United States · 45.334, -93.849Monticello
Monticello, nuclear power plant in United States, operates one boiling water reactor with 628 MW net installed capacity and has been in service since 1971.
Unit Monticello has been operating for 55 years, since 1971. Its 628 MW net are enough to supply about 1,980,000 households.
- Country
- United States
- Units
- 1
- Technology
- BWR
- Net capacity
- 628 MWe
- First grid connection
- 1971
- Operator
- Northern States Power
- Owner
- Xcel Energy Inc
- Status
- Operating
See also: alerts for this plant · every plant in United States · Nuclear power plants in Minnesota · Vendor: General Electric · every BWR reactor · how a BWR works
Operating capacity
628 MWe
net electrical
Units
1
1 operating
First start-up
1971
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Licence until | Load factor |
|---|---|---|---|---|---|---|---|---|---|---|
| Monticello | Boiling water (BWR) | GE BWR/3, Mark I containment (BWR-3 (Mark 1)) | Operating | 628 | 2,004 | Jun 19, 1967 | Mar 5, 1971 | — | Sep 8, 2030 | 99.5 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Monticello, a 628 MWe BWR (GE BWR/3, Mark I containment (BWR-3 (Mark 1))), started construction in 1967, was connected to the grid in 1971 and is still operating, with a 99.6% load factor in 2024.
Operator: Northern States Power.
Owner: Xcel Energy Inc.