I25 Battery Storage
Battery storage project in Weld County, Colorado. 4 MW of nameplate capacity across 1 generator, operated by United Power, Inc.
Also known as EIA plant 62373
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2018First generator online
- Operator
- United Power, IncEIA operator ID 19499
- Grid
- WACMBalancing authority WACM
- Price nodes
- None linkedNo verified ISO node
- Location
- Weld County, CO40.1403, −104.9780
- EIA plant ID
- 62373EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power I25 Battery Storage produces
Free · EIA-923Net generation, 2025
−114 MWh
−114 MWh, final
Battery discharge, 2025
1 MWh
Charge 115 MWh
January to July 2026
−102 MWh
Provisional
Range, 2019 to 2025
−5.8–−0.1
GWh a year. Low 2024, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | −217 | Not reported | 12 of 12 |
| 2020 | −133 | Not reported | 12 of 12 |
| 2021 | −256 | Not reported | 12 of 12 |
| 2022 | −336 | Not reported | 12 of 12 |
| 2023 | −260 | Not reported | 12 of 12 |
| 2024 | −5,843 | Not reported | 12 of 12 |
| 2025 | −114 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | −102 | Not reported | 7 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| I25BA | Batteries | 4.0 | December 2018 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists United Power, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about I25 Battery Storage
How much power does I25 Battery Storage produce?
I25 Battery Storage reported −114 MWh (−114 MWh) of net generation in 2025. From January to July 2026 it reported −102 MWh, which is provisional.
Where is I25 Battery Storage?
I25 Battery Storage is in Weld County, Colorado, at 40.1403, −104.9780. It is in the Western Area Power Administration - Rocky Mountain Region balancing area (WACM).
Who operates I25 Battery Storage?
EIA-860M for August 2026 lists United Power, Inc as the operator (EIA operator ID 19499). The operator is not always the owner.
When did I25 Battery Storage start operating?
Its first generator began operating in December 2018, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page