Boulder City Silver Lake Hydro
Hydro power plant in Boulder County, Colorado. 3.3 MW of nameplate capacity across 1 generator, operated by Boulder, City of - (CO).
Also known as EIA plant 55931
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2000First generator online
- Operator
- Boulder, City of - (CO)EIA operator ID 1994
- Grid
- PSCOBalancing authority PSCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Boulder County, CO39.9913, −105.5000
- EIA plant ID
- 55931EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Boulder City Silver Lake Hydro produces
Free · EIA-923Net generation, 2025
6.17 GWh
6,171 MWh, final
Capacity factor, 2025
21.3%
2024: 32.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.2–9.9
GWh a year. Low 2025, high 2022
| 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 | 4,538 | Not reported | 12 of 12 |
| 2003 | 10,017 | Not reported | 12 of 12 |
| 2004 | 9,566 | Not reported | 12 of 12 |
| 2005 | 9,707 | Not reported | 12 of 12 |
| 2006 | 11,520 | Not reported | 12 of 12 |
| 2007 | 11,919 | Not reported | 12 of 12 |
| 2008 | 12,882 | Not reported | 12 of 12 |
| 2009 | 12,882 | Not reported | 12 of 12 |
| 2010 | 13,447 | 46.5% | 12 of 12 |
| 2011 | 14,779 | Not reported | 12 of 12 |
| 2012 | 13,153 | Not reported | 12 of 12 |
| 2013 | 9,175 | 31.7% | 12 of 12 |
| 2014 | 10,113 | 35.0% | 12 of 12 |
| 2015 | 9,614 | 33.3% | 12 of 12 |
| 2016 | 9,058 | 31.2% | 12 of 12 |
| 2017 | 9,515 | 32.9% | 12 of 12 |
| 2018 | 8,357 | 28.9% | 12 of 12 |
| 2019 | 8,589 | 29.7% | 12 of 12 |
| 2020 | 7,820 | 27.0% | 12 of 12 |
| 2021 | 8,542 | 29.5% | 12 of 12 |
| 2022 | 9,858 | 34.1% | 12 of 12 |
| 2023 | 7,974 | 27.6% | 12 of 12 |
| 2024 | 9,349 | 32.3% | 12 of 12 |
| 2025 | 6,171 | 21.3% | 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 |
|---|---|---|---|
| 0001 | Conventional Hydroelectric | 3.3 | May 2000 |
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 Boulder, City of - (CO) 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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Power plants near Boulder City Silver Lake Hydro
More plants operated by Boulder, City of - (CO)
Questions about Boulder City Silver Lake Hydro
How much power does Boulder City Silver Lake Hydro produce?
Boulder City Silver Lake Hydro reported 6,171 MWh (6.17 GWh) of net generation in 2025, a 21.3% capacity factor on 3.3 MW of nameplate capacity.
Where is Boulder City Silver Lake Hydro?
Boulder City Silver Lake Hydro is in Boulder County, Colorado, at 39.9913, −105.5000. It is in the Public Service Company of Colorado balancing area (PSCO).
Who operates Boulder City Silver Lake Hydro?
EIA-860M for August 2026 lists Boulder, City of - (CO) as the operator (EIA operator ID 1994). The operator is not always the owner.
When did Boulder City Silver Lake Hydro start operating?
Its first generator began operating in May 2000, 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