Boulder

5701 North Highway 12, Boulder, UT 84716

Plant Summary Information

Boulder is ranked #5 out of 25 hydroelectric power plants in Utah in terms of total annual net electricity generation.

Boulder is comprised of 3 generators and generated 4.1 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Boulder
Utility Name	Garkane Energy Coop, Inc
Location	Garfield County, UT
Initial Operation Date	August 1958
Last Update	Dec 2025
Annual Generation	17.2 GWh
Annual Consumption	63.9 k MMBtu
Ranked #5,530 out of 13,081 Power Plants Nationwide
Ranked #740 out of 1,311 Water Power Plants Nationwide
Ranked #61 out of 120 Utah Power Plants
Ranked #5 out of 25 Utah Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Boulder (3699)
Plant Address	5701 North Highway 12, Boulder, UT 84716
Utility	Garkane Energy Coop, Inc (6957)
Latitude, Longitude	37.9858, -111.4383
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	August 1958
Annual Generation	17.2 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	Western Area Power Administration - Rocky Mountain Region (WACM)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Boulder Creek
Ash Impoundment	No
Transmission / Distribution Owner	Garkane Energy Coop, Inc (6957) UT
Grid Voltage	2.40 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	1.4 MW
Nameplate Power Factor	0.9
Summer Capacity	1.4 MW
Winter Capacity	1.4 MW
Minimum Load	0.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	August 1958
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	1H
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	1.4 MW
Nameplate Power Factor	0.9
Summer Capacity	1.4 MW
Winter Capacity	1.4 MW
Minimum Load	0.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	August 1958
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	1H
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	1.4 MW
Nameplate Power Factor	0.9
Summer Capacity	1.4 MW
Winter Capacity	1.4 MW
Minimum Load	0.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	September 1961
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	1H
Multiple Fuels	No

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
#730	Cadyville	Town ofSchuyler Falls, NY	18.2 GWh
#731	West Point PH	Pioneer, CA	18.1 GWh
#732	Mechanicville Hydroelectric Station	Mechanicville, NY	18.0 GWh
#733	PEC Headworks	Moses Lake, WA	17.7 GWh
#734	Winton	Winton, MN	17.6 GWh
#735	Vallecito Hydroelectric	Bayfield, CO	17.4 GWh
#736	Spaulding 1	Emigrant Gap, CA	17.4 GWh
#737	Cove Hydroelectric	Burney, CA	17.4 GWh
#738	Orono B	Orono, ME	17.2 GWh
#739	City of Peru Hydro-Electric Generating S	Utica, IL	17.2 GWh
#741	South Canal Hydro-1	Montrose, CO	17.1 GWh
#742	Haypress	Sierra City, CA	17.1 GWh
#743	Chace Mill Winooski One	Winooski, VT	17.1 GWh
#744	Shoshone (WY)	Cody, WY	17.1 GWh
#745	Camanche	Clements & Wallace, CA	17.1 GWh
#746	Upper Molina	Molina, CO	17.1 GWh
#747	Spaulding 3	Emigrant Gap, CA	16.9 GWh
#748	Elephant Butte	Truth or Consequences, NM	16.6 GWh
#749	Rapide Croche	Kaukana, WI	16.5 GWh
#750	Black River Hydro Associates	Port Layden, NY	16.5 GWh

Below are closest 20 power plants surrounding Boulder.

Plant Name	Plant Location	Annual Generation	Distance
Blundell	Milford, UT	271.2 GWh	84.3 mi
Buckhorn Solar Plant	Paragonah, UT	5.5 GWh	70.5 mi
Cove Fort	Cove Fort, UT	142.1 GWh	73.6 mi
Glen Canyon Dam	Page, AZ	2.4 TWh	72.5 mi
Granite Peak Solar Plant	Milford, UT	6.1 GWh	89 mi
Greenville Solar Plant	Milford, UT	3.3 GWh	73 mi
Gunnison Solar	Gunnison, UT	3.8 GWh	84 mi
Hornshadow Solar II, LLC	Castle Dale, UT	399.5 GWh	86.3 mi
Hornshadow Solar, LLC	Castle Dale, UT	246.2 GWh	86.3 mi
Hunter	Castle Dale, UT	6.4 TWh	85.1 mi
Hunter Solar LLC (UT)	Clawson, UT	254.4 GWh	82.6 mi
Hydro Plant No 3	east of Ephraim, UT	4.6 GWh	84.5 mi
Manti Lower	Manti, UT	1.1 GWh	88.3 mi
Milford 2	Milford, UT	6.9 GWh	88.8 mi
Milford Flat Solar Plant	Milford, UT	6.4 GWh	87.9 mi
Pavant Solar, LLC	Fillmore, UT	115.2 GWh	83.9 mi
Sigurd Solar LLC	Sigurd, UT	210.4 GWh	67.2 mi
Smithfield 1	Milford, UT	12.8 GWh	89 mi
Upper Beaver	Beaver, UT	8.1 GWh	59.9 mi
Utah Red Hills Renewable Energy Park	Parowan, UT	207.9 GWh	80.2 mi