Amazon SAN3 Solar Project
Solar and battery storage project in San Diego County, California. 7 MW of nameplate capacity across 2 generators, operated by Solar Star Prime 4 LLC.
Also known as EIA plant 67170
This project groups Amazon SAN3 Solar Project (EIA 67170). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7 MWSolar 4.6 · Battery storage 2.4
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- May 2024First generator online
- Operator
- Solar Star Prime 4 LLCEIA operator ID 66050
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- San Diego County, CA32.5662, −116.9335
- EIA plant ID
- 67170EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Amazon SAN3 Solar Project produces
Free · EIA-923Net generation, 2025
8.41 GWh
8,414 MWh, final
Capacity factor, 2025
21.4%
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
6.1–8.4
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 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | 6,119 | Not reported | 12 of 12 |
| 2025 | 8,414 | 21.4% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| ASBA | Batteries | 2.4 | May 2024 |
| ASSP | Solar Photovoltaic | 4.6 | May 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 Solar Star Prime 4 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 Amazon SAN3 Solar Project
How much power does Amazon SAN3 Solar Project produce?
Amazon SAN3 Solar Project reported 8,414 MWh (8.41 GWh) of net generation in 2025, a 21.4% capacity factor on 7 MW of nameplate capacity.
Where is Amazon SAN3 Solar Project?
Amazon SAN3 Solar Project is in San Diego County, California, at 32.5662, −116.9335. It is in the California Independent System Operator balancing area (CISO).
Who operates Amazon SAN3 Solar Project?
EIA-860M for August 2026 lists Solar Star Prime 4 LLC as the operator (EIA operator ID 66050). The operator is not always the owner.
Is Amazon SAN3 Solar Project a solar or a battery storage plant?
Both. Solar capacity totals 4.6 MW and battery storage capacity totals 2.4 MW.
When did Amazon SAN3 Solar Project start operating?
Its first generator began operating in May 2024, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page