Allen S King
Allen S King is a 598 MW coal power plant in Washington County, Minnesota, operated by Northern States Power Co - Minnesota. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 1958.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 598.4 MW
- 511 MW net summer
- Generating units
- 1
- In service
- 1958
- EIA plant ID
- 1915
Where it is
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- County
- Washington County, Minnesota
- Coordinates
- 45.03, -92.7786
- Balancing authority
- MISO
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Northern States Power Co - Minnesota
- Primary energy source
- Coal
- Technologies
- Conventional Steam Coal
- Status
- Operating
Every plant Northern States Power Co - Minnesota reports to EIA →
Allen S King: FAQ
- Where is Allen S King?
- In Washington County, Minnesota (MN). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Allen S King?
- 598 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Allen S King?
- EIA-860M names Northern States Power Co - Minnesota as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Allen S King LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Northern States Power Co - Minnesota here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Allen S King LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Allen S King still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.