685 MW Nuclear operating in Wright, MN — Midcontinent Independent Transmission System Operator, Inc..
685 MW
Nameplate Capacity
1
Generators
unit
Nuclear
Technology
1971
Operating Since
Coordinates
45.3338, -93.8493
County
Wright, MN
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | Northern States Power | Xcel Energy |
| Owner(s) | Northern States Power Co - Minnesota | Xcel Energy | — |
| Status | Operating | operating | — |
The Monticello Nuclear Generating Plant is a nuclear power plant located in Monticello, Minnesota, along the Mississippi River. The site, which began operating in 1971, has a single nuclear reactor of the General Electric BWR-3 design generating 671 MWe. The plant is owned by Xcel Energy and operated by Northern States Power, its regional subsidiary.
Read more on WikipediaThe Monticello Nuclear Facility is a 685 MW nuclear power plant located in Wright County, Minnesota. It began operating in 1971 and is owned and operated by Northern States Power Co - Minnesota, a subsidiary of Xcel Energy. The plant utilizes a single nuclear generator. Monticello is the second-largest of two nuclear plants in Minnesota, and ranks 53rd out of 55 nuclear plants nationally.
In the most recent year of record, the plant generated 4,655,912 MWh of electricity, achieving a capacity factor of 77.7%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and is located in the MRO NERC region. Financial data indicates an installed cost of $2400 per kW, according to FERC data.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
345 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
467.3K MWh
Latest Month
4.7M MWh
Annual Generation
77.7%
Capacity Factor
$2,562/kW
Installed Cost
$31.4/MWh
Operating Cost
Northern States Power Company (Minnesota)
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
NSP MNTCELO MNTCEL_1_UNIT
Pricing Hub
MINN.HUB
Node Source
EIA-860 direct report
Xcel Energy Cleaning Up and Evaluating Oil Leak at Monticello Nuclear Facility
Xcel Energy says it is cleaning up and monitoring an oil leak incident at the Monticello Nuclear Power Generating Facility.
Patriot News MN
Last week, State of MN and Xcel Energy officials released information to the public about a water leak that was discovered in November,...
Nuclear Plant In US Leaked 4 Lakh Gallons Of Radioactive Water
A Minnesota nuclear power plant released at least 400000 gallons of radioactive water in November but the spill was finally made public on...
Xcel Energy Considering Nuclear Operator Role at Idaho NuScale SMR Plant
Xcel Energy is exploring a role as operator of the 462-MWe Carbon-Free Power Project (CFPP), potentially becoming a key member of the first-of-its-kind small...
Last updated 2026-03-14
View all articles