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11.8 MW BESS operating in Weld, CO — Western Area Power Administration - Rocky Mountain Region
11.8 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
32.4007, -111.2554
County
Weld, CO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Davis UP Energy Storage LLC | Ameresco | — |
| Owner(s) | Ameresco | Ameresco | — |
| Status | Operating | — | — |
Davis Battery Storage, plant ID 67304, is a battery energy storage system (BESS) located in Weld County, Colorado. The plant, owned by Ameresco and operated by United Power, Inc, came online in 2024. It has a total capacity of 11.8 MW from a single generator, utilizing lithium-ion battery (LIB) chemistry. The BESS has a storage capacity of 47 MWh, providing a duration of approximately 3.98 hours at full output.
The facility operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the WECC NERC region. Davis Battery Storage is ranked as the 12th largest of 18 battery storage plants in Colorado, and 725th nationally out of 1205 such facilities. The plant's primary fuel is listed as 'MWH', indicating it draws power from the grid to charge its batteries.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
−157 MWh
Net Charging
-672 MWh
Annual Net Energy
-0.6%
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: $16.1M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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ask pi about Davis Battery StorageWestern Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
—
Sector
Electric Utility