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HYDROELECTRIC PLANTSPortal
Portal is a 10.8 MW operating hydroelectric plant in Fresno County, California, operated by Southern California Edison Co.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 11 MW |
Plant details
- Operator
- Southern California Edison Co
- Location
- Fresno County, California
- Balancing authority
- CISO
- Sector
- Electric Utility
- Capacity
- Operating: 10.8 MW
- First unit online
- Dec 1956
- EIA plant ID
- 354
Location
37.2570, -119.1589
Nearby power plants
- Big Creek 1Hydroelectric plants · 88.4 MW · 5.7 mi
- Big Creek 2AHydroelectric plants · 110 MW · 9.0 mi
- Big Creek 2Hydroelectric plants · 66.6 MW · 9.0 mi
- J S EastwoodHydroelectric plants · 200 MW · 9.3 mi
- Big Creek 8Hydroelectric plants · 30.0 MW · 9.9 mi
- Mammoth PoolHydroelectric plants · 190 MW · 10.2 mi
- Big Creek 3Hydroelectric plants · 175 MW · 14.6 mi
- Helms Pumped StorageHydroelectric plants · 1,053 MW · 18.9 mi
- San Joaquin 2Hydroelectric plants · 2.8 MW · 19.0 mi
- Big Creek 4Hydroelectric plants · 100 MW · 20.0 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem