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Chokepoints
Grid Storage
J. S. Eastwood hydroelectric plant
87th-largest grid storage in United States of 101 · top 86% worldwide (#828 of 965)
- Operator
- Southern California Edison
- Owner
- Southern California Edison (SCE)
- Status
- operating
- Capacity
- 200 MW
- Technology
- pumped storage
- Commissioned
- 1987
- Also listed as
- A power plant — this site generates as well as stores
Comparable grid storages · United States · 101 ranked
- #1Red Lake Pumped hydroelectric plant3.0 GW
- #85Corral Summit Pumped hydroelectric plant200 MW
- #86Delaney Pumped Storage hydroelectric plant200 MW
- #87J. S. Eastwood hydroelectric plant200 MW
- #88Mount Elbert hydroelectric plant200 MW
- #89Ruby Hill hydroelectric plant200 MW
Co-located infrastructure · within 25 km
- J. S. Eastwood hydroelectric plant0 m · Power Plant · 200 MW · hydro
- Big Creek 2A hydroelectric plant7.3 km · Power Plant · 110 MW · hydro
- Mammoth Pool hydroelectric plant11 km · Power Plant · 190 MW · hydro
On the interactive map
Watercourse: San Joaquin River
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)