Cedar Hills
Landfill gas power plant in King County, Washington. 5.4 MW of nameplate capacity across 18 generators, operated by King County Solid Waste Division.
Also known as EIA plant 57298
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5.4 MWNameplate
- Generators
- 18 operatingEIA-860M, August 2026
- Operating since
- April 2009First generator online
- Operator
- King County Solid Waste DivisionEIA operator ID 67614
- Grid
- PSEIBalancing authority PSEI
- Price nodes
- None linkedNo verified ISO node
- Location
- King County, WA47.4558, −122.0428
- EIA plant ID
- 57298EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Cedar Hills produces
Free · EIA-923Net generation, 2025
53 MWh
53 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–29.5
GWh a year. Low 2019, high 2018
| 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 | Not reported | Not reported | 0 of 12 |
| 2010 | 32,737 | 69.2% | 12 of 12 |
| 2011 | 10,478 | 22.2% | 12 of 12 |
| 2012 | 13,143 | 27.7% | 12 of 12 |
| 2013 | 23,153 | 48.9% | 12 of 12 |
| 2014 | 24,486 | 51.8% | 12 of 12 |
| 2015 | 26,044 | 55.1% | 12 of 12 |
| 2016 | 27,021 | 57.0% | 12 of 12 |
| 2017 | 28,395 | 60.0% | 12 of 12 |
| 2018 | 29,500 | 62.4% | 12 of 12 |
| 2019 | 0 | 0.0% | 12 of 12 |
| 2020 | 0 | 0.0% | 12 of 12 |
| 2021 | 14,894 | 31.5% | 12 of 12 |
| 2022 | 0 | 0.0% | 12 of 12 |
| 2023 | 454 | 1.0% | 12 of 12 |
| 2024 | 78 | Not reported | 12 of 12 |
| 2025 | 53 | Not reported | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Landfill Gas | 0.3 | April 2009 |
| 2 | Landfill Gas | 0.3 | April 2009 |
| 3 | Landfill Gas | 0.3 | April 2009 |
| 4 | Landfill Gas | 0.3 | April 2009 |
| 5 | Landfill Gas | 0.3 | April 2009 |
| 6 | Landfill Gas | 0.3 | April 2009 |
| 7 | Landfill Gas | 0.3 | April 2009 |
| 8 | Landfill Gas | 0.3 | April 2009 |
| 9 | Landfill Gas | 0.3 | April 2009 |
| 10 | Landfill Gas | 0.3 | April 2009 |
| 11 | Landfill Gas | 0.3 | April 2009 |
| 12 | Landfill Gas | 0.3 | April 2009 |
| 13 | Landfill Gas | 0.3 | April 2009 |
| 14 | Landfill Gas | 0.3 | April 2009 |
| 15 | Landfill Gas | 0.3 | April 2009 |
| 16 | Landfill Gas | 0.3 | April 2009 |
| 17 | Landfill Gas | 0.3 | April 2009 |
| 18 | Landfill Gas | 0.3 | April 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 King County Solid Waste Division as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query Cedar Hills and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Cedar Hills
Questions about Cedar Hills
How much power does Cedar Hills produce?
Cedar Hills reported 53 MWh (53 MWh) of net generation in 2025.
Where is Cedar Hills?
Cedar Hills is in King County, Washington, at 47.4558, −122.0428. It is in the Puget Sound Energy balancing area (PSEI).
Who operates Cedar Hills?
EIA-860M for August 2026 lists King County Solid Waste Division as the operator (EIA operator ID 67614). The operator is not always the owner.
When did Cedar Hills start operating?
Its first generator began operating in April 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