2.1 MW Hydro operating in Ketchikan Gateway, AK
2.1 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1968
Operating Since
Coordinates
55.3814, -131.5178
County
Ketchikan Gateway, AK
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ketchikan Public Utilities | — | — |
| Owner(s) | Ketchikan Public Utilities | — | — |
| Status | Operating | — | — |
The Silvis hydroelectric plant is located in Ketchikan Gateway County, Alaska. It is owned and operated by Ketchikan Public Utilities. The plant began operating in 1968 and has a total capacity of 2.1 MW from a single generator utilizing conventional hydroelectric technology. Silvis ranks as the 26th largest power plant in Alaska out of 29, and 1199th nationally out of 1464 plants.
In the most recent year with available data, Silvis generated 2,831 MWh of electricity, resulting in a capacity factor of 15.4%. The plant uses water (WAT) as its primary fuel source. Recent news coverage related to the plant has focused on hazards.
Generated from EIA, GEM, and public data sources
NERC Region
—
Balancing Authority
—
Grid Voltage
34.5 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
1.3K MWh
Latest Month
2.8K MWh
Annual Generation
15.4%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Wind Advisory: Prince of Wales Island; City and Borough of Wrangell; Ketchikan Gateway Borough; Annette Island
Wind Advisory issued March 21 at 3:54AM AKDT until March 21 at 7:00PM AKDT by NWS Juneau AK
Last updated 2026-03-21
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