List of power stations in Oregon

Columns: Name | Location | Type | Capacity ( MW ) | Operator | Year opened
John Day Dam | Columbia River ( also WA ) | Hydro | 2,160 | United States Army Corps of Engineers | 1971 | The Dalles Dam | Columbia River ( also WA ) | Hydro | 2,100 | United States Army Corps of Engineers | 1957 | Bonneville Dam | Columbia River ( also WA ) | Hydro | 1,218 | United States Army Corps of Engineers | 1937 | McNary Dam | Columbia River ( also WA ) | Hydro | 980 | United States Army Corps of Engineers | 1954 | Brownlee Dam | Snake River | Hydro | 585 | Idaho Power Company | 1958 | Hells Canyon Dam | Snake River | Hydro | 391 | Idaho Power Company | 1967 | Round Butte Dam | Deschutes River | Hydro | 225 | Portland General Electric | 1964

Example questions:
What is the MW of the Oregon Hydroelectric station that creates the impoundment Lake Harriet ? | What is the location of the Oregon Hydroelectric station whose reservoir is called Lake Billy Chinook ? | What is the opened year of the Oregon Hydroelectric station whose location is 1,243 miles ( 2,000 km ) long ? | What is the MW of the Oregon Hydroelectric station whose operator covers a 24,000-square-mile ( 62,000 km2 ) service area ?

Answers:
44 | Deschutes River | 1954 | 391