West Ford Flat
Battery storage project in Lake County, California. 25 MW of nameplate capacity across 1 generator, operated by West Ford Flat Energy Storage.
Also known as EIA plant 66669
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 25 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 2024First generator online
- Operator
- West Ford Flat Energy StorageEIA operator ID 65675
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Lake County, CA38.7881, −122.7218
- EIA plant ID
- 66669EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Ford Flat produces
Free · EIA-923Net generation, 2025
−4.20 GWh
−4,200 MWh, final
Battery discharge, 2025
25.7 GWh
Charge 29.9 GWh
January to July 2026
−923 MWh
Provisional
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −1,248 | Not reported | 5 of 12 |
| 2025 | −4,200 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | −923 | Not reported | 7 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| WFF1 | Batteries | 25.0 | July 2024 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists West Ford Flat Energy Storage as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about West Ford Flat
How much power does West Ford Flat produce?
West Ford Flat reported −4,200 MWh (−4.20 GWh) of net generation in 2025. From January to July 2026 it reported −923 MWh, which is provisional.
Where is West Ford Flat?
West Ford Flat is in Lake County, California, at 38.7881, −122.7218. It is in the California Independent System Operator balancing area (CISO).
Who operates West Ford Flat?
EIA-860M for August 2026 lists West Ford Flat Energy Storage as the operator (EIA operator ID 65675). The operator is not always the owner.
When did West Ford Flat start operating?
Its first generator began operating in July 2024, according to EIA-860M.
Does InfraMap have power prices for West Ford Flat?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to West Ford Flat, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page