Power Generation

Hydropower Projects

Hydroelectric power is electrical energy produced by converting the gravitational force of falling or flowing water into electricity. 

Grant PUD operates two large hydroelectric power plants on the Columbia River — Priest Rapids and Wanapum dams.  These two facilities make up the Priest Rapids Project, licensed by the Federal Energy Regulatory Commission (FERC).

Wanapum Dam

Wanapum Dam is located on the Columbia River, six miles downstream of Vantage, Wash., 18 miles upstream of Priest Rapids Dam and 415 miles above the mouth of the river.

Read more ...

Priest Rapids Dam

Priest Rapids Dam is located on the Columbia River, 24 miles south of Vantage and 200 miles downstream from Grand Coulee Dam.

Read more ...

Quincy Chute

The Quincy Chute is a small hydroelectric generating facility located on one of the main irrigation canals on the Columbia Basin Irrigation Project in Grant County. It is operated by Grant PUD under agreement with a consortium of irrigators.

Read more ...

Potholes East Canal (PEC)

The Potholes East Canal Headworks Project (PEC) is a hydroelectric generating facility. Similar to the Quincy Chute Project, PEC is operated by Grant PUD under agreement with a consortium of irrigators.

Read more ...