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- Transmission Line80,968
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Chokepoints
Grid Storage
Thermalito hydroelectric plant
94th-largest grid storage in United States of 101 · top 92% worldwide (#886 of 965)
- Operator
- California Department of Water Resources
- Owner
- California Department of Water Resources
- Status
- operating
- Capacity
- 115 MW
- Technology
- pumped storage (site also has conventional hydro)
- Commissioned
- 1968
- 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
- #92Sacaton Energy Storage hydroelectric plant150 MW
- #93Horse Mesa hydroelectric plant131 MW
- #94Thermalito hydroelectric plant115 MW
- #95Flatiron hydroelectric plant95 MW
- #96Degray hydroelectric plant70 MW
Grid connection · within 50 km
- Nearest substation
- Table Mountain Substation
- Its voltage
- 500 kV
- Distance
- 4.7 km
- Strongest line nearby
- 500 kV
- Substations in range
- 1
Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.
Co-located infrastructure · within 25 km
- Thermalito hydroelectric plant0 m · Power Plant · 115 MW · hydro
- 500 kV line4.5 km · Transmission Line
- Table Mountain Substation4.7 km · Substation / Converter
- Path 664.8 km · Transmission Line
- Edward C. Hyatt hydroelectric plant12 km · Power Plant · 351 MW · hydro
- Edward C. Hyatt Pumped Storage hydroelectric plant12 km · Power Plant · 293 MW · hydro
- Edward C. Hyatt Pumped Storage hydroelectric plant12 km · Grid Storage · 293 MW
- Table Mountain - Vaca Dixon 500KV (Path 15)17 km · Transmission Line
On the interactive map
Watercourse: Feather River
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)