Bromley Battery Storage
Battery storage project in Adams County, Colorado. 11.8 MW of nameplate capacity across 1 generator, operated by Bromley Energy Storage LLC.
Also known as EIA plant 67305
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 11.8 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2024First generator online
- Operator
- Bromley Energy Storage LLCEIA operator ID 67277
- Grid
- WACMBalancing authority WACM
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Adams County, CO39.9788, −104.7687
- EIA plant ID
- 67305EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Bromley Battery Storage produces
Free · EIA-923Net generation, 2025
−1.63 GWh
−1,627 MWh, final
Battery discharge, 2025
12.3 GWh
Charge 13.9 GWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
−1.6–−0.9
GWh a year. Low 2025, high 2024
| 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 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −865 | Not reported | 12 of 12 |
| 2025 | −1,627 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 account · SPPEmissions
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 |
|---|---|---|---|
| BROBA | Batteries | 11.8 | June 2024 |
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 Bromley Energy Storage LLC 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 Bromley Battery Storage
How much power does Bromley Battery Storage produce?
Bromley Battery Storage reported −1,627 MWh (−1.63 GWh) of net generation in 2025.
Where is Bromley Battery Storage?
Bromley Battery Storage is in Adams County, Colorado, at 39.9788, −104.7687. It is in the Western Area Power Administration - Rocky Mountain Region balancing area (WACM).
Who operates Bromley Battery Storage?
EIA-860M for August 2026 lists Bromley Energy Storage LLC as the operator (EIA operator ID 67277). The operator is not always the owner.
When did Bromley Battery Storage start operating?
Its first generator began operating in June 2024, according to EIA-860M.
Does InfraMap have power prices for Bromley Battery Storage?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Bromley Battery Storage, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page