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78.2 MW Hydro operating in Juneau, AK
78.2 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1973
Operating Since
Coordinates
58.1415, -133.7370
County
Juneau, AK
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alaska Electric Light & Power Co. | Alaska Electric Light and Power | — |
| Owner(s) | Alaska Industrial Dev&Exp Auth | Alaska Industrial Development and Export Authority (AIDEA) | — |
| Status | Operating | operating | — |
GEM identifies the owner as Alaska Industrial Development and Export Authority (AIDEA)
This entity is not yet in the GEM ownership database — chain unavailable.
The Snettisham hydroelectric power plant is a 78 MW power plant located 28 miles south of central Juneau, Alaska and accessible only by boat or seaplane. The power plant is fed by two lakes that are tapped from below, negating the need for a traditional dam. As of 2020 it supplies 65% of the electricity for Alaska Electric Light & Power. It is connected to Juneau by a 44-mile transmission line.
Read more on WikipediaSnettisham Hydroelectric Plant is located in Juneau County, Alaska. The plant, which began operating in 1973, has a total capacity of 78.2 MW derived from three generators utilizing conventional hydroelectric technology. It is owned and operated by Alaska Electric Light & Power Co. The primary fuel source for the plant is water (WAT).
In the most recent year of reported data, Snettisham generated 332,682 MWh of electricity, achieving a capacity factor of 48.5%. Snettisham is the second-largest of 29 power plants in Alaska, and ranks 229th out of 1464 plants nationally.
Generated from EIA, GEM, and public data sources
Grid Region
—
Market
—
NERC Region
—
Balancing Authority
36.1K MWh
Latest Month
332.7K MWh
Annual Generation
48.5%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $179.4M
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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ask pi about Snettisham—
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility