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144 MW Natural Gas operating in Santa Clara, CA — California Independent System Operator
144 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2001
Operating Since
Coordinates
36.9990, -121.5363
County
Santa Clara, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Gilroy Cogen LP | — | — |
| Owner(s) | Gilroy Energy Center LLC | — | — |
| Status | Operating | — | — |
The Gilroy Peaking Energy Center is a 144 MW natural gas-fired power plant located in Santa Clara County, California. The plant began operating in 2001 and consists of three natural gas-fired combustion turbine generators. It is owned and operated by Calpine Gilroy Cogen LP. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, the Gilroy Peaking Energy Center generated 23,334 MWh of electricity, resulting in a capacity factor of 1.8%. The plant is ranked 62nd out of 76 power plants in California and 830th out of 945 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
California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
189 MWh
Latest Month
23.3K MWh
Annual Generation
1.8%
Capacity Factor
CO₂ Intensity
1377 lb/MWh
NOx
0.316 lb/MWh
SO₂
0.003 lb/MWh
CH₄
0.025 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
2.0%
Annual Net Gen
24 GWh
CO₂eq
1378 lb/MWh
Subregion
WECC California
2013
$965/kW
Est. Construction Cost
Total estimated cost: $139.0M
Market Position
ISO/RTO Market
CAISO
LMP Node
GROYPKR1_7_B1
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-14
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