Alpaugh 50
Solar power plant in Tulare County, California. 50 MW of nameplate capacity across 1 generator, operated by RWE Clean Energy.
Also known as EIA plant 58003
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 50 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2012First generator online
- Operator
- RWE Clean EnergyEIA operator ID 67192
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Tulare County, CA35.8983, −119.4353
- EIA plant ID
- 58003EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Alpaugh 50 produces
Free · EIA-923Net generation, 2025
57.3 GWh
57,324 MWh, final
Capacity factor, 2025
13.1%
2024: 19.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
57.3–133.3
GWh a year. Low 2025, high 2016
| 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 | 0 | Not reported | 1 of 12 |
| 2013 | 126,545 | 28.9% | 12 of 12 |
| 2014 | 133,098 | 30.4% | 12 of 12 |
| 2015 | 132,571 | 30.3% | 12 of 12 |
| 2016 | 133,296 | 30.3% | 12 of 12 |
| 2017 | 128,039 | 29.2% | 12 of 12 |
| 2018 | 121,792 | 27.8% | 12 of 12 |
| 2019 | 108,586 | 24.8% | 12 of 12 |
| 2020 | 130,092 | 29.6% | 12 of 12 |
| 2021 | 112,266 | 25.6% | 12 of 12 |
| 2022 | 114,756 | 26.2% | 12 of 12 |
| 2023 | 71,663 | 16.4% | 12 of 12 |
| 2024 | 84,737 | 19.3% | 12 of 12 |
| 2025 | 57,324 | 13.1% | 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 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 |
|---|---|---|---|
| SPS50 | Solar Photovoltaic | 50.0 | December 2012 |
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.
300 analyst questions a month, plus MCP
Query Alpaugh 50 and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Alpaugh 50
More plants operated by RWE Clean Energy
Questions about Alpaugh 50
How much power does Alpaugh 50 produce?
Alpaugh 50 reported 57,324 MWh (57.3 GWh) of net generation in 2025, a 13.1% capacity factor on 50 MW of nameplate capacity.
Where is Alpaugh 50?
Alpaugh 50 is in Tulare County, California, at 35.8983, −119.4353. It is in the California Independent System Operator balancing area (CISO).
Who operates Alpaugh 50?
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 Alpaugh 50 start operating?
Its first generator began operating in December 2012, according to EIA-860M.
Does InfraMap have power prices for Alpaugh 50?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Alpaugh 50, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page