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598.4 MW Sub. Coal operating in Washington, MN
598.4 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
1958
Operating Since
Coordinates
45.0300, -92.7786
County
Washington, MN
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | — | — |
| Owner(s) | Northern States Power Co - Minnesota | — | — |
| Status | Operating | — | — |
The Allen S King power plant is located in Washington County, Minnesota. It has a total capacity of 598.4 MW and began operating in 1958. The plant is owned and operated by Northern States Power Co - Minnesota. It utilizes a single generator with conventional steam coal technology, using subbituminous coal (SUB) as its primary fuel. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. balancing authority and the MRO NERC region.
In the most recent year with available data, the Allen S King plant generated 918,722 MWh of electricity, achieving a capacity factor of 17.4%. The plant's installed cost was $1161.16 per kW, according to FERC data. Allen S King is ranked as the 3rd largest of 4 coal plants in Minnesota, and 51st of 75 coal plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
159.3K MWh
Latest Month
918.7K MWh
Annual Generation
17.4%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
2349 lb/MWh
NOx
1 lb/MWh
SO₂
1 lb/MWh
CH₄
0.250 lb/MWh
N₂O
0.036 lb/MWh
Capacity Factor
17.7%
Annual Net Gen
928 GWh
CO₂eq
2365 lb/MWh
Subregion
MRO West
Steam turbine · Northern States Power Company (Minnesota) · Data from 2015–2022
$1,198/kW
Installed Cost
$-0/kW
Annual CapEx
$47.7/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
King Plant Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
NSP KING KING_1_UNIT
Pricing Hub
MINN.HUB
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
View all 10 articlesForward forecasts, scenario decomposition, and risk-decision tooling for this asset.