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- Storage
- Operating
- 10 · 100 · 1,000 MW
Map
- Storage
- Operating
Thermalito: location and 1 exact-grade project within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Thermalito
Power plant · Pumped hydro storage
Key facts
Power plant · Pumped hydro storageran 32% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1968
- Net generation, 2025
- 322,349 MWh
- Grid
- 230 kV to Pacific Gas & Electric Co (CISO)
- Location
- Butte County, California
- Operated by
- California Dept. of Water ResourcesSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Pumped hydro storage source: “Hydroelectric Pumped Storage”
- Age
- 58 years since 1968
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 281,821 |
| Capacity factor, 2025 | 0.320 |
| Net generation (MWh), 2025 | 322,349 |
| Balancing authority code | CISO |
Timeline
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Ameresco Butte County Postponed | Biomass | 19.7 km | 0.2 |