Great Valley Solar Portfolio Holdings, L
Solar power plant in Fresno County, California. 202.5 MW of nameplate capacity across 4 generators, operated by RWE Clean Energy.
Also known as Great Valley Solar · Great Valley Solar Portfolio Holdings, LLC · EIA plant 59940
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 202.5 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- December 2017First generator online
- Operator
- RWE Clean EnergyEIA operator ID 67192
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 4 CAISO nodesResource nodes with prices
- Location
- Fresno County, CA36.5812, −120.3796
- EIA plant ID
- 59940EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Great Valley Solar Portfolio Holdings, L produces
Free · EIA-923Net generation, 2025
503 GWh
503,173 MWh, final
Capacity factor, 2025
28.4%
2024: 29.5%
January to July 2026
319 GWh
Provisional
Range, 2018 to 2025
503.2–561.4
GWh a year. Low 2025, high 2023
| 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 | 10,333 | Not reported | 1 of 12 |
| 2018 | 532,455 | Not reported | 12 of 12 |
| 2019 | 544,727 | Not reported | 12 of 12 |
| 2020 | 530,525 | 29.8% | 12 of 12 |
| 2021 | 533,607 | 30.1% | 12 of 12 |
| 2022 | 539,808 | 30.4% | 12 of 12 |
| 2023 | 561,409 | 31.6% | 12 of 12 |
| 2024 | 525,602 | 29.5% | 12 of 12 |
| 2025 | 503,173 | 28.4% | 12 of 12 |
| 2026 (provisional, partial year) | 318,858 | 30.9% | 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 |
|---|---|---|---|
| GVS2 | Solar Photovoltaic | 60.0 | December 2017 |
| GVS3 | Solar Photovoltaic | 20.0 | December 2017 |
| GVS4 | Solar Photovoltaic | 20.0 | December 2017 |
| TQ8 | Solar Photovoltaic | 102.5 | April 2018 |
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 RWE Clean Energy 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 Great Valley Solar Portfolio Holdings, L
How much power does Great Valley Solar Portfolio Holdings, L produce?
Great Valley Solar Portfolio Holdings, L reported 503,173 MWh (503 GWh) of net generation in 2025, a 28.4% capacity factor on 202.5 MW of nameplate capacity. From January to July 2026 it reported 319 GWh, which is provisional.
Where is Great Valley Solar Portfolio Holdings, L?
Great Valley Solar Portfolio Holdings, L is in Fresno County, California, at 36.5812, −120.3796. It is in the California Independent System Operator balancing area (CISO).
Who operates Great Valley Solar Portfolio Holdings, L?
EIA-860M for August 2026 lists RWE Clean Energy as the operator (EIA operator ID 67192). The operator is not always the owner.
When did Great Valley Solar Portfolio Holdings, L start operating?
Its first generator began operating in December 2017, according to EIA-860M.
Does InfraMap have power prices for Great Valley Solar Portfolio Holdings, L?
Yes. InfraMap has CAISO day-ahead and real-time prices at 4 price nodes linked to Great Valley Solar Portfolio Holdings, L, 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)
- Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page