notice disclosed only a proposed upstream ownership change involving Kola Energy Storage and did not identify a buyer, seller, closing date, or consideration.","The PG&E contract amendment approved in March 2024 increased the project price, but CPUC stated that contract costs were confidential; this price adjustment should not be treated as sale consideration or an acquisition value.","The 2021 proposal contemplated a possible second phase that could have increased the project to 700 MW, but the operating asset and NextEra portfolio support 400 MW. No completed expansion, retirement, or repowering was identified.","Project records anticipated construction in 2024 with completion in approximately 12 months; an EIA-linked operating record reports actual completion on July 31, 2025, while another operating record describes commercial operation in August 2025."] — Source · confidence: medium
- Financing summary: No project-financing amount or sale consideration was disclosed. NextEra’s December 31, 2025 generation portfolio lists Kola Energy Storage at 400 MW, 100% ownership, an ITC tax credit, and “DMI/Project Debt” financing. Separately, the March 2024 PG&E contract amendment increased the contract price, but CPUC stated that contract costs were confidential; the contract price is not a project sale value. — FPL_NextEra Energy Resources Generation Portfolios_12.31.2025.xlsx · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Kola Energy Storage, LLC Transmittal · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Source · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Source · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Griffith Energy Storage Project PA-2200137 · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Kola Battery Energy Storage California Endangered Species Act (CESA) Incidental Take Permit No. 2081-2081-042-03 (ITP) · confidence: medium
- Timeline: [{"event":"Initial project application and ownership","date":"2021-09","detail":"Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase."},{"event":"PG&E reliability contract approval","date":"2022-04-21","detail":"The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage."},{"event":"San Joaquin County application deemed complete","date":"2022-08-16","detail":"Site Approval Application PA-2200137 was deemed complete for development of the 400 MW battery-storage facility."},{"event":"Construction and environmental approvals","date":"2024","detail":"Project documents anticipated construction beginning in 2024 and completion in approximately 12 months. The project’s California Endangered Species Act permit was approved on May 3, 2024."},{"event":"PG&E contract amendment","date":"2024-03-21","detail":"CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades."},{"event":"Actual completion","date":"2025-07-31","detail":"An EIA-linked operating record reports an actual completion date of July 31, 2025 for the 275 MW operating unit."},{"event":"Commercial operation","date":"2025-08","detail":"The plant’s operating records identify its two battery generators as entering operation in August 2025; a separate operating record reports commercial operation beginning July 31, 2025."},{"event":"Proposed upstream ownership transaction disclosed","date":"2025-11-25","detail":"A FERC notice stated that Kola Energy Storage, LLC had submitted an informational filing in anticipation of a proposed transaction changing upstream ownership. The notice did not identify a buyer, seller, closing date, or transaction value."}] — Combined Notice of Filings #1 · confidence: medium
- Quality notes.0: No completed acquisition or sale of the project was identified. A November 2025 FERC notice disclosed only a proposed upstream ownership change involving Kola Energy Storage and did not identify a buyer, seller, closing date, or consideration. — Combined Notice of Filings #1 · confidence: medium
- Quality notes.2: The 2021 proposal contemplated a possible second phase that could have increased the project to 700 MW, but the operating asset and NextEra portfolio support 400 MW. No completed expansion, retirement, or repowering was identified. — Source · confidence: medium
- Quality notes.2: The 2021 proposal contemplated a possible second phase that could have increased the project to 700 MW, but the operating asset and NextEra portfolio support 400 MW. No completed expansion, retirement, or repowering was identified. — FPL_NextEra Energy Resources Generation Portfolios_12.31.2025.xlsx · confidence: medium
- Commercial parties.0: {"relationship":"Project owner and operating entity","name":"Kola Energy Storage, LLC","detail":"Applicant for the project, project owner, and operating entity associated with the 400 MW facility.","official_url":null} — Kola Energy Storage, LLC Transmittal · confidence: high
- Commercial parties.1: {"relationship":"Parent company","name":"NextEra Energy Resources, LLC","detail":"Kola Energy Storage, LLC was identified in the 2021 project application as a wholly owned indirect subsidiary of NextEra Energy Resources.","official_url":"https://www.nexteraenergyresources.com/"} — Kola Energy Storage, LLC Transmittal · confidence: high
- Commercial parties.2: {"relationship":"Developer affiliate","name":"NextEra Energy Resources Development, LLC","detail":"Developer affiliate involved in the PG&E contract negotiations; CPUC described Kola as an affiliate of NextEra Energy Resources Development.","official_url":"https://www.nexteraenergyresources.com/"} — Source · confidence: medium
- Commercial parties.4: {"relationship":"Site owner / landowner","name":"Griffith Family Properties","detail":"Property owner identified in San Joaquin County project notices for the site hosting the Kola facility.","official_url":null} — Community Development Department · confidence: high
- Commercial parties.5: {"relationship":"Balancing authority and transmission interconnection market operator","name":"California Independent System Operator","detail":"CAISO queue records identify the KOLA project as a 400 MW battery resource at PG&E’s Tesla 230 kV interconnection point.","official_url":"https://www.caiso.com/"} — Public Queue Report · confidence: high

## Timeline

- 2021-09 — Initial project application and ownership
  Kola Energy Storage, LLC submitted the project application as a wholly owned indirect subsidiary of NextEra Energy Resources. The proposal described a 400 MW first phase and a possible additional 300 MW second phase.
  Source: Kola Energy Storage, LLC Transmittal (https://www.acgov.org/cda/planning/landuseprojects/documents/Era-KOLA-Energy-Battery-Storage/KolaEnergyStorage-ConditionalUsePermitApplication_2021-9-23.pdf)
- 2022-04-21 — PG&E reliability contract approval
  The California Public Utilities Commission approved PG&E’s contract with Kola Energy Storage for 275 MW of lithium-ion battery storage.
  Source: Source (https://docs.cpuc.ca.gov/PublishedDocs/Published/G000/M525/K164/525164262.PDF)
- 2024-03-21 — PG&E contract amendment
  CPUC approved an amendment extending the initial delivery date from June 1, 2024, to June 1, 2025, and allowing a price increase. The delay was attributed in part to transmission-owner delays affecting interconnection upgrades.
  Source: Source (https://docs.cpuc.ca.gov/PublishedDocs/Published/G000/M525/K164/525164262.PDF)

## Sources

- [Source](https://api.eia.gov/v2/electricity/operating-generator-capacity/data/?api_key=DEMO_KEY&facets%5Bplantid%5D%5B%5D=67680&data%5B0%5D=nameplate-capacity-mw&data%5B1%5D=net-summer-capacity-mw&data%5B2%5D=net-winter-capacity-mw&data%5B3%5D=operating-year-month&data%5B4%5D=county&frequency=monthly&sort%5B0%5D%5Bcolumn%5D=period&sort%5B0%5D%5Bdirection%5D=desc&offset=0&length=5000) — api.eia.gov · tier regulatory
- [Notice of new market participant as of 5/27/25 | California ISO](https://www.caiso.com/notices/notice-of-new-market-participant-as-of-5-27-25) — caiso.com · tier other
- [Public Queue Report](https://www.caiso.com/documents/publicqueuereport.xlsx) — caiso.com · tier other
- [Community Development Department](https://www.sjgov.org/commdev/cgi-bin/cdyn.exe/file/APD%20Documents/PA-2200137/Planning%20Commission%20Public%20Hearing%20Notice.pdf) — sjgov.org · tier other
- [FPL_NextEra Energy Resources Generation Portfolios_9.30.2025.xlsx](https://www.investor.nexteraenergy.com/~/media/Files/N/NEE-IR/investor-materials/supplemental-resources/generation-portfolios/2025/Copy%20of%20FPL_NextEra%20Energy%20Resources%20Generation%20Portfolios_9302025.pdf) — investor.nexteraenergy.com · tier other
- [Source](https://www.acgov.org/cda/planning/landuseprojects/documents/Era-KOLA-Energy-Battery-Storage/KolaEnergyStorage-ConditionalUsePermitApplication_2021-9-23.pdf) — acgov.org · tier other
- [Source](https://docs.cpuc.ca.gov/PublishedDocs/Published/G000/M525/K164/525164262.PDF) — docs.cpuc.ca.gov · tier regulatory
- [Community Development Department](https://www.sjgov.org/commdev/cgi-bin/cdyn.exe/file/APD%20Documents/PA-2200137/Board%20of%20Supervisors%20Public%20Hearing%20Notice.pdf) — sjgov.org · tier other
- [Source](https://www.sjgov.org/commdev/cgi-bin/cdyn.exe/file/APD%20Documents/PA-2200137/Griffith%20Energy%20Storage%20Project%20Draft%20EIR%20August%202023.pdf) — sjgov.org · tier other
- [Community Development Department](https://sjgov.org/commdev/cgi-bin/cdyn.exe/file/APD%20Documents/PA-2200137/Planning%20Commission%20Public%20Hearing%20Notice.pdf) — sjgov.org · tier other
- [Combined Notice of Filings #1](https://www.federalregister.gov/documents/2025/11/25/2025-20922/combined-notice-of-filings-1) — federalregister.gov · tier regulatory
- [FPL_NextEra Energy Resources Generation Portfolios_12.31.2025.xlsx](https://www.investor.nexteraenergy.com/~/media/Files/N/NEE-IR/investor-materials/supplemental-resources/generation-portfolios/2025/Copy%20of%20FPL_NextEra%20Energy%20Resources%20Generation%20Portfolios_12312025.pdf) — investor.nexteraenergy.com · tier other
- [Source](https://www.sjgov.org/commdev/cgi-bin/cdyn.exe/file/Planning/PC/Past%20Meetings/Agenda%20Packet/2024/2024-02-15.pdf) — sjgov.org · tier other
- [Griffith Energy Storage Project PA-2200137](https://ceqanet.lci.ca.gov/2022120675) — ceqanet.lci.ca.gov · tier regulatory
- [Kola Battery Energy Storage California Endangered Species Act (CESA) Incidental Take Permit No. 2081-2081-042-03 (ITP)](https://ceqanet.lci.ca.gov/2022120675/6) — ceqanet.lci.ca.gov · tier regulatory

## Data quality

- No completed acquisition or sale of the project was identified. A November 2025 FERC notice disclosed only a proposed upstream ownership change involving Kola Energy Storage and did not identify a buyer, seller, closing date, or consideration. The PG&E contract amendment approved in March 2024 increased the project price, but CPUC stated that contract costs were confidential; this price adjustment should not be treated as sale consideration or an acquisition value. The 2021 proposal contemplated a possible second phase that could have increased the project to 700 MW, but the operating asset and NextEra portfolio support 400 MW. No completed expansion, retirement, or repowering was identified.

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