Cleanview

Nuclear power plants in Minnesota

Minnesota has 2 operating nuclear power plants with 1.9 GW of capacity.

  • Operating2
MinneapolisRochesterDuluthSt. Cloud

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

The largest nuclear power plants in Minnesota

Operating, by capacity

#Nuclear power plantYear onlineCapacity
1Prairie Island19741,186 MW
2Monticello Nuclear Facility1971685 MW

Nuclear power plants that came online most recently in Minnesota

Newest first

#Nuclear power plantYear onlineCapacity
1Prairie Island19741,186 MW
2Monticello Nuclear Facility1971685 MW
The developer behind each project is on paid plans. See plans

How Cleanview tracks nuclear power plants

Operating nuclear power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about nuclear power plants in Minnesota

How many nuclear power plants are in Minnesota?
Minnesota has 2 operating utility-scale nuclear power plants with 1.9 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest nuclear power plant in Minnesota?
Prairie Island in Goodhue County, Minnesota is the largest, at 1,186 MW. It came online in 1974.
How many nuclear power plants were built in Minnesota in 2025?
0 nuclear power plants came online in Minnesota in 2025, with 0 MW of capacity.
Who is developing nuclear power plants in Minnesota?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for Minnesota

Nuclear power plants in other states

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