Weeks Falls
Hydro power plant in King County, Washington. 4.3 MW of nameplate capacity across 1 generator, operated by Eagle Creek Renewable Energy, LLC.
Also known as EIA plant 54387
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 1990First generator online
- Operator
- Eagle Creek Renewable Energy, LLCEIA operator ID 57280
- Grid
- PSEIBalancing authority PSEI
- Price nodes
- None linkedNo verified ISO node
- Location
- King County, WA47.4335, −121.6483
- EIA plant ID
- 54387EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Weeks Falls produces
Free · EIA-923Net generation, 2025
10.7 GWh
10,657 MWh, final
Capacity factor, 2025
28.3%
2024: 34.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
8.5–15.7
GWh a year. Low 2015, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 10,907 | Not reported | 12 of 12 |
| 2002 | 12,765 | Not reported | 12 of 12 |
| 2003 | 11,826 | Not reported | 12 of 12 |
| 2004 | 11,662 | Not reported | 12 of 12 |
| 2005 | 8,128 | Not reported | 12 of 12 |
| 2006 | 12,691 | Not reported | 12 of 12 |
| 2007 | 13,390 | Not reported | 12 of 12 |
| 2008 | 11,994 | Not reported | 12 of 12 |
| 2009 | 12,348 | Not reported | 12 of 12 |
| 2010 | 13,234 | 35.1% | 12 of 12 |
| 2011 | 15,834 | 42.0% | 12 of 12 |
| 2012 | 17,114 | 45.3% | 12 of 12 |
| 2013 | 14,707 | 39.0% | 12 of 12 |
| 2014 | 16,407 | 43.6% | 12 of 12 |
| 2015 | 8,512 | 22.6% | 12 of 12 |
| 2016 | 11,111 | 29.4% | 12 of 12 |
| 2017 | 13,647 | 36.2% | 12 of 12 |
| 2018 | 14,593 | 38.7% | 12 of 12 |
| 2019 | 9,494 | 25.2% | 12 of 12 |
| 2020 | 15,716 | 41.6% | 12 of 12 |
| 2021 | 14,405 | 38.2% | 12 of 12 |
| 2022 | 12,416 | 33.0% | 12 of 12 |
| 2023 | 8,798 | 23.4% | 12 of 12 |
| 2024 | 13,102 | 34.7% | 12 of 12 |
| 2025 | 10,657 | 28.3% | 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 |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 4.3 | June 1990 |
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 Eagle Creek Renewable Energy, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Weeks Falls and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Weeks Falls
More plants operated by Eagle Creek Renewable Energy, LLC
Questions about Weeks Falls
How much power does Weeks Falls produce?
Weeks Falls reported 10,657 MWh (10.7 GWh) of net generation in 2025, a 28.3% capacity factor on 4.3 MW of nameplate capacity.
Where is Weeks Falls?
Weeks Falls is in King County, Washington, at 47.4335, −121.6483. It is in the Puget Sound Energy balancing area (PSEI).
Who operates Weeks Falls?
EIA-860M for August 2026 lists Eagle Creek Renewable Energy, LLC as the operator (EIA operator ID 57280). The operator is not always the owner.
When did Weeks Falls start operating?
Its first generator began operating in June 1990, 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