How many natural gas power plants are in Colorado?

Colorado has 33 operating utility-scale natural gas power plants with 8.8 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest natural gas power plant in Colorado?

Fort St Vrain in Weld County, Colorado is the largest, at 1,149 MW. It came online in 2009.

How many natural gas power plants were built in Colorado in 2025?

1 natural gas power plant came online in Colorado in 2025, with 163 MW of capacity.

Who is developing natural gas power plants in Colorado?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Natural gas power plants in Colorado

Colorado has 33 operating natural gas power plants with 8.8 GW of capacity. 1 came online in 2025.

Operating33

See planned natural gas power plants in Colorado

Updated monthly. Last updated November 2026.

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

Colorado had 29 natural gas power plants online in 2016 and 33 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Natural gas power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest natural gas power plants in Colorado

Operating, by capacity

#	Natural gas power plant	County	Year online	Capacity
1	Fort St Vrain	Weld County	2009	1,149 MW
2	Cherokee	Adams County	2015	1,006 MW
3	Rocky Mountain Energy Center	Weld County	2004	685 MW
4	Front Range Power Plant	El Paso County	2003	554 MW
5	Pawnee	Morgan County	1981	552 MW
6	Rawhide	Larimer County	2008	507 MW
7	Pueblo Airport Generating Station	Pueblo County	2016	440 MW
8	Spindle Hill Energy Center	Weld County	2007	420 MW
9	Blue Spruce Energy Center	Adams County	2003	398 MW
10	JM Shafer Generating Station	Weld County	1994	397 MW

Natural gas power plants that came online most recently in Colorado

Newest first

#	Natural gas power plant	County	Year online	Capacity
1	Canyon Peak Power Station	Arapahoe County	2026	157 MW
2	Mountain Peak Power Station	Weld County	2025	163 MW
3	South Plant (CO)	El Paso County	2023	245 MW
4	Gaylord Rockies CHP	Adams County	2022	4 MW
5	Pueblo Airport Generating Station	Pueblo County	2016	440 MW
6	Cherokee	Adams County	2015	1,006 MW
7	Fort St Vrain	Weld County	2009	1,149 MW
8	Rawhide	Larimer County	2008	507 MW
9	Plains End II LLC	Jefferson County	2008	118 MW
10	Spindle Hill Energy Center	Weld County	2007	420 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks natural gas power plants

Operating natural gas power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about natural gas power plants in Colorado

How many natural gas power plants are in Colorado?: Colorado has 33 operating utility-scale natural gas power plants with 8.8 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest natural gas power plant in Colorado?: Fort St Vrain in Weld County, Colorado is the largest, at 1,149 MW. It came online in 2009.
How many natural gas power plants were built in Colorado in 2025?: 1 natural gas power plant came online in Colorado in 2025, with 163 MW of capacity.
Who is developing natural gas power plants in Colorado?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.