Box Canyon
Hydro power plant in Pend Oreille County, Washington. 90 MW of nameplate capacity across 4 generators, operated by PUD No 1 of Pend Oreille County - (WA).
Also known as Pend Oreille County Pud Dam · Box Canyon Forebay Dam · EIA plant 3891
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 90 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- June 1955First generator online
- Operator
- PUD No 1 of Pend Oreille County - (WA)EIA operator ID 14653
- Grid
- AVABalancing authority AVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Pend Oreille County, WA48.7809, −117.4183
- EIA plant ID
- 3891EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Box Canyon produces
Free · EIA-923Net generation, 2025
460 GWh
459,836 MWh, final
Capacity factor, 2025
58.3%
2024: 58.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
352.7–507.2
GWh a year. Low 2017, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 446,058 | Not reported | 12 of 12 |
| 2001 | 363,308 | Not reported | 12 of 12 |
| 2002 | 399,772 | Not reported | 12 of 12 |
| 2003 | 435,349 | Not reported | 12 of 12 |
| 2004 | 482,053 | Not reported | 12 of 12 |
| 2005 | 446,634 | Not reported | 12 of 12 |
| 2006 | 448,652 | Not reported | 12 of 12 |
| 2007 | 453,561 | Not reported | 12 of 12 |
| 2008 | 406,839 | Not reported | 12 of 12 |
| 2009 | 438,895 | Not reported | 12 of 12 |
| 2010 | 392,441 | 74.7% | 12 of 12 |
| 2011 | 403,735 | 76.8% | 12 of 12 |
| 2012 | 375,722 | Not reported | 12 of 12 |
| 2013 | 415,118 | Not reported | 12 of 12 |
| 2014 | 434,992 | 60.2% | 12 of 12 |
| 2015 | 507,236 | Not reported | 12 of 12 |
| 2016 | 487,406 | 61.7% | 12 of 12 |
| 2017 | 352,670 | 44.7% | 12 of 12 |
| 2018 | 441,606 | 56.0% | 12 of 12 |
| 2019 | 460,813 | 58.4% | 12 of 12 |
| 2020 | 448,668 | 56.8% | 12 of 12 |
| 2021 | 475,133 | 60.3% | 12 of 12 |
| 2022 | 450,197 | 57.1% | 12 of 12 |
| 2023 | 383,506 | 48.6% | 12 of 12 |
| 2024 | 464,136 | 58.7% | 12 of 12 |
| 2025 | 459,836 | 58.3% | 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 |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 22.5 | June 1955 |
| 2 | Conventional Hydroelectric | 22.5 | July 1955 |
| 3 | Conventional Hydroelectric | 22.5 | August 1955 |
| 4 | Conventional Hydroelectric | 22.5 | August 1955 |
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 PUD No 1 of Pend Oreille County - (WA) as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Box Canyon and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Box Canyon
Questions about Box Canyon
How much power does Box Canyon produce?
Box Canyon reported 459,836 MWh (460 GWh) of net generation in 2025, a 58.3% capacity factor on 90 MW of nameplate capacity.
Where is Box Canyon?
Box Canyon is in Pend Oreille County, Washington, at 48.7809, −117.4183. It is in the Avista Corporation balancing area (AVA).
Who operates Box Canyon?
EIA-860M for August 2026 lists PUD No 1 of Pend Oreille County - (WA) as the operator (EIA operator ID 14653). The operator is not always the owner.
When did Box Canyon start operating?
Its first generator began operating in June 1955, 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