Edward C Hyatt
Hydro and pumped storage power plant in Butte County, California. 644.1 MW of nameplate capacity across 6 generators, operated by California Dept. of Water Resources.
Also known as Edward Hyatt Powerplant · EIA plant 437
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 644.1 MWHydro 351.0 · Pumped storage 293.1
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- March 1968First 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, CA39.5430, −121.4922
- EIA plant ID
- 437EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Edward C Hyatt produces
Free · EIA-923Net generation, 2025
1.95 TWh
1,952,819 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
1.20 TWh
Provisional
Range, 2015 to 2025
0.3–2.7
TWh a year. Low 2021, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,196,561 | Not reported | 12 of 12 |
| 2001 | 616,140 | Not reported | 9 of 12 |
| 2002 | 1,094,493 | Not reported | 12 of 12 |
| 2003 | 1,783,845 | Not reported | 12 of 12 |
| 2004 | 1,995,590 | Not reported | 12 of 12 |
| 2005 | 1,829,689 | Not reported | 12 of 12 |
| 2006 | 3,117,827 | Not reported | 12 of 12 |
| 2007 | 1,807,966 | Not reported | 12 of 12 |
| 2008 | 849,677 | Not reported | 12 of 12 |
| 2009 | 1,258,667 | Not reported | 12 of 12 |
| 2010 | 1,377,143 | Not reported | 12 of 12 |
| 2011 | 1,922,503 | Not reported | 12 of 12 |
| 2012 | 1,434,598 | Not reported | 12 of 12 |
| 2013 | 1,489,571 | Not reported | 12 of 12 |
| 2014 | 652,588 | Not reported | 12 of 12 |
| 2015 | 572,227 | Not reported | 12 of 12 |
| 2016 | 1,703,427 | Not reported | 12 of 12 |
| 2017 | 2,375,487 | Not reported | 12 of 12 |
| 2018 | 1,291,387 | Not reported | 12 of 12 |
| 2019 | 2,662,843 | Not reported | 12 of 12 |
| 2020 | 1,174,136 | Not reported | 12 of 12 |
| 2021 | 288,724 | Not reported | 12 of 12 |
| 2022 | 929,250 | Not reported | 12 of 12 |
| 2023 | 1,454,102 | Not reported | 12 of 12 |
| 2024 | 2,352,242 | Not reported | 12 of 12 |
| 2025 | 1,952,819 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 1,196,267 | Not reported | 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 |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 117.0 | March 1968 |
| 2 | Hydroelectric Pumped Storage | 97.7 | November 1968 |
| 3 | Conventional Hydroelectric | 117.0 | June 1968 |
| 4 | Hydroelectric Pumped Storage | 97.7 | December 1968 |
| 5 | Conventional Hydroelectric | 117.0 | August 1968 |
| 6 | Hydroelectric Pumped Storage | 97.7 | February 1969 |
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 Edward C Hyatt
More plants operated by California Dept. of Water Resources
Questions about Edward C Hyatt
How much power does Edward C Hyatt produce?
Edward C Hyatt reported 1,952,819 MWh (1.95 TWh) of net generation in 2025. From January to July 2026 it reported 1.20 TWh, which is provisional.
Where is Edward C Hyatt?
Edward C Hyatt is in Butte County, California, at 39.5430, −121.4922. It is in the California Independent System Operator balancing area (CISO).
Who operates Edward C Hyatt?
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.
Is Edward C Hyatt a hydro or a pumped storage plant?
Both. Hydro capacity totals 351 MW and pumped storage capacity totals 293.1 MW.
When did Edward C Hyatt start operating?
Its first generator began operating in March 1968, according to EIA-860M.
Does InfraMap have power prices for Edward C Hyatt?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Edward C Hyatt, 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