Mamm Creek — Plant Summary
- EIA Plant ID
- 67322
- Capacity
- 22.4 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Under construction
- Location
- Garfield, CO
- Operating Since
- —
- Generators
- 2
- Operator
- AES Clean Energy
- Parent Company
- —
- Balancing Authority
- Public Service Company of Colorado
- ISO/RTO
- —
- NERC Region
- WECC
Mamm Creek
Under constructionBESSSolarHybridGEM: construction
Ranked #5 of 15 BESS plants in CO#460 of 837 nationally
22.4 MW Batteries (11 MW) + Solar Photovoltaic (11 MW) under construction in Garfield, CO — Public Service Company of Colorado
EIAGEM
22.4 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Location
Coordinates
39.5266, -107.6980
County
Garfield, CO
Nearby Plants
- Owlville Creek Solar 2, LLCBESS8 MW · 0.1 km
- Eagle Springs Solar LLCSolar1 MW · 0.2 km
- Oak Leaf Solar XXXII (CSG)Solar1.5 MW · 9.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | AES Clean Energy | — |
| Owner(s) | AES Clean Energy | AES Clean Energy | — |
| Status | Under construction | construction | — |
Ownership Chain
GEM identifies the owner as AES Clean Energy
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Public Service Company of Colorado
Grid Voltage
24.9 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Geregu Power: What MA’AM’s Takeover Means for Shareholders
With Geregu Power currently valued at about N2.85 trillion and contributing roughly 10 per cent of electricity to the national grid,...
THISDAYLIVE·2 months ago
General
West Slope utility-scale solar: surge or stall?
Over McClure Pass, between Hotchkiss and Delta, one of the nation's most innovative photovoltaic power projects is complete and will have a...
The Sopris Sun·6 months ago
General
West Slope utility-scale solar: surge or stall?
Over McClure Pass, between Hotchkiss and Delta, one of the nation's most innovative photovoltaic power projects is complete and will have a...
The Sopris Sun·6 months ago
Industry·technology
West Slope utility-scale solar: surge or stall?
Over McClure Pass, between Hotchkiss and Delta, one of the nation's most innovative photovoltaic power projects is complete and will have a...
The Sopris Sun·6 months ago
Last updated 2026-03-26
View all 10 articles