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10 MW Hydro operating in Butte, CA — California Independent System Operator
10 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1963
Operating Since
Coordinates
39.5318, -121.4912
County
Butte, CA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Feather Water and Power Agency | California Department of Water Resources | — |
| Owner(s) | South Feather Water and Power Agency | California Department of Water Resources | — |
| Status | Operating | operating | — |
GEM identifies the owner as California Department of Water Resources
This entity is not yet in the GEM ownership database — chain unavailable.
Kelly Ridge is a hydroelectric power plant located in Butte County, California. The plant is owned and operated by the South Feather Water and Power Agency. Commissioned in 1963, it has a total capacity of 10 MW from a single generator utilizing conventional hydroelectric technology. The plant connects to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Kelly Ridge generated 66,534 MWh of electricity, achieving a capacity factor of 75.9%. The plant is ranked 124th out of 247 power plants in California and 667th out of 1464 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
7.1K MWh
Latest Month
66.5K MWh
Annual Generation
75.9%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $22.9M
Point of Interconnection
Nearest Substation
Hyatt Switchyard · 230 kV
Substation Distance
0.004 km
Operator
California Department of Water Resources
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
KELLYRDG_7_B1
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about Kelly RidgeCalifornia Independent System Operator (CISO)
Grid Voltage
60.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility