Thermalito Diverson Dam
Hydro power plant in Butte County, California. 3.4 MW of nameplate capacity across 1 generator, operated by California Dept. of Water Resources.
Also known as EIA plant 7129
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.4 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 1987First generator online
- Operator
- California Dept. of Water ResourcesEIA operator ID 3255
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Butte County, CA39.5287, −121.5464
- EIA plant ID
- 7129EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Thermalito Diverson Dam produces
Free · EIA-923Net generation, 2025
10.3 GWh
10,312 MWh, final
Capacity factor, 2025
34.6%
2024: 64.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
10.3–20.5
GWh a year. Low 2025, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 20,429 | Not reported | 12 of 12 |
| 2001 | 20,970 | Not reported | 12 of 12 |
| 2002 | 18,917 | Not reported | 12 of 12 |
| 2003 | 23,117 | Not reported | 12 of 12 |
| 2004 | 20,461 | Not reported | 12 of 12 |
| 2005 | 14,171 | Not reported | 12 of 12 |
| 2006 | 8,749 | Not reported | 12 of 12 |
| 2007 | 19,011 | Not reported | 12 of 12 |
| 2008 | 12,990 | Not reported | 12 of 12 |
| 2009 | 22,671 | Not reported | 12 of 12 |
| 2010 | 9,187 | 30.8% | 12 of 12 |
| 2011 | 11,325 | 38.0% | 12 of 12 |
| 2012 | 21,010 | 70.3% | 12 of 12 |
| 2013 | 16,184 | 54.3% | 12 of 12 |
| 2014 | 19,459 | 65.3% | 12 of 12 |
| 2015 | 19,947 | 67.0% | 12 of 12 |
| 2016 | 20,321 | 68.0% | 12 of 12 |
| 2017 | 12,982 | 43.6% | 12 of 12 |
| 2018 | 20,461 | 68.7% | 12 of 12 |
| 2019 | 16,179 | 54.3% | 12 of 12 |
| 2020 | 13,246 | 44.4% | 12 of 12 |
| 2021 | 10,860 | 36.5% | 12 of 12 |
| 2022 | 19,778 | 66.4% | 12 of 12 |
| 2023 | 16,452 | 55.2% | 12 of 12 |
| 2024 | 19,247 | 64.4% | 12 of 12 |
| 2025 | 10,312 | 34.6% | 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 |
|---|---|---|---|
| TD1 | Conventional Hydroelectric | 3.4 | July 1987 |
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 California Dept. of Water Resources as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Thermalito Diverson Dam
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Questions about Thermalito Diverson Dam
How much power does Thermalito Diverson Dam produce?
Thermalito Diverson Dam reported 10,312 MWh (10.3 GWh) of net generation in 2025, a 34.6% capacity factor on 3.4 MW of nameplate capacity.
Where is Thermalito Diverson Dam?
Thermalito Diverson Dam is in Butte County, California, at 39.5287, −121.5464. It is in the California Independent System Operator balancing area (CISO).
Who operates Thermalito Diverson Dam?
EIA-860M for August 2026 lists California Dept. of Water Resources as the operator (EIA operator ID 3255). The operator is not always the owner.
When did Thermalito Diverson Dam start operating?
Its first generator began operating in July 1987, according to EIA-860M.
Does InfraMap have power prices for Thermalito Diverson Dam?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Thermalito Diverson Dam, 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