1186.2 MW Nuclear operating in Goodhue, MN — Midcontinent Independent Transmission System Operator, Inc..
1,186.2 MW
Nameplate Capacity
2
Generators
units
Nuclear
Technology
1974
Operating Since
Coordinates
44.6220, -92.6333
County
Goodhue, 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 Prairie Island Nuclear Generating Plant is an electricity-generating facility located in Red Wing, Minnesota, along the Mississippi River, and adjacent to the Prairie Island Indian Community reservation.
Read more on WikipediaPrairie Island is a nuclear power plant located in Goodhue County, Minnesota. The plant is owned and operated by Northern States Power Co - Minnesota, a subsidiary of Xcel Energy. Commissioned in 1974, it has a total capacity of 1186.2 MW across two nuclear generators. Prairie Island operates within the Midcontinent Independent Transmission System Operator (MISO) market and balancing authority.
The plant is the largest of two nuclear plants in Minnesota, and ranks 42nd out of 55 nuclear plants nationally. The latest annual generation data shows an output of 8,557,409 MWh, achieving a capacity factor of 82.4%. Financial data indicates an installed cost of $1771.94 per kW, based on FERC filings.
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
828.9K MWh
Latest Month
8.6M MWh
Annual Generation
82.4%
Capacity Factor
$2,045/kW
Installed Cost
$40.0/MWh
Operating Cost
Northern States Power Company (Minnesota)
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Prairie Island Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
NSP PR_ISLD PR_ISL_1_UNIT
Pricing Hub
MINN.HUB
Node Source
EIA-860 direct report
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