Green Lake — Plant Summary
- EIA Plant ID
- 313
- Capacity
- 18.6 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Sitka, AK
- Operating Since
- 1982
- Generators
- 2
- Operator
- City & Borough of Sitka - (AK)
- Parent Company
- —
- Annual Generation
- 43,238 MWh
- Capacity Factor
- 26.5%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Green Lake
OperatingHydro
Ranked #9 of 31 Hydro plants in AK#496 of 1454 nationally
18.6 MW Hydro operating in Sitka, AK
EIAWD
18.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1982
Operating Since
Location
Coordinates
56.9863, -135.1228
County
Sitka, AK
Nearby Plants
- Blue Lake HydroHydro15.9 MW · 9.7 km
- Jarvis StreetDistillate Oil25.6 MW · 13.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City & Borough of Sitka - (AK) | — | — |
| Owner(s) | City & Borough of Sitka - (AK) | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
4.4K MWh
Latest Month
43.2K MWh
Annual Generation
26.5%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Snow Causes Two Outages
Sitka lost power for about two hours early this morning after a tree fell on the Green Lake transmission line, cutting off power from the...
Daily Sitka Sentinel·2 days ago
General
Entergy Arkansas announces Ironwood power plant vendor fair for Arkansas contractors
From Entergy Arkansas. Entergy Arkansas has announced it will host a vendor fair for companies interested in pursuing contract opportunities...
Arkadelphian.com·4 days ago
General
Entergy Arkansas announces Ironwood power plant vendor fair for Arkansas contractors
From Entergy Arkansas. Entergy Arkansas has announced it will host a vendor fair for companies interested in pursuing contract opportunities...
Arkadelphian.com·4 days ago
Industry·corporate
Entergy Arkansas announces Ironwood power plant vendor fair for Arkansas contractors
From Entergy Arkansas. Entergy Arkansas has announced it will host a vendor fair for companies interested in pursuing contract opportunities...
Entergy Arkansas (other)Ironwood (other)
Arkadelphian.com·4 days ago
Last updated 2026-03-26
View all 10 articles