Twin Falls Hydro

49032 Southeast 177th Street, North Bend, WA 98033

Plant Summary Information

Twin Falls Hydro is ranked #44 out of 70 hydroelectric power plants in Washington in terms of total annual net electricity generation.

Twin Falls Hydro is comprised of 2 generators and generated 13.3 GWh during the 3-month period between September 2023 to December 2023.

Plant Name	Twin Falls Hydro
Utility Name	Central Rivers Power US, LLC
Location	King County, WA
Initial Operation Date	December 1989
Last Update	Dec 2023
Annual Generation	50.0 GWh
Annual Consumption	188.1 k MMBtu
Ranked #3,846 out of 11,835 Power Plants Nationwide
Ranked #504 out of 1,371 Water Power Plants Nationwide
Ranked #90 out of 134 Washington Power Plants
Ranked #44 out of 70 Washington Water Power Plants
Fuel Types	Water
Previous Operator	Twin Falls Hydro Associates LP (2013 to 2020) Central Rivers Power US, LLC (2021 to 2023)

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Summary Information
Plant Name	Twin Falls Hydro (50827)
Plant Address	49032 Southeast 177th Street, North Bend, WA 98033
Utility	Central Rivers Power US, LLC (64078)
Latitude, Longitude	47.44455, -121.68781
Generation Dates on File	Jan 2001 to Dec 2023
Initial Operation Date	December 1989
Annual Generation	50.0 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	82-224
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	Puget Sound Energy (PSEI)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Snoqualmie River
Ash Impoundment
Transmission / Distribution Owner	Puget Sound Energy Inc (15500) WA
Grid Voltage	230.00 kV
Energy Storage	No

* Data obtained from the 2023 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Jointly Owned
Nameplate Capacity	12 MW
Nameplate Power Factor	1
Summer Capacity	11.4 MW
Winter Capacity	11 MW
Minimum Load	0.1 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	December 1989
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Jointly Owned
Nameplate Capacity	12 MW
Nameplate Power Factor	1
Summer Capacity	11.4 MW
Winter Capacity	11 MW
Minimum Load	0.1 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	December 1989
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Owner Name	Address	Generator	Ownership
South Fork Resources Inc	5820 E Mercer Way, Mercer Island, WA 98040	Generator UNI1	1.00%
Central Rivers Power US, LLC	One Tower Center Blvd FL 21, East Brunswick, NJ 8816	Generator UNI1	99.00%
South Fork Resources Inc	5820 E Mercer Way, Mercer Island, WA 98040	Generator UNI2	1.00%
Enel North America, Inc.	One Tech Drive, Andover, MA 1810	Generator UNI2	99.00%

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#494	Victoria Dam	Rockland, MI	52.7 GWh
#495	Upper Malad	Hagerman, ID	52.2 GWh
#496	Brookfield Power Glen Falls Hydro	Glen Falls, NY	52.2 GWh
#497	Falls Village	Falls Village, CT	52.1 GWh
#498	Johnson 1	Elwood, NE	52.0 GWh
#499	Mormon Flat	Apache Junction, AZ	52.0 GWh
#500	Peavy Falls	Crystal Falls, MI	51.4 GWh
#501	Smith Falls Hydro Project	Bonners Ferry, ID	50.9 GWh
#502	Chandler	Benton City, WA	50.7 GWh
#503	Jordanelle Dam Hydroelectric Project	Heber, UT	50.0 GWh
#505	Bishop Creek 4	Bishop, CA	49.8 GWh
#506	Highgate Falls	Highgate, VT	49.8 GWh
#507	Essex Junction 19	Essex Junction, VT	49.9 GWh
#508	Little Falls Hydro	Little Falls, NY	49.6 GWh
#509	New York State Dam Hydro	Waterford, NY	49.3 GWh
#510	North Platte	North Platte, NE	48.3 GWh
#511	Keowee	Seneca, SC	48.3 GWh
#512	Milton	Milton, VT	48.3 GWh
#513	Fond Du Lac	Duluth, MN	48.1 GWh
#514	Slide Creek	Idleyld Park, OR	48.1 GWh

Below are closest 20 power plants surrounding Twin Falls Hydro.

Plant Name	Plant Location	Annual Generation	Distance
Black Creek	Snoqualmie, WA	8.6 GWh	7.3 mi
Calligan Creek Hydroelectric Project	Snoqualmie, WA	9.4 GWh	10.8 mi
Cedar Falls (WA)	North Bend, WA	25.2 GWh	4.7 mi
Cedar Hills	Maple Valley, WA	454.0 MWh	16.6 mi
Crystal Mountain	Greenwater, WA	196.0 MWh	35.4 mi
Frederickson	Tacoma, WA	159.6 GWh	40.5 mi
Frederickson Power LP	Tacoma, WA	1.8 TWh	40.3 mi
H M Jackson	Sultan, WA	298.0 GWh	32.6 mi
Hancock Creek Hydroelectric Project	Snoqualmie, WA	16.6 GWh	8.8 mi
LRI LFGTE Facility	Graham, WA	33.6 GWh	43 mi
Sagebrush Power Partners	Ellensburg, WA	255.0 GWh	51.5 mi
Snoqualmie	Snoqualmie, WA	61.9 GWh	9.6 mi
Snoqualmie 2	Snoqualmie, WA	104.4 GWh	10 mi
South Fork Tolt	North Bend, WA	30.1 GWh	18.1 mi
Swauk Wind LLC	Thorp, WA	6.0 GWh	48.6 mi
University of Washington Power Plant	Seattle, WA	6.0 GWh	32.2 mi
Weeks Falls	North Bend, WA	8.8 GWh	2 mi
West Point Treatment Plant	Seattle, WA	7.2 GWh	38.4 mi
WestRock (WA)	Tacoma, WA	196.3 GWh	36.8 mi
Youngs Creek Hydroelectric Project	Monroe, WA	14.9 GWh	24.5 mi