Lead BESS 1
Battery storage project in Kings County, California. 99.4 MW of nameplate capacity across 1 generator, operated by Hanford BESS LLC.
Also known as EIA plant 66660
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 99.4 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2025First generator online
- Operator
- Hanford BESS LLCEIA operator ID 65680
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kings County, CA36.2695, −119.6487
- EIA plant ID
- 66660EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lead BESS 1 produces
Free · EIA-923Net generation, 2025
−760 MWh
−760 MWh, final. 5 of 12 months reported
Battery discharge, 2025
10.1 GWh
Charge 10.9 GWh
January to July 2026
−3.46 GWh
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 | Not reported | Not reported | 0 of 12 |
| 2025 | −760 | Not reported | 5 of 12 |
| 2026 (provisional, partial year) | −3,461 | 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 |
|---|---|---|---|
| HAN | Batteries | 99.4 | August 2025 |
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 Hanford BESS LLC 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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Power plants near Lead BESS 1
More plants operated by Hanford BESS LLC
Questions about Lead BESS 1
How much power does Lead BESS 1 produce?
Lead BESS 1 reported −760 MWh (−760 MWh) of net generation in 2025. From January to July 2026 it reported −3.46 GWh, which is provisional. 5 of 12 months were reported for 2025.
Where is Lead BESS 1?
Lead BESS 1 is in Kings County, California, at 36.2695, −119.6487. It is in the California Independent System Operator balancing area (CISO).
Who operates Lead BESS 1?
EIA-860M for August 2026 lists Hanford BESS LLC as the operator (EIA operator ID 65680). The operator is not always the owner.
When did Lead BESS 1 start operating?
Its first generator began operating in August 2025, according to EIA-860M.
Does InfraMap have power prices for Lead BESS 1?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Lead BESS 1, 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