Power plant · EIA plant code 435
White Rock/Slab Creek
- Operator
- Sacramento Municipal Util Dist
- Location
- El Dorado, CA (county level only)
- Balancing authority
- Balancing Authority of Northern California (BANC)
- Nameplate capacity
- 268.7 MW
- Summer capacity
- 243.7 MW
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 449,060 MWh
- Capacity factor
- 19.0%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Emissions
eGRID2023 (revision 2) reports no carbon dioxide for this plant.
Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| H1 | Conventional Hydroelectric | WAT | 133 MW | 1968 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| H2 | Conventional Hydroelectric | WAT | 133 MW | 1968 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| H3 | Conventional Hydroelectric | WAT | 2.7 MW | 2020 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| H4 | Conventional Hydroelectric | WAT | 0.5 MW | 1983 | Retired in 2025 · As of September 2026 (EIA-860M): retired |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.