Dolores Canyon Solar
Solar power plant in Dolores County, Colorado. 110 MW of nameplate capacity across 1 generator, operated by Tri-State G & T Assn, Inc.
Also known as EIA plant 64858
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 110 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2025First generator online
- Operator
- Tri-State G & T Assn, IncEIA operator ID 30151
- Grid
- WACMBalancing authority WACM
- Price nodes
- 2 SPP nodesResource nodes with prices
- Location
- Dolores County, CO37.7050, −108.7550
- EIA plant ID
- 64858EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Dolores Canyon Solar produces
Free · EIA-923Net generation, 2025
21.5 GWh
21,452 MWh, final. 2 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
158 GWh
Provisional
| 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 | 21,452 | Not reported | 2 of 12 |
| 2026 (provisional, partial year) | 157,849 | 28.2% | 7 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 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 |
|---|---|---|---|
| C0497 | Solar Photovoltaic | 110.0 | November 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 Tri-State G & T Assn, Inc 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 Dolores Canyon Solar
More plants operated by Tri-State G & T Assn, Inc
Questions about Dolores Canyon Solar
How much power does Dolores Canyon Solar produce?
Dolores Canyon Solar reported 21,452 MWh (21.5 GWh) of net generation in 2025. From January to July 2026 it reported 158 GWh, which is provisional. 2 of 12 months were reported for 2025.
Where is Dolores Canyon Solar?
Dolores Canyon Solar is in Dolores County, Colorado, at 37.7050, −108.7550. It is in the Western Area Power Administration - Rocky Mountain Region balancing area (WACM).
Who operates Dolores Canyon Solar?
EIA-860M for August 2026 lists Tri-State G & T Assn, Inc as the operator (EIA operator ID 30151). The operator is not always the owner.
When did Dolores Canyon Solar start operating?
Its first generator began operating in November 2025, according to EIA-860M.
Does InfraMap have power prices for Dolores Canyon Solar?
Yes. InfraMap has SPP day-ahead and real-time prices at 2 price nodes linked to Dolores Canyon Solar, 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