Cedar Hills

16650 228th Ave SE, Maple Valley, WA 98038

Plant Summary Information

Cedar Hills is ranked #2 out of 2 landfill gas power plants in Washington in terms of total annual net electricity generation.

Cedar Hills is comprised of 18 generators and generated 13.4 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Cedar Hills
Utility Name	King County Solid Waste Division
Location	King County, WA
Initial Operation Date	April 2009
Last Update	Dec 2025
Annual Generation	53.0 MWh
Annual Consumption	43.3 k MMBtu
Ranked #12,823 out of 13,081 Power Plants Nationwide
Ranked #278 out of 281 Landfill Gas Power Plants Nationwide
Ranked #131 out of 131 Washington Power Plants
Ranked #2 out of 2 Washington Landfill Gas Power Plants
Fuel Types	Landfill Gas : 86.4% Distillate Fuel Oil : 13.6%
Previous Operators	Industrial Power Generating Company LLC (2013 to 2015) Bio Energy Washington, LLC (2016 to 2024) King County Solid Waste Division (2025 to 2025)

Map of Cedar Hills

Full Screen Map

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Cedar Hills.

Create Your Account Today

Monthly Net Generation for Cedar Hills

Download Generation

Monthly Plant Fuel Consumption for Cedar Hills

Download Fuel Consumption

Cedar Hills Details

Summary Information
Plant Name	Cedar Hills (57298)
Plant Address	16650 228th Ave SE, Maple Valley, WA 98038
Utility	King County Solid Waste Division (67614)
Latitude, Longitude	47.45583, -122.04278
Generation Dates on File	Jan 2010 to Dec 2025
Initial Operation Date	April 2009
Annual Generation	53.0 MWh
Fuel Types	Landfill Gas : 86.4% Distillate Fuel Oil : 13.6%

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	Puget Sound Energy (PSEI)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	Puget Sound Energy Inc (15500) WA
Grid Voltage	12.50 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Generator 1 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 10 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 11 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 12 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 13 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 14 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 15 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 16 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 17 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 18 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 2 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 3 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 4 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 5 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 6 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 7 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 8 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Generator 9 Details Operating April 2009

Technology	Landfill Gas
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2009

Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Landfill Gas / Distillate Fuel Oil
Startup Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	LFG / DFO

Cedar Hills Plant Owners

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Landfill Gas.

Rank	Plant Name	Plant Location	Annual Generation
#261	Granby LFG	Granby, MA	1.7 GWh
#262	Ameresco Stafford	Stafford, VA	1.7 GWh
#263	Green City Recovery, LLC	Georgetown, KY	1.2 GWh
#264	Woodbine Landfill Plant	Woodbine, NJ	1.2 GWh
#265	GRS Arbor Hills	Northville, MI	1.2 GWh
#266	Riverview Energy Systems	Riverview, MI	1.1 GWh
#267	POET Biorefining - Chancellor	Chancellor, SD	27.6 GWh
#268	Pennsauken Landfill	Pennsauken, NJ	670.0 MWh
#269	Port Charlotte Energy LLC	Punta Gorda, FL	626.0 MWh
#270	Sonoma Central Landfill Phase I	Petaluma, CA	583.0 MWh
#271	Alpha Ridge LFG	Marriottsville, MD	250.0 MWh
#272	Berkeley County Landfill	Moncks Corner, SC	237.0 MWh
#273	Pine Grove	Pine Grove, PA	96.0 MWh
#274	Salem Energy Systems LLC	Winston-Salem, NC	76.0 MWh
#275	Chesterfield Landfill Gas	Chester, VA	457.0 MWh
#276	Wellford Renewable Energy Plant	Spartanburg, SC	59.0 MWh
#277	MCLB Landfill Gas to Energy	Albany, GA	53.0 MWh
#279	G2 Energy Marion LLC	Ocala, FL	18.0 MWh
#280	Brown Station Road Plant II	Upper Marlboro, MD	11.0 MWh
#281	Liberty I & II LFGTE	Monticello, IN	10.0 MWh

Nearby Power Plants

Below are closest 20 power plants surrounding Cedar Hills.

Plant Name	Plant Location	Annual Generation	Distance
Black Creek	Snoqualmie, WA	8.7 GWh	16.8 mi
Calligan Creek Hydroelectric Project	Snoqualmie, WA	12.6 GWh	19.3 mi
Cedar Falls (WA)	North Bend, WA	53.6 GWh	12.5 mi
Crystal Mountain	Greenwater, WA	775.0 MWh	43.8 mi
Frederickson	Tacoma, WA	20.8 GWh	30.1 mi
Frederickson Power LP	Tacoma, WA	1.6 TWh	29.7 mi
H M Jackson	Sultan, WA	333.6 GWh	33 mi
Hancock Creek Hydroelectric Project	Snoqualmie, WA	18.3 GWh	18.3 mi
LaGrande	La Grande, WA	291.2 GWh	45 mi
LRI LFGTE Facility	Graham, WA	33.2 GWh	35.2 mi
Rocky Brook Hydroelectric	Brinnon, WA	464.0 MWh	45.7 mi
Snoqualmie	Snoqualmie, WA	59.2 GWh	11.2 mi
Snoqualmie 2	Snoqualmie, WA	106.8 GWh	11.2 mi
South Fork Tolt	North Bend, WA	48.6 GWh	20.7 mi
Twin Falls Hydro	North Bend, WA	59.3 GWh	16.6 mi
University of Washington Power Plant	Seattle, WA	129.4 MWh	18.3 mi
Weeks Falls	North Bend, WA	10.7 GWh	18.5 mi
West Point Treatment Plant	Seattle, WA	14.3 GWh	23.6 mi
Yelm	Yelm, WA	32.2 GWh	43.3 mi
Youngs Creek Hydroelectric Project	Monroe, WA	12.9 GWh	25.8 mi