Walnut
Natural gas power plant in Stanislaus County, California. 49.8 MW of nameplate capacity across 2 generators, operated by Turlock Irrigation District.
Also known as Walnut Power Plant · EIA plant 4256
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 49.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- April 1986First generator online
- Operator
- Turlock Irrigation DistrictEIA operator ID 19281
- Grid
- TIDCBalancing authority TIDC
- Price nodes
- None linkedNo verified ISO node
- Location
- Stanislaus County, CA37.4903, −120.9044
- EIA plant ID
- 4256EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Walnut produces
Free · EIA-923Net generation, 2025
−196 MWh
−196 MWh, final
Capacity factor, 2025
-0.0%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
−255.0–429.0
MWh a year. Low 2019, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 14,465 | Not reported | 12 of 12 |
| 2001 | 23,015 | Not reported | 12 of 12 |
| 2002 | 1,375 | Not reported | 12 of 12 |
| 2003 | 1,439 | Not reported | 9 of 12 |
| 2004 | 788 | Not reported | 12 of 12 |
| 2005 | 2,309 | Not reported | 12 of 12 |
| 2006 | 2,151 | Not reported | 12 of 12 |
| 2007 | 309 | Not reported | 12 of 12 |
| 2008 | 859 | Not reported | 12 of 12 |
| 2009 | 637 | Not reported | 12 of 12 |
| 2010 | 13 | 0.0% | 12 of 12 |
| 2011 | 208 | 0.0% | 12 of 12 |
| 2012 | 402 | 0.1% | 12 of 12 |
| 2013 | −110 | -0.0% | 12 of 12 |
| 2014 | 626 | 0.1% | 12 of 12 |
| 2015 | −229 | -0.1% | 12 of 12 |
| 2016 | −162 | -0.0% | 12 of 12 |
| 2017 | 307 | 0.1% | 12 of 12 |
| 2018 | 10 | 0.0% | 12 of 12 |
| 2019 | −255 | -0.1% | 12 of 12 |
| 2020 | −21 | -0.0% | 12 of 12 |
| 2021 | 302 | 0.1% | 12 of 12 |
| 2022 | −76 | -0.0% | 12 of 12 |
| 2023 | −13 | -0.0% | 12 of 12 |
| 2024 | 429 | 0.1% | 12 of 12 |
| 2025 | −196 | -0.0% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | 24.9 | April 1986 |
| 2 | Natural Gas Fired Combustion Turbine | 24.9 | April 1986 |
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 Turlock Irrigation District as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Walnut
More plants operated by Turlock Irrigation District
Questions about Walnut
How much power does Walnut produce?
Walnut reported −196 MWh (−196 MWh) of net generation in 2025.
Where is Walnut?
Walnut is in Stanislaus County, California, at 37.4903, −120.9044. It is in the Turlock Irrigation District balancing area (TIDC).
Who operates Walnut?
EIA-860M for August 2026 lists Turlock Irrigation District as the operator (EIA operator ID 19281). The operator is not always the owner.
When did Walnut start operating?
Its first generator began operating in April 1986, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page