Skip to content
Gridcensus

Substation-Adjacent Datacenter Sites in Michigan

At a glance

Michigan has 768 substation-adjacent datacenter candidate sites, the 23rd-most of 52 states for this site type and 2% of the 38,820 substation-adjacent sites scored nationally. Substation-Adjacent land accounts for 15% of the state's 5,157 scored sites, against 26% nationally. The highest-scoring is WAYNE in Wayne County at 69.6/100 DC Readiness.

Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.

768
Substation-Adjacent sites
68.1/100
Avg score (top 25)
Michigan
State
Substation-Adjacent
Type

Top substation-adjacent sites in Michigan

Top Substation-Adjacent sites in Michigan
SiteTypeCountyVoltageCapacityQueue waitScore
WAYNESubstation-AdjacentWayne County345 kV600 MW2.2 yrs69.6
UNKNOWN128399Substation-AdjacentMacomb County345 kV600 MW2.2 yrs69.3
GAINESSubstation-AdjacentKent County345 kV600 MW2.2 yrs69.0
WEEDS LAKESubstation-AdjacentKalamazoo County345 kV600 MW2.2 yrs69.0
UNKNOWN128466Substation-AdjacentMacomb County345 kV600 MW2.2 yrs68.6
ONEIDASubstation-AdjacentEaton County345 kV600 MW2.2 yrs68.6
ST. CLAIRSubstation-AdjacentSt. Clair County345 kV600 MW2.2 yrs68.6
ARGENTASubstation-AdjacentKalamazoo County345 kV600 MW2.2 yrs68.4
SENECASubstation-AdjacentMacomb County345 kV600 MW2.2 yrs68.4
TALLMADGESubstation-AdjacentKent County345 kV600 MW2.2 yrs68.3
MILANSubstation-AdjacentWashtenaw County345 kV600 MW2.2 yrs68.3
WIXOMSubstation-AdjacentOakland County345 kV600 MW2.2 yrs68.2
UNKNOWN128507Substation-AdjacentOakland County345 kV600 MW2.2 yrs68.1
COVENTRYSubstation-AdjacentWashtenaw County345 kV600 MW2.2 yrs68.0
KENZIE CREEKSubstation-AdjacentCass County345 kV600 MW2.2 yrs68.0
UNKNOWN128451Substation-AdjacentWayne County230 kV300 MW2.2 yrs67.8
ROOSEVELTSubstation-AdjacentOttawa County345 kV600 MW2.2 yrs67.8
UNKNOWN128512Substation-AdjacentMacomb County345 kV600 MW2.2 yrs67.7
BROWNSTOWNSubstation-AdjacentWayne County345 kV600 MW2.2 yrs67.6
DEADEND167215Substation-AdjacentMacomb County345 kV600 MW2.2 yrs67.5
COOKSubstation-AdjacentBerrien County765 kV1,000 MW2.2 yrs67.4
UNKNOWN128514Substation-AdjacentMacomb County345 kV600 MW2.2 yrs67.4
KARNSubstation-AdjacentBay County345 kV600 MW2.2 yrs67.1
VERGENNESSubstation-AdjacentKent County345 kV600 MW2.2 yrs67.1
UNKNOWN128758Substation-AdjacentOttawa County345 kV600 MW2.2 yrs67.0

How does Michigan compare with other states for substation-adjacent sites?

With 768 sites, Michigan ranks 23rd of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 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 substation-adjacent sites in Michigan?

The top 25 range from 69.6 to 67.0 on the 0–100 DC Readiness Score. They are concentrated in Macomb County (6), Wayne County (3), Kent County (3) and Kalamazoo County (2). By grid region, 23 are in MISO and 2 are in PJM.

County pages: Macomb County · Wayne County · Kent County · Kalamazoo County

What power, fiber and flood exposure do these substation-adjacent sites have?

Of the top 25 substation-adjacent sites in Michigan, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 14 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 21 km. The median interconnection-queue wait in their markets is 2.2 years.

Frequently asked questions

How many substation-adjacent datacenter sites are in Michigan?

GridCensus catalogs 768 substation-adjacent datacenter candidate sites in Michigan, 2% of the national total for this type (23rd of 52 states).

What is a substation-adjacent datacenter site?

Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.

What is the best substation-adjacent datacenter site in Michigan?

By DC Readiness Score, WAYNE in Wayne County ranks first at 69.6/100, followed by UNKNOWN128399 in Macomb County at 69.3.

Which Michigan counties have the best substation-adjacent sites?

The top 25 substation-adjacent sites in Michigan are concentrated in Macomb County (6), Wayne County (3), Kent County (3) and Kalamazoo 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 substation-adjacent sites and Michigan

Substation-Adjacent 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, “Substation-Adjacent datacenter sites in Michigan”, https://gridcensus.com/site-types/substation/michigan (data as of November 12, 2026).

Go deeper than the public screen

Every site and score for Substation-Adjacent 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.

See plansTalk to us