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7.8 MW BESS operating in Weld, CO — Western Area Power Administration - Rocky Mountain Region
7.8 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
40.1046, -104.9845
County
Weld, CO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Frederick Energy Storage LLC | Ameresco | — |
| Owner(s) | Ameresco | Ameresco | — |
| Status | Operating | — | — |
Frederick Battery Storage is a 7.8 MW battery energy storage system located in Weld County, Colorado. The plant began operating in 2024 and is owned by Ameresco and operated by United Power, Inc. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 31.3 MWh, providing a duration of approximately 4.01 hours at full output. The plant's primary fuel is listed as 'MWH', indicating it draws power from the grid to charge its batteries.
The facility is located within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the Western Area Power Administration - Rocky Mountain Region. Frederick Battery Storage is ranked as the 14th largest of 18 battery storage facilities in Colorado and 894th nationally out of 1205 similar plants. The plant has one generator.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Western Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
—
Sector
Electric Utility
−104 MWh
Net Charging
-311 MWh
Annual Net Energy
-0.5%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $10.6M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
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