Golden Field Solar III, LLC
Solar and battery storage project in Kern County, California. 339 MW of nameplate capacity across 2 generators, operated by Golden Fields Solar III, LLC.
Also known as Golden Field Solar III · EIA plant 63859
This project groups Golden Field Solar III, LLC (EIA 63859). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 339 MWSolar 192.0 · Battery storage 147.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2020First generator online
- Operator
- Golden Fields Solar III, LLCEIA operator ID 63545
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 10 CAISO nodesResource nodes with prices
- Location
- Kern County, CA34.8470, −118.3950
- EIA plant ID
- 63859EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Golden Field Solar III produces
Free · EIA-923Net generation, 2025
521 GWh
520,877 MWh, final
Capacity factor, 2025
32.6%
2024: Not reported
January to July 2026
339 GWh
Provisional
Range, 2021 to 2025
516.1–585.0
GWh a year. Low 2023, high 2022
| 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 | 0 | Not reported | 1 of 12 |
| 2021 | 577,427 | 34.3% | 12 of 12 |
| 2022 | 585,044 | 34.8% | 12 of 12 |
| 2023 | 516,092 | 30.7% | 12 of 12 |
| 2024 | 476,233 | Not reported | 10 of 12 |
| 2025 | 520,877 | 32.6% | 12 of 12 |
| 2026 (provisional, partial year) | 339,365 | 35.9% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
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 |
|---|---|---|---|
| RCBA | Batteries | 147.0 | March 2024 |
| RCTR | Solar Photovoltaic | 192.0 | December 2020 |
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 Golden Fields Solar III, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Golden Field Solar III
How much power does Golden Field Solar III, LLC produce?
Golden Field Solar III, LLC reported 520,877 MWh (521 GWh) of net generation in 2025, a 32.6% capacity factor on 339 MW of nameplate capacity. From January to July 2026 it reported 339 GWh, which is provisional.
Where is Golden Field Solar III, LLC?
Golden Field Solar III, LLC is in Kern County, California, at 34.8470, −118.3950. It is in the California Independent System Operator balancing area (CISO).
Who operates Golden Field Solar III, LLC?
EIA-860M for August 2026 lists Golden Fields Solar III, LLC as the operator (EIA operator ID 63545). The operator is not always the owner.
Is Golden Field Solar III, LLC a solar or a battery storage plant?
Both. Solar capacity totals 192 MW and battery storage capacity totals 147 MW.
When did Golden Field Solar III, LLC start operating?
Its first generator began operating in December 2020, according to EIA-860M.
Does InfraMap have power prices for Golden Field Solar III, LLC?
Yes. InfraMap has CAISO day-ahead and real-time prices at 10 price nodes linked to Golden Field Solar III, LLC, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page