Adelanto Solar II, LLC
Solar power plant in San Bernardino County, California. 7 MW of nameplate capacity across 1 generator, operated by Adelanto Solar II, LLC.
Also known as EIA plant 59440
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 2015First generator online
- Operator
- Adelanto Solar II, LLCEIA operator ID 59212
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- San Bernardino County, CA34.5572, −117.3775
- EIA plant ID
- 59440EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Adelanto Solar II produces
Free · EIA-923Net generation, 2025
18.0 GWh
18,023 MWh, final
Capacity factor, 2025
29.4%
2024: 23.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2016 to 2025
14.4–18.9
GWh a year. Low 2024, 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 | 10,227 | Not reported | 6 of 12 |
| 2016 | 17,202 | 28.0% | 12 of 12 |
| 2017 | 18,563 | 30.3% | 12 of 12 |
| 2018 | 18,853 | 30.7% | 12 of 12 |
| 2019 | 18,283 | 29.8% | 12 of 12 |
| 2020 | 16,405 | 26.7% | 12 of 12 |
| 2021 | 17,315 | 28.2% | 12 of 12 |
| 2022 | 16,560 | 27.0% | 12 of 12 |
| 2023 | 17,018 | 27.8% | 12 of 12 |
| 2024 | 14,433 | 23.5% | 12 of 12 |
| 2025 | 18,023 | 29.4% | 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 |
|---|---|---|---|
| SAS | Solar Photovoltaic | 7.0 | July 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 Adelanto Solar II, 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 Adelanto Solar II
How much power does Adelanto Solar II, LLC produce?
Adelanto Solar II, LLC reported 18,023 MWh (18.0 GWh) of net generation in 2025, a 29.4% capacity factor on 7 MW of nameplate capacity.
Where is Adelanto Solar II, LLC?
Adelanto Solar II, LLC is in San Bernardino County, California, at 34.5572, −117.3775. It is in the California Independent System Operator balancing area (CISO).
Who operates Adelanto Solar II, LLC?
EIA-860M for August 2026 lists Adelanto Solar II, LLC as the operator (EIA operator ID 59212). The operator is not always the owner.
When did Adelanto Solar II, LLC start operating?
Its first generator began operating in July 2015, according to EIA-860M.
Does InfraMap have power prices for Adelanto Solar II, LLC?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Adelanto Solar II, 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