Robert O Schulz Solar Farm
Solar power plant in Stanislaus County, California. 1.6 MW of nameplate capacity across 2 generators, operated by South San Joaquin Irr District.
Also known as EIA plant 57579
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.6 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- May 2008First generator online
- Operator
- South San Joaquin Irr DistrictEIA operator ID 17573
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Stanislaus County, CA37.8583, −120.8917
- EIA plant ID
- 57579EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Robert O Schulz Solar Farm produces
Free · EIA-923Net generation, 2025
3.86 GWh
3,858 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
1.6–3.9
GWh a year. Low 2020, 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 | 3,000 | 26.3% | 12 of 12 |
| 2011 | 2,912 | 25.6% | 12 of 12 |
| 2012 | 3,043 | 26.6% | 12 of 12 |
| 2013 | 3,067 | 26.9% | 12 of 12 |
| 2014 | 2,828 | 24.8% | 12 of 12 |
| 2015 | 2,942 | 25.8% | 12 of 12 |
| 2016 | 2,732 | 23.9% | 12 of 12 |
| 2017 | 2,867 | 25.2% | 12 of 12 |
| 2018 | 2,761 | 24.2% | 12 of 12 |
| 2019 | 2,710 | 23.8% | 12 of 12 |
| 2020 | 1,567 | 13.7% | 12 of 12 |
| 2021 | 2,162 | 19.0% | 12 of 12 |
| 2022 | 2,132 | 18.7% | 12 of 12 |
| 2023 | 1,703 | 15.0% | 12 of 12 |
| 2024 | 2,121 | Not reported | 12 of 12 |
| 2025 | 3,858 | Not reported | 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 |
|---|---|---|---|
| 1 | Solar Photovoltaic | 0.9 | May 2008 |
| 2 | Solar Photovoltaic | 0.7 | May 2009 |
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 South San Joaquin Irr District 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 Robert O Schulz Solar Farm
How much power does Robert O Schulz Solar Farm produce?
Robert O Schulz Solar Farm reported 3,858 MWh (3.86 GWh) of net generation in 2025.
Where is Robert O Schulz Solar Farm?
Robert O Schulz Solar Farm is in Stanislaus County, California, at 37.8583, −120.8917. It is in the California Independent System Operator balancing area (CISO).
Who operates Robert O Schulz Solar Farm?
EIA-860M for August 2026 lists South San Joaquin Irr District as the operator (EIA operator ID 17573). The operator is not always the owner.
When did Robert O Schulz Solar Farm start operating?
Its first generator began operating in May 2008, 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