How many battery storage projects are in Colorado?

Colorado has 18 operating utility-scale battery storage projects with 0.7 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest battery storage project in Colorado?

Rocky Mountain Solar in Pueblo County, Colorado is the largest, at 200 MW. It came online in 2026.

How many battery storage projects were built in Colorado in 2025?

3 battery storage projects came online in Colorado in 2025, with 122 MW of capacity.

Who is developing battery storage projects 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.

Battery storage projects in Colorado

Colorado has 18 operating battery storage projects with 0.7 GW of capacity. 3 came online in 2025.

Operating18

See planned battery storage projects in Colorado

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Colorado had 2 battery storage projects online in 2018 and 18 in 2026

2018’182019’192020’202021’212022’222023’232024’242025’252026’26

Battery storage projects online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest battery storage projects in Colorado

Operating, by capacity

#	Battery storage project	County	Year online	Capacity
1	Rocky Mountain Solar	Pueblo County	2026	200 MW
2	Neptune Energy Center Hybrid	Pueblo County	2023	125 MW
3	Thunder Wolf Energy Center Hybrid	Pueblo County	2023	100 MW
4	Jackson Fuller Energy Storage	El Paso County	2025	100 MW
5	Prairie Center Energy LLC	Adams County	2024	35 MW
6	Rattlesnake Ridge Battery Storage	Weld County	2024	12 MW
7	Davis Battery Storage	Weld County	2024	12 MW
8	Bromley Battery Storage	Adams County	2024	12 MW
9	Keenesburg Battery Storage	Weld County	2024	12 MW
10	Mamm Creek	Garfield County	2025	11 MW

Battery storage projects that came online most recently in Colorado

Newest first

#	Battery storage project	County	Year online	Capacity
1	Rocky Mountain Solar	Pueblo County	2026	200 MW
2	Mamm Creek	Garfield County	2025	11 MW
3	Jackson Fuller Energy Storage	El Paso County	2025	100 MW
4	High Mesa CO	Garfield County	2025	11 MW
5	Prairie Center Energy LLC	Adams County	2024	35 MW
6	Frederick Battery Storage	Weld County	2024	8 MW
7	Davis Battery Storage	Weld County	2024	12 MW
8	Platte Valley Battery Storage	Weld County	2024	8 MW
9	Bromley Battery Storage	Adams County	2024	12 MW
10	Rattlesnake Ridge Battery Storage	Weld County	2024	12 MW

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

How Cleanview tracks battery storage projects

Operating battery storage projects 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 battery storage projects in Colorado

How many battery storage projects are in Colorado?: Colorado has 18 operating utility-scale battery storage projects with 0.7 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest battery storage project in Colorado?: Rocky Mountain Solar in Pueblo County, Colorado is the largest, at 200 MW. It came online in 2026.
How many battery storage projects were built in Colorado in 2025?: 3 battery storage projects came online in Colorado in 2025, with 122 MW of capacity.
Who is developing battery storage projects 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.