Cedar Falls (WA)
Hydro power plant in King County, Washington. 30 MW of nameplate capacity across 2 generators, operated by City of Seattle - (WA).
Also known as EIA plant 6430
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 30 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 1921First generator online
- Operator
- City of Seattle - (WA)EIA operator ID 16868
- Grid
- SCLBalancing authority SCL
- Price nodes
- 2 CAISO nodesResource nodes with prices
- Location
- King County, WA47.4193, −121.7819
- EIA plant ID
- 6430EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Cedar Falls (WA) produces
Free · EIA-923Net generation, 2025
53.6 GWh
53,629 MWh, final
Capacity factor, 2025
20.4%
2024: 2.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.2–86.9
GWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 49,254 | Not reported | 12 of 12 |
| 2001 | 64,394 | Not reported | 12 of 12 |
| 2002 | 78,919 | Not reported | 12 of 12 |
| 2003 | 63,226 | Not reported | 12 of 12 |
| 2004 | 60,943 | Not reported | 12 of 12 |
| 2005 | 36,429 | Not reported | 12 of 12 |
| 2006 | 74,769 | Not reported | 12 of 12 |
| 2007 | 65,865 | Not reported | 12 of 12 |
| 2008 | 85,501 | Not reported | 12 of 12 |
| 2009 | 76,097 | Not reported | 12 of 12 |
| 2010 | 65,082 | 37.1% | 12 of 12 |
| 2011 | 109,696 | 62.6% | 12 of 12 |
| 2012 | 122,111 | Not reported | 12 of 12 |
| 2013 | 76,889 | 29.3% | 12 of 12 |
| 2014 | 65,197 | 24.8% | 12 of 12 |
| 2015 | 47,084 | 17.9% | 12 of 12 |
| 2016 | 67,964 | 25.8% | 12 of 12 |
| 2017 | 82,923 | 31.6% | 12 of 12 |
| 2018 | 86,940 | 33.1% | 12 of 12 |
| 2019 | 40,858 | 15.5% | 12 of 12 |
| 2020 | 80,623 | 30.6% | 12 of 12 |
| 2021 | 82,958 | 31.6% | 12 of 12 |
| 2022 | 83,083 | 31.6% | 12 of 12 |
| 2023 | 25,204 | 9.6% | 12 of 12 |
| 2024 | 6,180 | 2.3% | 12 of 12 |
| 2025 | 53,629 | 20.4% | 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 account · CAISOEmissions
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 | 15.0 | November 1921 |
| 6 | Conventional Hydroelectric | 15.0 | November 1929 |
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 City of Seattle - (WA) 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 Cedar Falls (WA)
More plants operated by City of Seattle - (WA)
Questions about Cedar Falls (WA)
How much power does Cedar Falls (WA) produce?
Cedar Falls (WA) reported 53,629 MWh (53.6 GWh) of net generation in 2025, a 20.4% capacity factor on 30 MW of nameplate capacity.
Where is Cedar Falls (WA)?
Cedar Falls (WA) is in King County, Washington, at 47.4193, −121.7819. It is in the Seattle City Light balancing area (SCL).
Who operates Cedar Falls (WA)?
EIA-860M for August 2026 lists City of Seattle - (WA) as the operator (EIA operator ID 16868). The operator is not always the owner.
When did Cedar Falls (WA) start operating?
Its first generator began operating in November 1921, according to EIA-860M.
Does InfraMap have power prices for Cedar Falls (WA)?
Yes. InfraMap has CAISO day-ahead and real-time prices at 2 price nodes linked to Cedar Falls (WA), with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page