Steamboat III
Geothermal and solar power plant in Washoe County, Nevada. 26.1 MW of nameplate capacity across 3 generators, operated by Steamboat Development Corp.
Also known as EIA plant 54666
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 26.1 MWGeothermal 20.6 · Solar 5.5
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- October 1992First generator online
- Operator
- Steamboat Development CorpEIA operator ID 18031
- Grid
- NEVPBalancing authority NEVP
- Price nodes
- None linkedNo verified ISO node
- Location
- Washoe County, NV39.3944, −119.7475
- EIA plant ID
- 54666EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Steamboat III produces
Free · EIA-923Net generation, 2025
72.7 GWh
72,693 MWh, final
Capacity factor, 2025
31.8%
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
44.1–73.9
GWh a year. Low 2022, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 126,208 | Not reported | 12 of 12 |
| 2002 | 118,102 | Not reported | 12 of 12 |
| 2003 | 120,454 | Not reported | 12 of 12 |
| 2004 | 122,122 | Not reported | 12 of 12 |
| 2005 | 112,161 | Not reported | 12 of 12 |
| 2006 | 101,837 | Not reported | 12 of 12 |
| 2007 | 66,210 | Not reported | 12 of 12 |
| 2008 | 80,791 | Not reported | 12 of 12 |
| 2009 | 112,890 | Not reported | 12 of 12 |
| 2010 | 111,280 | 69.8% | 12 of 12 |
| 2011 | 111,342 | 69.8% | 12 of 12 |
| 2012 | 92,340 | 57.8% | 12 of 12 |
| 2013 | 84,958 | 53.3% | 12 of 12 |
| 2014 | 76,104 | 47.7% | 12 of 12 |
| 2015 | 73,873 | 46.3% | 12 of 12 |
| 2016 | 70,857 | 44.3% | 12 of 12 |
| 2017 | 64,906 | 40.7% | 12 of 12 |
| 2018 | 61,746 | 38.7% | 12 of 12 |
| 2019 | 61,883 | 38.8% | 12 of 12 |
| 2020 | 57,246 | 35.8% | 12 of 12 |
| 2021 | 54,152 | 34.0% | 12 of 12 |
| 2022 | 44,104 | 27.7% | 12 of 12 |
| 2023 | 14,098 | Not reported | 2 of 12 |
| 2024 | 69,354 | Not reported | 12 of 12 |
| 2025 | 72,693 | 31.8% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| SB3SL | Solar Photovoltaic | 5.5 | November 2023 |
| T301 | Geothermal | 10.3 | October 1992 |
| T302 | Geothermal | 10.3 | October 1992 |
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 Steamboat Development Corp as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Steamboat III
More plants operated by Steamboat Development Corp
Questions about Steamboat III
How much power does Steamboat III produce?
Steamboat III reported 72,693 MWh (72.7 GWh) of net generation in 2025, a 31.8% capacity factor on 26.1 MW of nameplate capacity.
Where is Steamboat III?
Steamboat III is in Washoe County, Nevada, at 39.3944, −119.7475. It is in the Nevada Power Company balancing area (NEVP).
Who operates Steamboat III?
EIA-860M for August 2026 lists Steamboat Development Corp as the operator (EIA operator ID 18031). The operator is not always the owner.
Is Steamboat III a geothermal or a solar plant?
Both. Geothermal capacity totals 20.6 MW and solar capacity totals 5.5 MW.
When did Steamboat III start operating?
Its first generator began operating in October 1992, 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