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Gridcensus

Brownfield Datacenter Sites in Michigan

At a glance

Michigan has 21 brownfield datacenter candidate sites, the 10th-most of 49 states for this site type and 3% of the 771 brownfield sites scored nationally. Brownfield land accounts for 0.4% of the state's 5,157 scored sites, against 0.5% nationally. The highest-scoring is Conners Creek in Wayne County at 68.1/100 DC Readiness.

Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.

21
Brownfield sites
59.0/100
Avg score (top 25)
Michigan
State
Brownfield
Type

Top brownfield sites in Michigan

Top Brownfield sites in Michigan
SiteTypeCountyFormer useVoltageCapacityQueue waitScore
Conners CreekBrownfieldWayne Countygas—275 MW2.2 yrs68.1
Burcham Park LandfillBrownfieldInghamlandfill138 kV0 MW2.2 yrs66.5
Coldwater Board of Public Utilities Solar Field ParkBrownfieldBranchbrownfield—1 MW2.2 yrs65.1
Harbor BeachBrownfieldHuroncoal120 kV125 MW2.2 yrs64.0
University of MichiganBrownfieldWashtenaw Countygas—4 MW2.2 yrs62.4
Wood RoadBrownfieldClinton Countygas—5 MW2.2 yrs61.6
East. Michigan Univ. Heating PlantBrownfieldWashtenaw Countygas—4 MW2.2 yrs61.4
Autumn Hills Generating FacilityBrownfieldOttawa Countygas—3 MW2.2 yrs59.9
GRS LyonBrownfieldWashtenaw Countygas—5 MW2.2 yrs59.4
Battle Creek MillBrownfieldCalhoun Countygas—1 MW2.2 yrs58.7
LowellBrownfieldKent Countygas—4 MW2.2 yrs58.6
Pine StreetBrownfieldTuscola Countygas—7 MW2.2 yrs57.9
Decorative Panels IntlBrownfieldAlpena Countygas—8 MW2.2 yrs57.5
Mitchell-BentleyBrownfieldWexfordmanufacturing—1 MW2.2 yrs57.5
StraitsBrownfieldEmmet Countygas—20 MW2.2 yrs57.3
ScottvilleBrownfieldMason Countyoil—4 MW2.2 yrs57.2
WyandotteBrownfieldWayne Countygas—30 MW2.2 yrs56.7
HillsdaleBrownfieldHillsdale Countyoil—17 MW2.2 yrs56.5
HoistBrownfieldMarquette Countyhydro—1 MW2.2 yrs55.3
Cargill SaltBrownfieldSt. Clair Countycoal—1 MW2.2 yrs52.1
Marshall (MI)BrownfieldCalhoun Countygas—2 MW2.2 yrs46.3

How does Michigan compare with other states for brownfield sites?

With 21 sites, Michigan ranks 10th of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Michigan averages 55.3, the 15th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 2.2 years.

Where are the highest-scoring brownfield sites in Michigan?

The top 21 range from 68.1 to 46.3 on the 0–100 DC Readiness Score. They are concentrated in Washtenaw County (3), Wayne County (2) and Calhoun County (2). By grid region, 21 are in MISO.

County pages: Washtenaw County · Wayne County · Calhoun County · Ingham

What power, fiber and flood exposure do these brownfield sites have?

Of the top 21 brownfield sites in Michigan, 2 have a recorded nearest-substation voltage, with a median of 129 kV; for 0 that substation is rated 230 kV or higher. Their counties have a median of 12 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 40 km. The median interconnection-queue wait in their markets is 2.2 years. 3 of the 21 with a mapped FEMA flood zone sit in a high-risk (A or V) zone.

Frequently asked questions

How many brownfield datacenter sites are in Michigan?

GridCensus catalogs 21 brownfield datacenter candidate sites in Michigan, 3% of the national total for this type (10th of 49 states).

What is a brownfield datacenter site?

Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.

What is the best brownfield datacenter site in Michigan?

By DC Readiness Score, Conners Creek in Wayne County ranks first at 68.1/100, followed by Burcham Park Landfill in Ingham at 66.5.

Which Michigan counties have the best brownfield sites?

The top 21 brownfield sites in Michigan are concentrated in Washtenaw County (3), Wayne County (2) and Calhoun County (2).

How does Michigan score for datacenters overall?

All 5,157 scored sites in Michigan average 55.3/100 DC Readiness, the 15th-highest of 52 states, against a national average of 53.0.

More on brownfield sites and Michigan

Brownfield sites in other states

Dataset updated . Screening estimates derived from public data sources.

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Brownfield datacenter sites in Michigan”, https://gridcensus.com/site-types/brownfield/michigan (data as of November 12, 2026).

Go deeper than the public screen

Every site and score for Brownfield sites in Michigan 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.