Lost Hills/Blackwell
Solar power plant in Kern County, California. 32 MW of nameplate capacity across 2 generators, operated by Southern Power Co.
Also known as EIA plant 58711
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 32 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- April 2015First generator online
- Operator
- Southern Power CoEIA operator ID 17650
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kern County, CA35.6200, −119.8500
- EIA plant ID
- 58711EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lost Hills/Blackwell produces
Free · EIA-923Net generation, 2025
58.9 GWh
58,861 MWh, final
Capacity factor, 2025
21.0%
2024: 28.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2016 to 2025
58.9–92.0
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 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 66,507 | Not reported | 9 of 12 |
| 2016 | 91,984 | 32.7% | 12 of 12 |
| 2017 | 88,996 | 31.7% | 12 of 12 |
| 2018 | 90,251 | 32.2% | 12 of 12 |
| 2019 | 85,405 | 30.5% | 12 of 12 |
| 2020 | 84,354 | 30.0% | 12 of 12 |
| 2021 | 90,472 | 32.3% | 12 of 12 |
| 2022 | 87,394 | 31.2% | 12 of 12 |
| 2023 | 77,113 | 27.5% | 12 of 12 |
| 2024 | 80,598 | 28.7% | 12 of 12 |
| 2025 | 58,861 | 21.0% | 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 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 |
|---|---|---|---|
| BLKW | Solar Photovoltaic | 12.0 | April 2015 |
| LTHL | Solar Photovoltaic | 20.0 | April 2015 |
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 Southern Power Co 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 Lost Hills/Blackwell
More plants operated by Southern Power Co
Questions about Lost Hills/Blackwell
How much power does Lost Hills/Blackwell produce?
Lost Hills/Blackwell reported 58,861 MWh (58.9 GWh) of net generation in 2025, a 21.0% capacity factor on 32 MW of nameplate capacity.
Where is Lost Hills/Blackwell?
Lost Hills/Blackwell is in Kern County, California, at 35.6200, −119.8500. It is in the California Independent System Operator balancing area (CISO).
Who operates Lost Hills/Blackwell?
EIA-860M for August 2026 lists Southern Power Co as the operator (EIA operator ID 17650). The operator is not always the owner.
When did Lost Hills/Blackwell start operating?
Its first generator began operating in April 2015, according to EIA-860M.
Does InfraMap have power prices for Lost Hills/Blackwell?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Lost Hills/Blackwell, 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