Lake Herman
Solar power plant in Solano County, California. 5 MW of nameplate capacity across 1 generator, operated by Greenbacker Renewable Energy Corporation.
Also known as Lake Herman Solar · EIA plant 64676
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2021First generator online
- Operator
- Greenbacker Renewable Energy CorporationEIA operator ID 60025
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Solano County, CA38.0971, −122.1417
- EIA plant ID
- 64676EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lake Herman produces
Free · EIA-923Net generation, 2025
7.99 GWh
7,988 MWh, final
Capacity factor, 2025
18.2%
2024: 29.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
8.0–13.1
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 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | 1,193 | Not reported | 2 of 12 |
| 2022 | 8,619 | 19.7% | 12 of 12 |
| 2023 | 13,109 | 29.9% | 12 of 12 |
| 2024 | 13,037 | 29.7% | 12 of 12 |
| 2025 | 7,988 | 18.2% | 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 |
|---|---|---|---|
| 359 | Solar Photovoltaic | 5.0 | November 2021 |
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 Greenbacker Renewable Energy Corporation 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 Lake Herman
More plants operated by Greenbacker Renewable Energy Corporation
Questions about Lake Herman
How much power does Lake Herman produce?
Lake Herman reported 7,988 MWh (7.99 GWh) of net generation in 2025, a 18.2% capacity factor on 5 MW of nameplate capacity.
Where is Lake Herman?
Lake Herman is in Solano County, California, at 38.0971, −122.1417. It is in the California Independent System Operator balancing area (CISO).
Who operates Lake Herman?
EIA-860M for August 2026 lists Greenbacker Renewable Energy Corporation as the operator (EIA operator ID 60025). The operator is not always the owner.
When did Lake Herman start operating?
Its first generator began operating in November 2021, according to EIA-860M.
Does InfraMap have power prices for Lake Herman?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Lake Herman, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page