Union Valley — Plant Summary
- EIA Plant ID
- 6612
- Capacity
- 38.6 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- El Dorado, CA
- Operating Since
- 1963
- Generators
- 1
- Operator
- Sacramento Municipal Util Dist
- Parent Company
- —
- Annual Generation
- 76,458 MWh
- Capacity Factor
- 22.4%
- Balancing Authority
- Balancing Authority of Northern California
- ISO/RTO
- —
- NERC Region
- WECC
Union Valley
OperatingHydro
Ranked #73 of 247 Hydro plants in CA#354 of 1454 nationally
38.6 MW Hydro operating in El Dorado, CA — Balancing Authority of Northern California
EIAWD
38.6 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1963
Operating Since
Location
Coordinates
38.8643, -120.4443
County
El Dorado, CA
Nearby Plants
- Jones ForkHydro10 MW · 5.6 km
- Robbs PeakHydro25.5 MW · 6.7 km
- JaybirdHydro161.6 MW · 8.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sacramento Municipal Util Dist | — | — |
| Owner(s) | Sacramento Municipal Util Dist | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Union Valley is a hydroelectric power plant located in El Dorado County, California. The plant has a total capacity of 38.6 MW and began operating in 1963. It is owned and operated by the Sacramento Municipal Utility District (SMUD). The plant utilizes a single generator and is fueled by water (WAT) using conventional hydroelectric technology.
In the most recent year of reported data, Union Valley generated 76,458 MWh of electricity, resulting in a capacity factor of 22.4%. The plant operates within the Balancing Authority of Northern California (BANC) and is part of the Western Electricity Coordinating Council (WECC) NERC region. Union Valley is ranked as the 73rd largest power plant in California out of 247, and 358th nationally out of 1464.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Balancing Authority of Northern California
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
333 MWh
Latest Month
76.5K MWh
Annual Generation
22.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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