White Rock/Slab Creek
Hydro power plant in El Dorado County, California. 268.7 MW of nameplate capacity across 3 generators, operated by Sacramento Municipal Util Dist.
Also known as White Rock Powerhouse · EIA plant 435
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 268.7 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- February 1968First generator online
- Operator
- Sacramento Municipal Util DistEIA operator ID 16534
- Grid
- BANCBalancing authority BANC
- Price nodes
- None linkedNo verified ISO node
- Location
- El Dorado County, CA38.7653, −120.7874
- EIA plant ID
- 435EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power White Rock/Slab Creek produces
Free · EIA-923Net generation, 2025
449 GWh
449,060 MWh, final
Capacity factor, 2025
Not reported
2024: 18.9%
January to July 2026
324 GWh
Provisional
Range, 2015 to 2025
143.6–838.7
GWh a year. Low 2015, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 592,124 | Not reported | 12 of 12 |
| 2001 | 167,639 | Not reported | 12 of 12 |
| 2002 | 418,804 | Not reported | 12 of 12 |
| 2003 | 487,308 | Not reported | 12 of 12 |
| 2004 | 352,979 | Not reported | 12 of 12 |
| 2005 | 718,043 | Not reported | 12 of 12 |
| 2006 | 895,829 | Not reported | 12 of 12 |
| 2007 | 300,815 | Not reported | 12 of 12 |
| 2008 | 263,809 | Not reported | 12 of 12 |
| 2009 | 459,634 | Not reported | 12 of 12 |
| 2010 | 617,103 | 26.5% | 12 of 12 |
| 2011 | 928,920 | 39.9% | 12 of 12 |
| 2012 | 428,921 | 18.4% | 12 of 12 |
| 2013 | 293,043 | 12.6% | 12 of 12 |
| 2014 | 216,343 | 9.3% | 12 of 12 |
| 2015 | 143,597 | 6.2% | 12 of 12 |
| 2016 | 645,545 | 27.6% | 12 of 12 |
| 2017 | 681,654 | 29.2% | 12 of 12 |
| 2018 | 389,163 | 16.7% | 12 of 12 |
| 2019 | 780,630 | 33.4% | 12 of 12 |
| 2020 | 182,695 | Not reported | 12 of 12 |
| 2021 | 150,829 | 6.4% | 12 of 12 |
| 2022 | 305,804 | 13.0% | 12 of 12 |
| 2023 | 838,671 | 35.6% | 12 of 12 |
| 2024 | 447,811 | 18.9% | 12 of 12 |
| 2025 | 449,060 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 324,113 | 23.7% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| H1 | Conventional Hydroelectric | 133.0 | June 1968 |
| H2 | Conventional Hydroelectric | 133.0 | February 1968 |
| H3 | Conventional Hydroelectric | 2.7 | December 2020 |
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 Sacramento Municipal Util Dist 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 White Rock/Slab Creek
More plants operated by Sacramento Municipal Util Dist
Questions about White Rock/Slab Creek
How much power does White Rock/Slab Creek produce?
White Rock/Slab Creek reported 449,060 MWh (449 GWh) of net generation in 2025. From January to July 2026 it reported 324 GWh, which is provisional.
Where is White Rock/Slab Creek?
White Rock/Slab Creek is in El Dorado County, California, at 38.7653, −120.7874. It is in the Balancing Authority of Northern California balancing area (BANC).
Who operates White Rock/Slab Creek?
EIA-860M for August 2026 lists Sacramento Municipal Util Dist as the operator (EIA operator ID 16534). The operator is not always the owner.
When did White Rock/Slab Creek start operating?
Its first generator began operating in February 1968, according to EIA-860M.
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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page