Gilroy Power Plant

1400 Pacheco Pass Hwy, Gilroy, CA 95020

Plant Summary Information

Gilroy Power Plant is ranked #130 out of 316 natural gas power plants in California in terms of total annual net electricity generation.

Gilroy Power Plant is comprised of 2 generators and generated 3.2 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Gilroy Power Plant
Utility Name	Calpine Gilroy Cogen LP
Location	Santa Clara County, CA
Initial Operation Date	October 1987
Last Update	Dec 2025
Annual Generation	21.1 GWh
Annual Consumption	207.3 k MMBtu
Ranked #5,290 out of 13,081 Power Plants Nationwide
Ranked #1,363 out of 2,206 Natural Gas Power Plants Nationwide
Ranked #674 out of 1,606 California Power Plants
Ranked #130 out of 316 California Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Gilroy Power Plant (10034)
Plant Address	1400 Pacheco Pass Hwy, Gilroy, CA 95020
Utility	Calpine Gilroy Cogen LP (3028)
Latitude, Longitude	37.0001, -121.5367
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	October 1987
Annual Generation	21.1 GWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	California Independent System Operator (CISO)
NAICS Code	Utilities (22)
Sector	IPP CHP (3)
Water Source	Reclaimed SCWRA water
Ash Impoundment	No
Transmission / Distribution Owner	Pacific Gas & Electric Co (14328) CA
Grid Voltage	115.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	PACIFIC GAS
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	CC1
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	90 MW
Nameplate Power Factor	1
Summer Capacity	72 MW
Winter Capacity	81 MW
Minimum Load	72 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	October 1987
Combined Heat & Power	Yes
Sector Name	IPP CHP (3)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	CC1
Ownership	Single Owner
Duct Burners	No
Nameplate Capacity	40 MW
Nameplate Power Factor	1
Summer Capacity	29 MW
Winter Capacity	29 MW
Minimum Load	20 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	October 1987
Combined Heat & Power	Yes
Sector Name	IPP CHP (3)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

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#1361	Solomon Generating Facility	St. George, UT	21.2 GWh
#1362	Kaiser - Woodland Hills	Woodland Hills, CA	21.2 GWh
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#1365	Anheuser Busch - Fairfield	Fairfield, CA	20.9 GWh
#1366	MCRD Parris Island PV Hybrid	Parris Island, SC	30.8 GWh
#1367	Hibbing	Hibbing, MN	39.8 GWh
#1368	Tracy 210	Tracy, CA	20.6 GWh
#1369	Bronx Zoo	New York, NY	20.6 GWh
#1370	Brookside Newark	Newark, DE	20.5 GWh
#1371	UI RCP New Haven Fuel Cell	New Haven, CT	20.5 GWh
#1372	Frederickson	Tacoma, WA	20.8 GWh
#1373	Hancock	Commerce Twp, MI	20.4 GWh

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