Stony Gorge

County Road 306, Elk Creek, CA 95939

Plant Summary Information

Stony Gorge is ranked #161 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.

Stony Gorge is comprised of 2 generators and generated 1.8 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Stony Gorge
Utility Name	City of Santa Clara - (CA)
Location	Glenn County, CA
Initial Operation Date	April 1986
Last Update	Dec 2025
Annual Generation	8.9 GWh
Annual Consumption	36.9 k MMBtu
Ranked #6,651 out of 13,301 Power Plants Nationwide
Ranked #937 out of 1,316 Water Power Plants Nationwide
Ranked #886 out of 1,641 California Power Plants
Ranked #161 out of 207 California Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Stony Gorge (7151)
Plant Address	County Road 306, Elk Creek, CA 95939
Utility	City of Santa Clara - (CA) (16655)
Latitude, Longitude	39.58686, -122.53325
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	April 1986
Annual Generation	8.9 GWh
Fuel Types	Water

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	Regulated
NERC Region	WECC
Balancing Authority	California Independent System Operator (CISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Stony Gorge Reservoir
Ash Impoundment	No
Transmission / Distribution Owner	City of Santa Clara - (CA) (16655) CA
Grid Voltage	60.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	POD_ELKCRK_6_STONYG-APNDPOD_ELKCRK_6_STONYG-APND
RTO ISO Location Designation For Reporting Wholesale Sales Data	POD_ELKCRK_6_STONYG-APND
Nameplate Capacity	2.5 MW
Nameplate Power Factor	0.9
Summer Capacity	2.5 MW
Winter Capacity	2.5 MW
Minimum Load	0.3 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 1986
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	POD_ELKCRK_6_STONYG-APND
RTO ISO Location Designation For Reporting Wholesale Sales Data	POD_ELKCRK_6_STONYG-APND
Nameplate Capacity	2.5 MW
Nameplate Power Factor	0.9
Summer Capacity	2.5 MW
Winter Capacity	2.5 MW
Minimum Load	0.3 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 1986
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M

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

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#927	Saxon Falls	Saxon, WI	9.1 GWh
#928	Mine Falls Generating Station	Nashua, NH	9.1 GWh
#929	Drop 1	Holtville, CA	9.0 GWh
#930	Towaoc	Cortez, CO	9.0 GWh
#931	Black Butte	Orland, CA	9.0 GWh
#932	Flint Creek Hydroelectric LLC	Philipsburg, MT	9.0 GWh
#933	Drop 5 (CO)	Montrose, CO	8.9 GWh
#934	Bishop Creek 6	Bishop, CA	8.9 GWh
#935	Knife Falls	Cloquet, MN	8.9 GWh
#936	Upper Dawson	La Grange, CA	8.9 GWh
#938	Mosinee Mill	Mosinee, WI	87.2 GWh
#939	Hamilton Hydro	HAMILTON, OH	8.8 GWh
#940	Strawberry Creek	Bedford, WY	8.8 GWh
#941	Meyers Falls	Kettle Falls, WA	8.7 GWh
#942	Black Creek	Snoqualmie, WA	8.7 GWh
#943	Falcon Dam & Power	Falcon Heights, TX	8.7 GWh
#944	Quail Creek Hydro Plant #1	Hurricane, UT	8.7 GWh
#945	Mink Creek Hydro	Preston, ID	8.7 GWh
#946	Echo Dam	Echo, UT	8.6 GWh
#947	Franklin (NY)	Franklin, NY	8.6 GWh

Below are closest 20 power plants surrounding Stony Gorge.

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2127 Harris Solar Project	Live Oak, CA	885.0 MWh	50.4 mi
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Adapture CA2, LLC	Orland, CA	3.2 GWh	20.5 mi
Ameresco Butte County	Paradise, CA	14.7 GWh	43.2 mi
Black Butte	Orland, CA	9.0 GWh	19 mi
Butte College Main Campus Solar	Oroville, CA	6.6 GWh	47.5 mi
CFF Rice Mill Solar Plant	Arbuckle, CA	145.0 MWh	45.2 mi
Colusa Generating Station	Maxwell, CA	2.0 TWh	20.7 mi
Enloe Medical - Chico	Chico, CA	14.5 GWh	37.9 mi
Forks of Butte Hydro Project	Magalia, CA	58.2 GWh	51.7 mi
Foundation Wal-Mart Red Bluff	Red Bluff, CA	1.5 GWh	40.4 mi
Gridley Main	Gridley, CA	1.4 GWh	47.6 mi
Gridley Main Two	Gridley, CA	3.6 GWh	47.8 mi
Indian Valley Dam Hydro Project	Clearlake Oaks, CA	11.2 GWh	35.1 mi
Lake Mendocino	Ukiah, CA	12.3 GWh	44 mi
Red Bluff	Red Bluff, CA	3.4 GWh	42.5 mi
Sierra Nevada Brewing Co Hybrid	Chico, CA	10.7 GWh	39.4 mi
Sierra Pacific Industries (2042-RD)	Red Bluff, CA	16.7 GWh	41.1 mi
Thermalito	Oroville, CA	318.3 GWh	48.4 mi
Wadham Energy	Williams, CA	144.5 GWh	40.2 mi