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22.4 MW Batteries (11 MW) + Solar Photovoltaic (11 MW) operating in Garfield, CO
22.4 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Coordinates
39.3959, -108.0733
County
Garfield, CO
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | AES Clean Energy | — |
| Owner(s) | AES Clean Energy | AES Clean Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as AES Clean Energy
This entity is not yet in the GEM ownership database — chain unavailable.
The High Mesa CO facility, located in Garfield County, Colorado, is a hybrid power plant combining solar photovoltaic generation with battery energy storage. The plant has a total capacity of 22.4 MW and commenced operations in 2025. It is owned and operated by AES Clean Energy. The facility consists of two generators utilizing both solar and battery technologies, with the primary fuel source listed as MWH (megawatt-hours). The solar component uses a fixed tilt tracking system.
The battery energy storage system (BESS) has a duration of 1.79 hours. High Mesa CO operates within the Public Service Company of Colorado balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. According to available rankings, the plant is the 8th largest of 18 similar facilities in Colorado and ranks 679 out of 1205 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Public Service Company of Colorado (PSCO)
Grid Voltage
24.9 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $30.5M
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-14
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