Boulder Park
Natural gas power plant in Spokane County, Washington. 24.6 MW of nameplate capacity across 6 generators, operated by Avista Corp.
Also known as Boulder Park Peaking Unit · EIA plant 8022
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 24.6 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- May 2002First generator online
- Operator
- Avista CorpEIA operator ID 20169
- Grid
- AVABalancing authority AVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Spokane County, WA47.6972, −117.1472
- EIA plant ID
- 8022EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Boulder Park produces
Free · EIA-923Net generation, 2025
126 GWh
125,781 MWh, final
Capacity factor, 2025
58.4%
2024: 45.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
18.4–125.8
GWh a year. Low 2016, high 2025
| 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 | 8,530 | Not reported | 9 of 12 |
| 2003 | 15,237 | Not reported | 12 of 12 |
| 2004 | 15,838 | Not reported | 12 of 12 |
| 2005 | 15,838 | Not reported | 12 of 12 |
| 2006 | 17,262 | Not reported | 12 of 12 |
| 2007 | 23,313 | Not reported | 12 of 12 |
| 2008 | 20,606 | Not reported | 12 of 12 |
| 2009 | 27,763 | Not reported | 12 of 12 |
| 2010 | 10,938 | 5.1% | 12 of 12 |
| 2011 | 9,088 | 4.2% | 12 of 12 |
| 2012 | 5,577 | 2.6% | 12 of 12 |
| 2013 | 25,921 | 12.0% | 12 of 12 |
| 2014 | 14,811 | 6.9% | 12 of 12 |
| 2015 | 22,428 | 10.4% | 12 of 12 |
| 2016 | 18,358 | 8.5% | 12 of 12 |
| 2017 | 26,649 | 12.4% | 12 of 12 |
| 2018 | 47,931 | 22.2% | 12 of 12 |
| 2019 | 66,910 | 31.0% | 12 of 12 |
| 2020 | 48,140 | 22.3% | 12 of 12 |
| 2021 | 69,727 | 32.4% | 12 of 12 |
| 2022 | 81,149 | 37.7% | 12 of 12 |
| 2023 | 63,905 | 29.7% | 12 of 12 |
| 2024 | 99,023 | 45.8% | 12 of 12 |
| 2025 | 125,781 | 58.4% | 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 |
|---|---|---|---|
| 1 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
| 2 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
| 3 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
| 4 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
| 5 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
| 6 | Natural Gas Internal Combustion Engine | 4.1 | May 2002 |
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 Avista 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 Boulder Park
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Questions about Boulder Park
How much power does Boulder Park produce?
Boulder Park reported 125,781 MWh (126 GWh) of net generation in 2025, a 58.4% capacity factor on 24.6 MW of nameplate capacity.
Where is Boulder Park?
Boulder Park is in Spokane County, Washington, at 47.6972, −117.1472. It is in the Avista Corporation balancing area (AVA).
Who operates Boulder Park?
EIA-860M for August 2026 lists Avista Corp as the operator (EIA operator ID 20169). The operator is not always the owner.
When did Boulder Park start operating?
Its first generator began operating in May 2002, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page