Vallecito Hydroelectric
Hydro power plant in La Plata County, Colorado. 5.8 MW of nameplate capacity across 3 generators, operated by Ptarmigan Res & Engy Inc.
Also known as EIA plant 50206
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5.8 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 1989First generator online
- Operator
- Ptarmigan Res & Engy IncEIA operator ID 27762
- Grid
- WACMBalancing authority WACM
- Price nodes
- None linkedNo verified ISO node
- Location
- La Plata County, CO37.3777, −107.5787
- EIA plant ID
- 50206EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Vallecito Hydroelectric produces
Free · EIA-923Net generation, 2025
17.4 GWh
17,443 MWh, final
Capacity factor, 2025
34.3%
2024: 37.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
11.0–25.9
GWh a year. Low 2021, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 23 | Not reported | 12 of 12 |
| 2002 | 5 | Not reported | 12 of 12 |
| 2003 | 5 | Not reported | 12 of 12 |
| 2004 | 20,273 | Not reported | 12 of 12 |
| 2005 | 29,473 | Not reported | 12 of 12 |
| 2006 | 25 | Not reported | 12 of 12 |
| 2007 | 24 | Not reported | 12 of 12 |
| 2008 | 26,342 | Not reported | 12 of 12 |
| 2009 | 19,576 | Not reported | 12 of 12 |
| 2010 | 19,370 | 38.1% | 12 of 12 |
| 2011 | 16,754 | 33.0% | 12 of 12 |
| 2012 | 17,638 | 34.6% | 12 of 12 |
| 2013 | 16,000 | 31.5% | 12 of 12 |
| 2014 | 21,095 | 41.5% | 12 of 12 |
| 2015 | 19,000 | 37.4% | 12 of 12 |
| 2016 | 23,000 | 45.1% | 12 of 12 |
| 2017 | 25,883 | 50.9% | 12 of 12 |
| 2018 | 18,805 | 37.0% | 12 of 12 |
| 2019 | 22,445 | 44.2% | 12 of 12 |
| 2020 | 18,000 | 35.3% | 12 of 12 |
| 2021 | 11,000 | 21.7% | 12 of 12 |
| 2022 | 14,319 | 28.2% | 12 of 12 |
| 2023 | 23,737 | 46.7% | 12 of 12 |
| 2024 | 19,135 | 37.6% | 12 of 12 |
| 2025 | 17,443 | 34.3% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 0.8 | May 1989 |
| GEN2 | Conventional Hydroelectric | 2.5 | May 1989 |
| GEN3 | Conventional Hydroelectric | 2.5 | May 1989 |
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 Ptarmigan Res & Engy 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 Vallecito Hydroelectric
How much power does Vallecito Hydroelectric produce?
Vallecito Hydroelectric reported 17,443 MWh (17.4 GWh) of net generation in 2025, a 34.3% capacity factor on 5.8 MW of nameplate capacity.
Where is Vallecito Hydroelectric?
Vallecito Hydroelectric is in La Plata County, Colorado, at 37.3777, −107.5787. It is in the Western Area Power Administration - Rocky Mountain Region balancing area (WACM).
Who operates Vallecito Hydroelectric?
EIA-860M for August 2026 lists Ptarmigan Res & Engy Inc as the operator (EIA operator ID 27762). The operator is not always the owner.
When did Vallecito Hydroelectric start operating?
Its first generator began operating in May 1989, 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