Silvis

(unnamed mtn road, remote), Ketchikan, AK 99901

Plant Summary Information

Silvis is ranked #30 out of 33 hydroelectric power plants in Alaska in terms of total annual net electricity generation.

Silvis is comprised of 1 generator and generated 2.2 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Silvis
Utility Name	Ketchikan Public Utilities
Location	Ketchikan Gateway Borough, AK
Initial Operation Date	January 1968
Last Update	Dec 2024
Annual Generation	2.8 GWh
Annual Consumption	14.1 k MMBtu
Ranked #9,690 out of 12,539 Power Plants Nationwide
Ranked #1,245 out of 1,332 Water Power Plants Nationwide
Ranked #86 out of 127 Alaska Power Plants
Ranked #30 out of 33 Alaska Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Silvis (6581)
Plant Address	(unnamed mtn road, remote), Ketchikan, AK 99901
Utility	Ketchikan Public Utilities (10210)
Latitude, Longitude	55.3814, -131.51776
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	January 1968
Annual Generation	2.8 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
Balancing Authority	()
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Upper Silvis Lake
Ash Impoundment
Transmission / Distribution Owner	Ketchikan Public Utilities (10210) AK
Grid Voltage	34.50 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	2.1 MW
Nameplate Power Factor	0.84
Summer Capacity	2.1 MW
Winter Capacity	2.1 MW
Minimum Load	0.1 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1968
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H

Owner Name	Address	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
#1235	Great Falls (VT)	Lyndon, VT	3.0 GWh
#1236	Queens Creek	Topton, NC	3.0 GWh
#1237	Domtar Paper Company Rothschild	Rothschild, WI	3.0 GWh
#1238	Ponderosa Bailey Creek	Manton, CA	2.9 GWh
#1239	Taftville	Taftville, CT	2.9 GWh
#1240	East Highline	Holtville, CA	2.9 GWh
#1241	Granite Falls	Granite Falls, MN	2.9 GWh
#1242	Graniteville Enterprise Division	Augusta, GA	2.9 GWh
#1243	French Paper Hydro	Niles, MI	2.9 GWh
#1244	China Mill Hydro	Allenstown, NH	2.8 GWh
#1246	Chateaugay High Falls Hydro	Chateaugay, NY	2.8 GWh
#1247	Thief River Falls	Thief River Falls, MN	2.8 GWh
#1248	EHC West Hopkinton	West Hopkinton, NH	2.7 GWh
#1249	Victory Mills	Victory Mills, NY	2.7 GWh
#1250	Cowiche	Tieton, WA	2.7 GWh
#1251	Luray Hydro Station	Luray, VA	2.6 GWh
#1252	Three Forks Water Power Project	Zenia, CA	2.6 GWh
#1253	West Danville 15	Danville, VT	2.6 GWh
#1254	Danbury Dam	Danbury, WI	2.6 GWh
#1255	Galesville Project	Azalea, OR	2.6 GWh

Below are closest 16 power plants surrounding Silvis.

Plant Name	Plant Location	Annual Generation	Distance
Beaver Falls	Ketchikan, AK	40.3 GWh	1.9 mi
Black Bear Lake	Craig, AK	21.4 GWh	64.2 mi
Centennial	Metlakatla, AK	484.0 MWh	18 mi
Chester Lake	Metlakatla, AK	5.1 GWh	18.3 mi
Craig (AK)	Craig, AK	1.8 GWh	64.3 mi
False Island	Thorne Bay, AK	2.5 GWh	63.8 mi
Hiilangaay Hydro	Hydaburg, AK	4.4 GWh	44.4 mi
Ketchikan	Ketchikan, AK	19.1 GWh	5.2 mi
Klawock Power Generation Station	Klawock, AK	500.0 MWh	62.5 mi
Petersburg	Petersburg, AK	13.0 GWh	113.3 mi
Purple Lake	Metlakatla, AK	12.3 GWh	20.1 mi
South Fork	Klawock, AK	4.8 GWh	55.2 mi
Swan Lake	Ketchikan, AK	75.5 GWh	17.3 mi
Tyee Lake Hydroelectric Facility	Wrangell, AK	126.0 GWh	57.7 mi
Whitman	Ketchikan, AK	8.6 GWh	3.7 mi
Wrangell	Wrangell, AK	518.0 MWh	81.7 mi