Davis Battery Storage — Plant Summary
- EIA Plant ID
- 67304
- Capacity
- 11.8 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Weld, CO
- Operating Since
- 2024
- Generators
- 1
- Operator
- United Power, Inc
- Parent Company
- Ameresco
- Annual Generation
- -672 MWh
- Capacity Factor
- -0.6%
- Balancing Authority
- Western Area Power Administration - Rocky Mountain Region
- ISO/RTO
- —
- NERC Region
- WECC
Davis Battery Storage
OperatingBESS
Ranked #7 of 15 BESS plants in CO#503 of 837 nationally
11.8 MW BESS operating in Weld, CO — Western Area Power Administration - Rocky Mountain Region
EIA
11.8 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
32.4007, -111.2554
County
Weld, CO
Nearby Plants
- Picture Rocks Solar, LLCSolar20 MW · 3.6 km
- Avra Valley SolarSolar25 MW · 4.1 km
- North LoopNatural Gas107.8 MW · 12.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | United Power, Inc | Ameresco | — |
| Owner(s) | Ameresco | Ameresco | — |
| Status | Operating | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Western Area Power Administration - Rocky Mountain Region
Grid Voltage
13.2 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
−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.
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
Grid·capacity addition
43 GW: Solar tops new US power for the 5th year in a row
The US installed 43 gigawatts (GW) of new solar capacity in 2025, marking the fifth straight year that solar has been the largest source of...
Electrek·5 days ago
Industry·corporate
Why data centers will need a ‘bring your own power’ strategy
If the AI boom is not handled correctly, we will put grid stability and public trust at odds with tech-led growth, writes Ameresco CEO George Sakellaris.
Ameresco (operator)George Sakellaris (executive)
Utility Dive·6 days ago
Industry·corporate
Hidden Valley split over natural gas plant, battery storage proposal
Another development project is on the horizon for Hidden Valley and Thunderbird Farms, but this time, opinions are split. A small team from White Plains,...
InMaricopa.com·3 months ago
Industry·partnership
Ford and SK On to end battery joint venture. What it means in Tennessee
SK On and Ford Motor Co. have reached an agreement to restructure their U.S. battery manufacturing joint venture, BlueOval SK.
SK On (other)Ford Motor Co. (other)
The Commercial Appeal·3 months ago
Last updated 2026-03-14
View all 10 articles