Nimbus — Plant Summary
- EIA Plant ID
- 444
- Capacity
- 13.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Sacramento, CA
- Operating Since
- 1955
- Generators
- 2
- Operator
- U S Bureau of Reclamation
- Parent Company
- —
- Annual Generation
- 35,545 MWh
- Capacity Factor
- 30.2%
- Balancing Authority
- Balancing Authority of Northern California
- ISO/RTO
- —
- NERC Region
- WECC
Nimbus
OperatingHydro
Ranked #105 of 247 Hydro plants in CA#572 of 1454 nationally
13.4 MW Hydro operating in Sacramento, CA — Balancing Authority of Northern California
EIAWD
13.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1955
Operating Since
Location
Coordinates
38.6373, -121.2202
County
Sacramento, CA
Nearby Plants
- Intel FolsomSolar1 MW · 4.2 km
- Intel Folsom Phase 3Solar5.2 MW · 4.9 km
- Intel Folsom Phase 2Solar1 MW · 4.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | U S Bureau of Reclamation | — | — |
| Owner(s) | U S Bureau of Reclamation | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Nimbus hydroelectric plant is located in Sacramento County, California. The plant has a total capacity of 13.4 MW across two generators and is operated by the U.S. Bureau of Reclamation. It began operating in 1955, utilizing conventional hydroelectric technology and water as its primary fuel source. Nimbus is ranked 105th out of 247 power plants in California and 583rd out of 1464 plants nationally.
In the latest year of reported data, Nimbus generated 35,545 MWh of electricity, achieving a capacity factor of 30.2%. The plant operates within the Balancing Authority of Northern California and is part of the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Balancing Authority of Northern California
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
Generation
4.2K MWh
Latest Month
35.5K MWh
Annual Generation
30.2%
Capacity Factor
Jan 2023 – Dec 2025
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.
News & Articles (10)Beta
General
Marsh expands Nimbus insurance facility
Marsh Risk, a business of Marsh, announced the addition of significant capacity to Nimbus, its large-scale data center construction...
Coverager·1 months ago
General
E&E News: California cuts fish hatchery production, blaming drop in federal help
GREENWIRE | SACRAMENTO, California — California will halve its production of steelhead trout and chinook salmon at a major fish hatchery...
POLITICO Pro·5 months ago
Regulatory·state puc
Newsom vetoes energy bills on virtual power plants, load management and interconnection
Trade and environmental advocacy groups said adopting a virtual power plant deployment plan could have saved Californians $750 million a...
California (regulator)Newsom (regulator)
Utility Dive·5 months ago
Regulatory·state puc
California zeroes out funding for world’s ‘largest virtual power plant’
California lawmakers approved a sweeping energy package at the end of the legislative session that does not include funding to continue two...
California (regulator)
Utility Dive·6 months ago
Last updated 2026-03-26
View all 10 articles