Annex Creek
Hydro power plant in Juneau, Alaska. 4 MW of nameplate capacity across 2 generators, operated by Alaska Electric Light & Power Co..
Also known as Annex Creek Power Plant · EIA plant 62
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1915First generator online
- Operator
- Alaska Electric Light & Power Co.EIA operator ID 213
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Juneau, AK58.3176, −134.1010
- EIA plant ID
- 62EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Annex Creek produces
Free · EIA-923Net generation, 2025
10.3 GWh
10,326 MWh, final
Capacity factor, 2025
29.5%
2024: 13.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
4.9–27.0
GWh a year. Low 2024, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 24,722 | Not reported | 12 of 12 |
| 2001 | 21,690 | Not reported | 12 of 12 |
| 2002 | 28,878 | Not reported | 12 of 12 |
| 2003 | 24,114 | Not reported | 12 of 12 |
| 2004 | 22,918 | Not reported | 12 of 12 |
| 2005 | 29,346 | Not reported | 12 of 12 |
| 2006 | 28,141 | Not reported | 12 of 12 |
| 2007 | 27,935 | Not reported | 12 of 12 |
| 2008 | 28,475 | Not reported | 12 of 12 |
| 2009 | 25,455 | Not reported | 12 of 12 |
| 2010 | 26,436 | 75.4% | 12 of 12 |
| 2011 | 22,270 | 63.6% | 12 of 12 |
| 2012 | 21,935 | 62.4% | 12 of 12 |
| 2013 | 25,056 | 71.5% | 12 of 12 |
| 2014 | 27,380 | 78.1% | 12 of 12 |
| 2015 | 27,012 | 77.1% | 12 of 12 |
| 2016 | 25,644 | 73.0% | 12 of 12 |
| 2017 | 19,151 | 54.7% | 12 of 12 |
| 2018 | 26,657 | 76.1% | 12 of 12 |
| 2019 | 26,761 | 76.4% | 12 of 12 |
| 2020 | 25,962 | 73.9% | 12 of 12 |
| 2021 | 25,983 | 74.2% | 12 of 12 |
| 2022 | 24,515 | 70.0% | 12 of 12 |
| 2023 | 8,383 | 23.9% | 12 of 12 |
| 2024 | 4,883 | 13.9% | 12 of 12 |
| 2025 | 10,326 | 29.5% | 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 |
|---|---|---|---|
| 5 | Conventional Hydroelectric | 1.8 | December 1915 |
| 6 | Conventional Hydroelectric | 2.2 | December 1915 |
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 Annex Creek
More plants operated by Alaska Electric Light & Power Co.
Questions about Annex Creek
How much power does Annex Creek produce?
Annex Creek reported 10,326 MWh (10.3 GWh) of net generation in 2025, a 29.5% capacity factor on 4 MW of nameplate capacity.
Where is Annex Creek?
Annex Creek is in Juneau, Alaska, at 58.3176, −134.1010.
Who operates Annex Creek?
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 Annex Creek start operating?
Its first generator began operating in December 1915, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page