High Mesa CO
High Mesa CO is a 22 MW battery storage project in Garfield County, Colorado, operated by AES Clean Energy. EIA-860M lists 2 generating units here. Its units entered service in 2025.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 22.4 MW
- 26.3 MW net summer
- Generating units
- 2
- In service
- 2025
- EIA plant ID
- 67323
Where it is
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- County
- Garfield County, Colorado
- Coordinates
- 39.3959, -108.0733
- Balancing authority
- PSCO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- AES Clean Energy
- Primary energy source
- Battery
- Technologies
- Batteries, Solar Photovoltaic
- Status
- Operating
This site runs on more than one energy source. EIA-860M capacity splits: Battery 11 MW, Solar 11 MW. It is filed here under Battery, the source with the most capacity.
High Mesa CO: FAQ
- Where is High Mesa CO?
- In Garfield County, Colorado (CO). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is High Mesa CO?
- 22 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns High Mesa CO?
- EIA-860M names AES Clean Energy as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is High Mesa CO still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.