Lake Dorothy Hydroelectric Project
Hydro power plant in Juneau, Alaska. 14.3 MW of nameplate capacity across 1 generator, operated by Alaska Electric Light & Power Co..
Also known as EIA plant 57085
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 14.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2009First generator online
- Operator
- Alaska Electric Light & Power Co.EIA operator ID 213
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Juneau, AK58.2325, −134.0533
- EIA plant ID
- 57085EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lake Dorothy Hydroelectric Project produces
Free · EIA-923Net generation, 2025
81.7 GWh
81,670 MWh, final
Capacity factor, 2025
65.2%
2024: 66.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
67.9–88.6
GWh a year. Low 2019, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | 36,296 | Not reported | 12 of 12 |
| 2010 | 58,741 | 46.9% | 12 of 12 |
| 2011 | 70,602 | 56.4% | 12 of 12 |
| 2012 | 84,467 | 67.2% | 12 of 12 |
| 2013 | 82,519 | 65.9% | 12 of 12 |
| 2014 | 83,600 | 66.7% | 12 of 12 |
| 2015 | 84,921 | 67.8% | 12 of 12 |
| 2016 | 87,454 | 69.6% | 12 of 12 |
| 2017 | 77,150 | 61.6% | 12 of 12 |
| 2018 | 81,558 | 65.1% | 12 of 12 |
| 2019 | 67,932 | 54.2% | 12 of 12 |
| 2020 | 72,444 | 57.7% | 12 of 12 |
| 2021 | 87,446 | 69.8% | 12 of 12 |
| 2022 | 84,043 | 67.1% | 12 of 12 |
| 2023 | 88,602 | 70.7% | 12 of 12 |
| 2024 | 83,625 | 66.6% | 12 of 12 |
| 2025 | 81,670 | 65.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 14.3 | September 2009 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Alaska Electric Light & Power Co. as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Lake Dorothy Hydroelectric Project
More plants operated by Alaska Electric Light & Power Co.
Questions about Lake Dorothy Hydroelectric Project
How much power does Lake Dorothy Hydroelectric Project produce?
Lake Dorothy Hydroelectric Project reported 81,670 MWh (81.7 GWh) of net generation in 2025, a 65.2% capacity factor on 14.3 MW of nameplate capacity.
Where is Lake Dorothy Hydroelectric Project?
Lake Dorothy Hydroelectric Project is in Juneau, Alaska, at 58.2325, −134.0533.
Who operates Lake Dorothy Hydroelectric Project?
EIA-860M for August 2026 lists Alaska Electric Light & Power Co. as the operator (EIA operator ID 213). The operator is not always the owner.
When did Lake Dorothy Hydroelectric Project start operating?
Its first generator began operating in September 2009, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page