Prairie Island Nuclear Power Plant


Location: Welch, Minnesota (28 miles southeast of Twin Cities)

Generation: Two units - 1,060 Mw (Megawatts) total

Reactor type: Pressurized water

Date of commercial operation: Unit 1-Dec. 4, 1973 to the present; Unit 2-Dec. 21, 1974 to the present

Ownership: Northern States Power Company, a subsidiary of Xcel Energy Inc.


Last revised December 22, 2015