Nameplate capacity
103 MW
Rank in California
#266
of 1,897 plants
In service since
1948
June 1948
Details
- Primary fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Operator
- Pacific Gas & Electric Co.
- County
- Amador County
- Generating units
- 3
- Share of state capacity
- 0.10%
- Rank among hydro plants in California
- #40 of 244
- EIA plant code
- 239
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 2 | Conventional Hydroelectric | 35 MW | 31 MW | 1948 | Operating |
| 3 | Conventional Hydroelectric | 35 MW | 37 MW | 1948 | Operating |
| 1 | Conventional Hydroelectric | 32 MW | 31 MW | 1948 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in California
| Moccasin | Hydro | 104 MW |
| Pit 4 | Hydro | 103 MW |
| Shiloh III Wind Project LLC | Wind | 103 MW |
| Shiloh IV Wind Project LLC | Wind | 103 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 103 MW solar plant and a 103 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All California power plants · What California actually generates