Box Canyon — Plant Summary
- EIA Plant ID
- 3891
- Capacity
- 90 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Pend Oreille, WA
- Operating Since
- 1955
- Generators
- 4
- Operator
- PUD No 1 of Pend Oreille County
- Parent Company
- —
- Annual Generation
- 464,136 MWh
- Capacity Factor
- 58.7%
- Balancing Authority
- Avista Corporation
- ISO/RTO
- —
- NERC Region
- WECC
Box Canyon
OperatingHydro
Ranked #25 of 75 Hydro plants in WA#207 of 1454 nationally
90 MW Hydro operating in Pend Oreille, WA — Avista Corporation
EIAGEMWD
90 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1955
Operating Since
Location
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PUD No 1 of Pend Oreille County | Pend Oreille County Public Utility District | — |
| Owner(s) | PUD No 1 of Pend Oreille County | Pend Oreille County Public Utility District [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Pend Oreille County Public Utility District [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Box Canyon Dam is a gravity-type hydroelectric dam on the Pend Oreille River, in northeastern Washington state in the United States.
Read more on WikipediaBox Canyon is a 90 MW hydroelectric power plant located in Pend Oreille County, Washington. The plant began operating in 1955 and consists of four generators utilizing conventional hydroelectric technology. It is owned and operated by PUD No 1 of Pend Oreille County. The plant's primary fuel source is water (WAT).
In the most recent year with available data, Box Canyon generated 464,136 MWh of electricity, achieving a capacity factor of 58.7%. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Avista Corporation. Box Canyon ranks as the 25th largest power plant out of 75 in Washington, and 209th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Avista Corporation
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
32.0K MWh
Latest Month
464.1K MWh
Annual Generation
58.7%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Deals·ppa
Clark Public Utilities to buy energy produced at Box Canyon Dam
Northeastern Washington's Pend Oreille River is officially helping power Clark County homes. And more clean energy is on the way.
Clark Public Utilities (buyer)Box Canyon Dam (operator)
Camas-Washougal Post-Record·2 months ago
Hazards·drought
Rescuers Build 700-Foot Flume to Protect Bull Trout in Drought in Kittitas County
KITTITAS COUNTY — With 2025 marking the third consecutive year of drought in the Yakima River Basin, state biologists and conservation...
Source ONE News·3 months ago
Industry·corporate
Metaline incorporates on October 6, 1948.
On October 6, 1948, Metaline incorporates as a town of the fourth class. Metaline is in the northeastern part of Pend Oreille County,...
HistoryLink.org·7 months ago
Industry·corporate
This Is the Most Beautiful Town in Colorado
The place could live on location alone. Yet it also has historic architecture, a great main street, and world-class festivals.
Outside Magazine·7 months ago
Last updated 2026-03-14
View all 10 articles