South Forks Hydro

3431 A. North 3800 East, Hansen, ID 83334

Plant Summary Information

South Forks Hydro is ranked #38 out of 74 hydroelectric power plants in Idaho in terms of total annual net electricity generation.

South Forks Hydro is comprised of 2 generators and generated 10.1 GWh during the 3-month period between July 2025 to October 2025.

Plant Name	South Forks Hydro
Utility Name	South Forks Joint Venture
Location	Twin Falls County, ID
Initial Operation Date	December 1984
Last Update	Oct 2025
Annual Generation	26.3 GWh
Annual Consumption	97.1 k MMBtu
Ranked #5,028 out of 13,081 Power Plants Nationwide
Ranked #632 out of 1,311 Water Power Plants Nationwide
Ranked #94 out of 142 Idaho Power Plants
Ranked #38 out of 74 Idaho Water Power Plants
Fuel Types	Water

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for South Forks Hydro.

Summary Information
Plant Name	South Forks Hydro (10296)
Plant Address	3431 A. North 3800 East, Hansen, ID 83334
Utility	South Forks Joint Venture (17627)
Latitude, Longitude	42.4937, -114.3102
Generation Dates on File	Jan 2001 to Oct 2025
Initial Operation Date	December 1984
Annual Generation	26.3 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	Yes
FERC Small Power Producer Docket Number	80-8-001; 84-211-000
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	Idaho Power Company (IPCO)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Murtagh Lake
Ash Impoundment
Transmission / Distribution Owner	Idaho Power Co (9191) ID
Grid Voltage	12.46 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	4 MW
Nameplate Power Factor	0.95
Summer Capacity	4 MW
Winter Capacity	4 MW
Minimum Load	0.8 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1984
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
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	4 MW
Nameplate Power Factor	0.95
Summer Capacity	4 MW
Winter Capacity	4 MW
Minimum Load	0.8 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1984
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
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
#622	Sly Creek	Forbestown, CA	27.2 GWh
#623	Lyons Falls Hydroelectric	Lyons Falls, NY	27.1 GWh
#624	Little Falls (MN)	Little Falls, MN	27.0 GWh
#625	Rio Bravo Hydro Project	Bakersfield, CA	27.0 GWh
#626	McSwain	Snelling, CA	26.9 GWh
#627	Bulls Bridge	New Milford, CT	26.9 GWh
#628	Drop 2 (CA)	Holtville, CA	26.7 GWh
#629	Kansas River Project	Lawrence, KS	26.7 GWh
#630	McClure Dam	Marquette, MI	26.5 GWh
#631	Deerfield 3	Buckland, MA	26.5 GWh
#633	Wailuku River Hydroelectric	Hilo, HI	26.3 GWh
#634	Portal	Lakeshore, CA	26.2 GWh
#635	Stevens Point	Stevens Point, WI	25.9 GWh
#636	PHP 2	Sandy, OR	25.8 GWh
#637	Kingsford	Kingsford, MI	25.7 GWh
#638	Falls Village	Falls Village, CT	25.7 GWh
#639	Inghams	Little Falls, NY	25.6 GWh
#640	Alcona	Glennie, MI	25.5 GWh
#641	Chili Bar	Placerville, CA	25.2 GWh
#642	Peterson	Milton, VT	25.1 GWh

Below are closest 20 power plants surrounding South Forks Hydro.

Plant Name	Plant Location	Annual Generation	Distance
Amalgamated Sugar Twin Falls	Twin Falls, ID	28.5 GWh	6.8 mi
Burley Butte Windpark	Burley, ID	56.0 GWh	19.5 mi
Bypass	Hazelton, ID	28.2 GWh	13.7 mi
Clif Bar Bakery of Twin Falls	Twin Falls, ID	2.6 GWh	6.1 mi
Crystal Springs	Filer, ID	8.5 GWh	13.2 mi
Golden Valley Wind Park LLC	Burley, ID	27.9 GWh	20 mi
Hazelton B Hydro	Hazelton, ID	23.3 GWh	13.5 mi
Head of U Canal Hydro Project	Jerome, ID	4.6 GWh	19.1 mi
Little Mac Project	Buhl, ID	4.3 GWh	20.2 mi
Low Line Rapids	Kimberly, ID	8.3 GWh	3.7 mi
Marco Ranch	Jerome, ID	2.5 GWh	16 mi
Mile 28 Water Power Project	Eden, ID	5.3 GWh	18.6 mi
Milner Butte LFGE	Burley, ID	26.7 GWh	15.7 mi
Milner Dam Wind Park LLC	Burley, ID	50.5 GWh	15.1 mi
Milner Hydro	Murtaugh, ID	33.7 GWh	14.1 mi
Rock Creek I	Twin Falls, ID	86.0 MWh	15.1 mi
S E Hazelton A	Hazelton, ID	24.9 GWh	13.9 mi
Shoshone Falls	Twin Falls, ID	51.9 GWh	8.6 mi
Twin Falls (ID)	Kimberly, ID	43.5 GWh	7 mi
Wilson Lake Hydroelectric Project	Eden, ID	27.3 GWh	11.6 mi