Seven Mile Dam is a concrete gravity-type
hydroelectric
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
dam
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
on the
Pend d'Oreille River 15 km SE of
Trail
A trail, also known as a path or track, is an unpaved lane or a small paved road (though it can also be a route along a navigable waterways) generally not intended for usage by motorized vehicles, usually passing through a natural area. Ho ...
, 18 km downstream from
Boundary Dam and 9 km upstream from
Waneta Dam
The Waneta Dam is a concrete gravity-type hydroelectric dam on the Pend d'Oreille River in the Canadian province of British Columbia. It lies downstream of Seven Mile Dam at the Pend d'Oreille's confluence with the Columbia River. It is located ...
in the
Canadian province
Canada has ten provinces and three territories that are sub-national administrative divisions under the jurisdiction of the Constitution of Canada, Canadian Constitution. In the 1867 Canadian Confederation, three provinces of British North Amer ...
of
British Columbia
British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
. The power plant has a capacity of 848 MW and generates 3200 GWh per year. The May, June and early July flow of the river in most years, is greater than the plants capacity. During these times water is spilled, not used to generate power. The reservoir is 420 ha (1,040 acres), which includes 170 ha (425 acres) of flooded river channel. Under the
Canal Plant Agreement operations are coordinated with
Waneta Dam
The Waneta Dam is a concrete gravity-type hydroelectric dam on the Pend d'Oreille River in the Canadian province of British Columbia. It lies downstream of Seven Mile Dam at the Pend d'Oreille's confluence with the Columbia River. It is located ...
.
[ BC Hydro]
See also
*
List of dams in the Columbia River watershed
*
List of generating stations in BC
References
Dams in British Columbia
Hydroelectric power stations in British Columbia
Regional District of Kootenay Boundary
Dams completed in 1979
Dams on the Pend Oreille River
Gravity dams
BC Hydro
Publicly owned dams in Canada
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