Solar Star California, XLI, LLC
Solar power plant in Kern County, California. 54 MW of nameplate capacity across 1 generator, operated by MN8 Energy LLC.
Also known as EIA plant 60591
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 54 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2016First generator online
- Operator
- MN8 Energy LLCEIA operator ID 61944
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kern County, CA34.8390, −118.3868
- EIA plant ID
- 60591EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Solar Star California, XLI produces
Free · EIA-923Net generation, 2025
147 GWh
147,197 MWh, final
Capacity factor, 2025
31.1%
2024: 31.3%
January to July 2026
83.7 GWh
Provisional
Range, 2017 to 2025
110.5–156.9
GWh a year. Low 2021, high 2018
| 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 | 15,428 | Not reported | 3 of 12 |
| 2017 | 151,680 | 32.1% | 12 of 12 |
| 2018 | 156,857 | 33.2% | 12 of 12 |
| 2019 | 155,729 | 32.9% | 12 of 12 |
| 2020 | 118,517 | 25.0% | 12 of 12 |
| 2021 | 110,491 | 23.4% | 12 of 12 |
| 2022 | 156,485 | 33.1% | 12 of 12 |
| 2023 | 146,803 | 31.0% | 12 of 12 |
| 2024 | 148,254 | 31.3% | 12 of 12 |
| 2025 | 147,197 | 31.1% | 12 of 12 |
| 2026 (provisional, partial year) | 83,667 | 30.5% | 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 |
|---|---|---|---|
| RS1 | Solar Photovoltaic | 54.0 | December 2016 |
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 MN8 Energy 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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Questions about Solar Star California, XLI
How much power does Solar Star California, XLI, LLC produce?
Solar Star California, XLI, LLC reported 147,197 MWh (147 GWh) of net generation in 2025, a 31.1% capacity factor on 54 MW of nameplate capacity. From January to July 2026 it reported 83.7 GWh, which is provisional.
Where is Solar Star California, XLI, LLC?
Solar Star California, XLI, LLC is in Kern County, California, at 34.8390, −118.3868. It is in the California Independent System Operator balancing area (CISO).
Who operates Solar Star California, XLI, LLC?
EIA-860M for August 2026 lists MN8 Energy LLC as the operator (EIA operator ID 61944). The operator is not always the owner.
When did Solar Star California, XLI, LLC start operating?
Its first generator began operating in December 2016, according to EIA-860M.
Does InfraMap have power prices for Solar Star California, XLI, LLC?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Solar Star California, XLI, LLC, 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