Central 40
Solar power plant in Stanislaus County, California. 40 MW of nameplate capacity across 1 generator, operated by Central 40, LLC.
Also known as Central 40 Solar Farm · EIA plant 63940
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 40 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- February 2021First generator online
- Operator
- Central 40, LLCEIA operator ID 63606
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Stanislaus County, CA37.2460, −121.1040
- EIA plant ID
- 63940EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Central 40 produces
Free · EIA-923Net generation, 2025
69.5 GWh
69,471 MWh, final
Capacity factor, 2025
19.8%
2024: 19.5%
January to July 2026
44.4 GWh
Provisional
Range, 2022 to 2025
68.5–88.0
GWh a year. Low 2024, 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 | Not reported | Not reported | 0 of 12 |
| 2021 | 94,995 | Not reported | 11 of 12 |
| 2022 | 87,976 | 25.1% | 12 of 12 |
| 2023 | 70,027 | 20.0% | 12 of 12 |
| 2024 | 68,519 | 19.5% | 12 of 12 |
| 2025 | 69,471 | 19.8% | 12 of 12 |
| 2026 (provisional, partial year) | 44,357 | 21.8% | 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 |
|---|---|---|---|
| CEN40 | Solar Photovoltaic | 40.0 | February 2021 |
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 Central 40, 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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Power plants near Central 40
Questions about Central 40
How much power does Central 40 produce?
Central 40 reported 69,471 MWh (69.5 GWh) of net generation in 2025, a 19.8% capacity factor on 40 MW of nameplate capacity. From January to July 2026 it reported 44.4 GWh, which is provisional.
Where is Central 40?
Central 40 is in Stanislaus County, California, at 37.2460, −121.1040. It is in the California Independent System Operator balancing area (CISO).
Who operates Central 40?
EIA-860M for August 2026 lists Central 40, LLC as the operator (EIA operator ID 63606). The operator is not always the owner.
When did Central 40 start operating?
Its first generator began operating in February 2021, according to EIA-860M.
Does InfraMap have power prices for Central 40?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Central 40, 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