Silvis

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

Plant Summary Information

Silvis is ranked #46 out of 125 power plants in Alaska in terms of total annual net electricity generation.

Silvis is comprised of 1 generator and generated 2.9 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Silvis
Utility Name	Ketchikan Public Utilities
Location	Ketchikan Gateway Borough, AK
Initial Operation Date	January 1968
Last Update	Dec 2025
Annual Generation	14.3 GWh
Annual Consumption	53.2 k MMBtu
Ranked #5,753 out of 13,081 Power Plants Nationwide
Ranked #790 out of 1,311 Water Power Plants Nationwide
Ranked #46 out of 125 Alaska Power Plants
Ranked #18 out of 32 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 2025
Initial Operation Date	January 1968
Annual Generation	14.3 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 2025 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
#780	Copper Dam Plant	Hood River, OR	14.6 GWh
#781	Guernsey	Guernsey, WY	14.6 GWh
#782	Spanish Fork	Spanish Fork, UT	14.5 GWh
#783	Sappi Cloquet Mill	Cloquet, MN	460.5 GWh
#784	Spicer Meadow Project	Murphys, CA	14.4 GWh
#785	Deep Creek	Oakland, MD	14.4 GWh
#786	Russell D Smith	Othello, WA	14.4 GWh
#787	Temescal	Corona, CA	14.4 GWh
#788	James R Smith	Marquette, MI	14.3 GWh
#789	Inks	Buchanan Dam, TX	14.3 GWh
#791	Magic Dam Hydroelectric Project	Shoshone, ID	14.3 GWh
#792	Sacramento Municipal Util Dist	Sacramento, CA	14.2 GWh
#793	Wilbur	Elizabethon, TN	14.2 GWh
#794	Townsend Hydro	New Brighton, PA	14.2 GWh
#795	Bowman	Nevada City, CA	14.2 GWh
#796	Clark Falls	Milton, VT	14.1 GWh
#797	Waterport	Waterport, NY	14.0 GWh
#798	Goat Lake Hydro	Skagway, AK	14.0 GWh
#799	Hastings City Hydroelectric	Hastings, MN	13.9 GWh
#800	Purple Lake	Metlakatla, AK	13.9 GWh

Below are closest 15 power plants surrounding Silvis.

Plant Name	Plant Location	Annual Generation	Distance
Beaver Falls	Ketchikan, AK	48.0 GWh	1.9 mi
Black Bear Lake	Craig, AK	22.8 GWh	64.2 mi
Chester Lake	Metlakatla, AK	5.2 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	22.6 GWh	5.2 mi
Klawock Power Generation Station	Klawock, AK	500.0 MWh	62.5 mi
Petersburg	Petersburg, AK	14.4 GWh	113.3 mi
Purple Lake	Metlakatla, AK	13.9 GWh	20.1 mi
South Fork	Klawock, AK	5.6 GWh	55.2 mi
Swan Lake	Ketchikan, AK	77.6 GWh	17.3 mi
Tyee Lake Hydroelectric Facility	Wrangell, AK	103.4 GWh	57.7 mi
Whitman	Ketchikan, AK	7.3 GWh	3.7 mi
Wrangell	Wrangell, AK	604.0 MWh	81.7 mi