Rocky Mountain Energy Center

6211 Weld County Rd 51, Keenesburg, CO 80643

Plant Summary Information

Rocky Mountain Energy Center is ranked #5 out of 282 power plants in Colorado in terms of total annual net electricity generation.

Rocky Mountain Energy Center is comprised of 3 generators and generated 904.2 GWh during the 3-month period between June 2025 to September 2025.

Plant Name	Rocky Mountain Energy Center
Utility Name	Public Service Co of Colorado
Location	Weld County, CO
Initial Operation Date	May 2004
Last Update	Sep 2025
Annual Generation	2.4 TWh
Annual Consumption	19.5 M MMBtu
Ranked #456 out of 12,539 Power Plants Nationwide
Ranked #282 out of 2,243 Natural Gas Power Plants Nationwide
Ranked #5 out of 282 Colorado Power Plants
Ranked #3 out of 34 Colorado Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Rocky Mountain Energy Center (55835)
Plant Address	6211 Weld County Rd 51, Keenesburg, CO 80643
Utility	Public Service Co of Colorado (15466)
Latitude, Longitude	40.0908, -104.5953
Generation Dates on File	May 2004 to Sep 2025
Initial Operation Date	May 2004
Annual Generation	2.4 TWh
Fuel Types	Natural Gas

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	Regulated
NERC Region	WECC
Balancing Authority	Public Service Company of Colorado (PSCO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Wells
Ash Impoundment	No
Transmission / Distribution Owner	Public Service Co of Colorado (15466) CO
Grid Voltage	230.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	COLORADO INTERSTATE GAS COMPANY LLC
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	RKM0
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	Yes
Nameplate Capacity	175.1 MW
Nameplate Power Factor	0.85
Summer Capacity	146 MW
Winter Capacity	166 MW
Minimum Load	82 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	May 2004
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Cofire Fuels	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	RKM0
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	Yes
Nameplate Capacity	175.1 MW
Nameplate Power Factor	0.85
Summer Capacity	146 MW
Winter Capacity	166 MW
Minimum Load	82 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	May 2004
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Cofire Fuels	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	RKM0
Ownership	Single Owner
Duct Burners	Yes
Nameplate Capacity	334.9 MW
Nameplate Power Factor	0.85
Summer Capacity	300 MW
Winter Capacity	305 MW
Minimum Load	64 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	May 2004
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Cofire Fuels	No

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

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

Rank	Plant Name	Plant Location	Annual Generation
#272	O W Sommers	San Antonio, TX	2.5 TWh
#273	Astoria Energy II	Astoria, NY	2.6 TWh
#274	Stanton Energy Center	Orlando, FL	5.3 TWh
#275	Los Medanos Energy Center	Pittsburg, CA	2.5 TWh
#276	Brunner Island	York Haven, PA	4.1 TWh
#277	Metcalf Energy Center	San Jose, CA	2.5 TWh
#278	W A Parish	Thompsons, TX	15.4 TWh
#279	Corpus Christi Energy Center	Corpus Christi, TX	2.5 TWh
#280	Caithness Long Island Energy Center	Yaphank, NY	2.5 TWh
#281	R D Morrow	Purvis, MS	2.4 TWh
#283	TalenEnergy Martins Creek	Bangor, PA	2.4 TWh
#284	Bridgeport Energy Project	Bridgeport, CT	2.4 TWh
#285	Emery Station	Clear Lake, IA	2.3 TWh
#286	Oyster Creek Unit VIII	Freeport, TX	2.3 TWh
#287	Lost Pines 1 Power Project	Bastrop, TX	2.3 TWh
#288	Gulf Clean Energy Center	Pensacola, FL	2.3 TWh
#289	Attala	Sallis, MS	2.3 TWh
#290	Black Dog	Burnsville, MN	2.3 TWh
#291	Mint Farm Generating Station	Longview, WA	2.3 TWh
#292	Sweeny Cogen Facility	Old Ocean, TX	3.3 TWh

Below are closest 20 power plants surrounding Rocky Mountain Energy Center.

Plant Name	Plant Location	Annual Generation	Distance
Airport 1 Solar (DIA)	Denver, CO	2.7 GWh	13.9 mi
City & County of Denver at Denver Int'l	Denver, CO	4.0 GWh	13.3 mi
Denver Int Airport	Denver, CO	1.5 GWh	13.4 mi
Denver Intl Airport IV Solar	Denver, CO	3.0 GWh	13.6 mi
DIA 8	Denver, CO	8.5 GWh	13.4 mi
Fort Lupton	Ft. Lupton, CO	12.4 GWh	10.6 mi
Frank Knutson	Commerce City, CO	275.6 GWh	11.3 mi
JM Shafer Generating Station	Ft. Lupton, CO	798.1 GWh	9.4 mi
Oak Leaf Solar XVIII LLC	Denver, CO	11.5 GWh	14.2 mi
Oak Leaf Solar XXII LLC (CSG)	Denver, CO	3.6 GWh	13.5 mi
Oak Leaf Solar XXVIII LLC (CSG)	Platteville, CO	3.3 GWh	14 mi
Overland	Hudson, CO	698.0 MWh	4 mi
Pivot Solar 4 LLC (CSG)	Platteville, CO	3.8 GWh	13.5 mi
Pivot Solar 8 LLC (CSG)	Platteville, CO	3.7 GWh	13.9 mi
Platteville Solar CSG, LLC	Platteville, CO	3.0 GWh	13.4 mi
SR Jenkins Ft Lupton	Ft. Lupton, CO	30.9 GWh	8 mi
SR Platte Solar Farm	Platteville, CO	34.5 GWh	8.1 mi
SR Rattlesnake	Platteville, CO	15.3 GWh	9.7 mi
Vasquez V CSG	Platteville, CO	8.2 GWh	14.5 mi
Weld 1 Community Solar Array	Platteville, CO	3.4 GWh	14.3 mi