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22.4 MW Batteries (11 MW) + Solar Photovoltaic (11 MW) operating in Garfield, CO — Public Service Company of Colorado
22.4 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Coordinates
39.5266, -107.6980
County
Garfield, CO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | AES Clean Energy | — |
| Owner(s) | AES Clean Energy | AES Clean Energy | — |
| Status | Operating | construction | — |
GEM identifies the owner as AES Clean Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Mamm Creek is a hybrid power plant located in Garfield County, Colorado. The facility has a total capacity of 22.4 MW and is operated by AES Clean Energy. It utilizes both solar photovoltaic and battery storage technologies, with the primary fuel source listed as MWH. The solar component employs a fixed tilt tracking system. Mamm Creek is ranked as the 7th largest solar facility out of 18 in Colorado, and 678th nationally out of 1205.
The plant consists of 2 generators and operates within the Public Service Company of Colorado balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $30.5M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about Mamm CreekPublic Service Company of Colorado (PSCO)
Grid Voltage
24.9 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP