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18.6 MW Hydro operating in Sitka, AK
18.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1982
Operating Since
Coordinates
56.9863, -135.1228
County
Sitka, AK
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City & Borough of Sitka - (AK) | — | — |
| Owner(s) | City & Borough of Sitka - (AK) | — | — |
| Status | Operating | — | — |
Green Lake is a hydroelectric power plant located in Sitka County, Alaska. The plant has a total capacity of 18.6 MW and is operated by the City & Borough of Sitka. Commissioned in 1982, the facility consists of two generators utilizing conventional hydroelectric technology and drawing power from water (WAT).
In the most recent year with available data, Green Lake generated 43,238 MWh of electricity, achieving a capacity factor of 26.5%. The plant ranks as the 9th largest in Alaska out of 29 power plants, and 505th nationally out of 1464 plants.
Generated from EIA, GEM, and public data sources
Grid Region
—
Market
—
NERC Region
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Balancing Authority
4.4K MWh
Latest Month
43.2K MWh
Annual Generation
26.5%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $42.7M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility