Superior Generation Energy Center
BrownfieldSuperior, Douglas, Wisconsin · ALLETE, Inc.
Superior Generation Energy Center is a natural gas plant in Superior, Douglas, Wisconsin. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 170 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.
Former use & capacity
Grid hookup & remediation
Site conditions & market — Douglas County
County-level intelligence for this site's location — the power economics, water, hazard, connectivity, and workforce a developer screens before ever visiting. Assembled from FEMA NRI, BLS QCEW, FCC BDC, USGS water-use, and EIA.
Market & workforce
Power economics & interconnection
Water & cooling
Hazard, flood & connectivity
County-level context — address-level utility offerings and flood zoning vary within the county. Confirm site-specific service with the utility and a Phase I ESA.
Nearby brownfield & retired-generation sites
A proximity screen of other retired-plant, contaminated, and EPA-flagged sites near Superior Generation Energy Center — the environmental neighborhood, ranked by legacy grid capacity.
| Site | Former use | Legacy MW | Distance | Cleanup status |
|---|---|---|---|---|
| M L Hibbard | oil plant | 50 | 5.3 mi | — |
| Sappi Cloquet Mill | former biomass site | 2 | 17.7 mi | — |
Derived from GridCensus's retired-generator & EPA brownfield dataset. Not a substitute for an ASTM E1527 Phase I environmental radius report.
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Nearby datacenter candidate sites
Scored candidate sites near Superior Generation Energy Center, ranked by DC Readiness.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| ARROWHEAD | Substation-Adjacent | MN | Carlton County | 345 kV | 600 MW | 2.8 yrs | 65.6 |
| OZ St. Louis | Greenfield | MN | St. Louis | — | — | 1.4 yrs | 65.1 |
| HILLTOP 230/115KV | Substation-Adjacent | MN | Carlton County | 230 kV | 300 MW | 2.8 yrs | 64.1 |
| TAP135605 | Substation-Adjacent | MN | Carlton County | 230 kV | 300 MW | 2.8 yrs | 63.8 |
| OZ St. Louis | Greenfield | MN | St. Louis | — | — | 1.4 yrs | 63.5 |
| EC Near M L Hibbard | Greenfield | MN | Carlton | — | — | 1.4 yrs | 62.7 |
| STINSON | Substation-Adjacent | WI | Douglas County | 161 kV | 100 MW | 2.8 yrs | 62.3 |
| TAP135623 | Substation-Adjacent | MN | Douglas County | 115 kV | 100 MW | 2.8 yrs | 61.1 |
Nearby internet exchanges
- ark data centers - Duluth, MNDuluth, MN · 5 networks
- Duluth MissabeDuluth, MN · 3 networks
- 421 N 6th Ave EastDuluth, MN · 2 networks
See all datacenter sites in Wisconsin →
Dataset updated . Screening estimates derived from public data sources.
Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.
Go deeper than the public screen
Every site and score for Superior Generation Energy Center, Superior, Douglas, Wisconsin is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.