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11.8 MW BESS operating in Weld, CO
11.8 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
32.4007, -111.2554
County
Weld, CO
Nearby Plants
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| 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
Western Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
—
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−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.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $16.1M
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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.
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