Rocky Mountain Solar
Solar and battery storage project in Pueblo County, Colorado. 525 MW of nameplate capacity across 2 generators, operated by Public Service Co of Colorado.
Also known as EIA plant 69100
This project groups Rocky Mountain Solar (EIA 69100). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 525 MWSolar 325.0 · Battery storage 200.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2025First generator online
- Operator
- Public Service Co of ColoradoEIA operator ID 15466
- Grid
- PSCOBalancing authority PSCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Pueblo County, CO38.1532, −104.5763
- EIA plant ID
- 69100EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Rocky Mountain Solar produces
Free · EIA-923Net generation, 2025
3.09 GWh
3,092 MWh, final. 1 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
381 GWh
Provisional. 5 of 7 months reported
| 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 | Not reported | Not reported | 0 of 12 |
| 2025 | 3,092 | Not reported | 1 of 12 |
| 2026 (provisional, partial year) | 380,626 | Not reported | 5 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
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 |
|---|---|---|---|
| RKMB | Batteries | 200.0 | March 2026 |
| RKMS | Solar Photovoltaic | 325.0 | December 2025 |
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 Public Service Co of Colorado as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Rocky Mountain Solar
More plants operated by Public Service Co of Colorado
Questions about Rocky Mountain Solar
How much power does Rocky Mountain Solar produce?
Rocky Mountain Solar reported 3,092 MWh (3.09 GWh) of net generation in 2025. From January to July 2026 it reported 381 GWh, which is provisional. 1 of 12 months were reported for 2025.
Where is Rocky Mountain Solar?
Rocky Mountain Solar is in Pueblo County, Colorado, at 38.1532, −104.5763. It is in the Public Service Company of Colorado balancing area (PSCO).
Who operates Rocky Mountain Solar?
EIA-860M for August 2026 lists Public Service Co of Colorado as the operator (EIA operator ID 15466). The operator is not always the owner.
Is Rocky Mountain Solar a solar or a battery storage plant?
Both. Solar capacity totals 325 MW and battery storage capacity totals 200 MW.
When did Rocky Mountain Solar start operating?
Its first generator began operating in December 2025, 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