Edwards Sanborn S3
Solar and battery storage project in Kern County, California. 70.7 MW of nameplate capacity across 2 generators, operated by Terra-Gen Operating Co-Hybrid.
Also known as EIA plant 64928
This project groups Edwards Sanborn S3 (EIA 64928). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 70.7 MWSolar 37.7 · Battery storage 33.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- March 2022First generator online
- Operator
- Terra-Gen Operating Co-HybridEIA operator ID 64366
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kern County, CA35.0164, −118.1225
- EIA plant ID
- 64928EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Edwards Sanborn S3 produces
Free · EIA-923Net generation, 2025
83.8 GWh
83,773 MWh, final
Capacity factor, 2025
26.7%
2024: 25.5%
January to July 2026
48.9 GWh
Provisional
Range, 2023 to 2025
79.7–83.8
GWh a year. Low 2024, high 2025
| 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 | 62,604 | Not reported | 8 of 12 |
| 2023 | 80,251 | 25.7% | 12 of 12 |
| 2024 | 79,659 | 25.5% | 12 of 12 |
| 2025 | 83,773 | 26.7% | 12 of 12 |
| 2026 (provisional, partial year) | 48,944 | 26.9% | 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 |
|---|---|---|---|
| BESS | Batteries | 33.0 | July 2022 |
| PV | Solar Photovoltaic | 37.7 | March 2022 |
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 Terra-Gen Operating Co-Hybrid 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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Power plants near Edwards Sanborn S3
More plants operated by Terra-Gen Operating Co-Hybrid
Questions about Edwards Sanborn S3
How much power does Edwards Sanborn S3 produce?
Edwards Sanborn S3 reported 83,773 MWh (83.8 GWh) of net generation in 2025, a 26.7% capacity factor on 70.7 MW of nameplate capacity. From January to July 2026 it reported 48.9 GWh, which is provisional.
Where is Edwards Sanborn S3?
Edwards Sanborn S3 is in Kern County, California, at 35.0164, −118.1225. It is in the California Independent System Operator balancing area (CISO).
Who operates Edwards Sanborn S3?
EIA-860M for August 2026 lists Terra-Gen Operating Co-Hybrid as the operator (EIA operator ID 64366). The operator is not always the owner.
Is Edwards Sanborn S3 a solar or a battery storage plant?
Both. Solar capacity totals 37.7 MW and battery storage capacity totals 33 MW.
When did Edwards Sanborn S3 start operating?
Its first generator began operating in March 2022, according to EIA-860M.
Does InfraMap have power prices for Edwards Sanborn S3?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Edwards Sanborn S3, 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