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Datacenter Sites in Macomb County, Michigan

Macomb County has 98 scored datacenter candidate sites averaging 58.6/100 DC Readiness, with a catalogued aggregate of 7,000 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Macomb County, Michigan has 98 scored datacenter candidate sites averaging 58.6/100 DC Readiness, roughly in line with the Michigan average of 55.3. It ranks 14th of 81 Michigan counties by number of sites and 2nd by average score. The top-scoring site is Substation-Adjacent site · 5cd259fe at 69.3/100.

98
Candidate sites
58.6/100
Avg DC Readiness
7,000 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Macomb County

Site-selection context for Macomb County

Yesproperty_tax_exemption
Datacenter tax incentive
8.81¢/kWh
Commercial electricity
4.74¢/kWh
Industrial electricity
7
Fiber providers
Low
Water stress
$7,741
Land price / acre
700
Cooling degree days
6,600
Heating degree days
45°F
Mean annual temp

Incentive detail: Personal property tax exemption for eligible DC equipment; MEGA tax credits.

How does Macomb County compare with other counties in Michigan?

By number of scored sites, Macomb County ranks 14th of the 81 Michigan counties with a county page, holding 1.9% of the state's 5,157 sites. Its average DC Readiness of 58.6/100 ranks 2nd in the state and is about 11% above the national average of 53.0. Nationally it has the 332nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 96 score 55 or higher.

What types of datacenter sites are in Macomb County?

Industrial sites are the most common (59, 60% of the county's inventory), followed by substation-adjacent (27) and greenfield (9). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Macomb County?

Industrial electricity averages 4.74¢/kWh and commercial 8.81¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (25). WRI water stress is low. 7 fiber providers report service in the county. The climate runs 700 cooling degree days a year with a mean temperature of 45°F. Land is valued around $7,741 an acre.

By site type

Top datacenter sites in Macomb County

Top datacenter sites in Macomb County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN128399Substation-Adjacent345 kV600 MW2.2 yrs69.3
UNKNOWN128466Substation-Adjacent345 kV600 MW2.2 yrs68.6
SENECASubstation-Adjacent345 kV600 MW2.2 yrs68.4
UNKNOWN128512Substation-Adjacent345 kV600 MW2.2 yrs67.7
DEADEND167215Substation-Adjacent345 kV600 MW2.2 yrs67.5
UNKNOWN128514Substation-Adjacent345 kV600 MW2.2 yrs67.4
OZ MacombGreenfield——2.2 yrs64.7
OZ MacombGreenfield——2.2 yrs64.6
OZ MacombGreenfield——2.2 yrs64.3
OZ MacombGreenfield——2.2 yrs63.8
UNKNOWN140002Substation-Adjacent120 kV100 MW2.2 yrs63.5
TAP145630Substation-Adjacent120 kV100 MW2.2 yrs63.5
UNKNOWN128904Substation-Adjacent120 kV100 MW2.2 yrs63.4
UNKNOWN157950Substation-Adjacent120 kV100 MW2.2 yrs63.0
UNKNOWN128906Substation-Adjacent120 kV100 MW2.2 yrs62.8
UNKNOWN128909Substation-Adjacent120 kV100 MW2.2 yrs62.8
UNKNOWN128903Substation-Adjacent120 kV100 MW2.2 yrs62.8
UNKNOWN130892Substation-Adjacent120 kV100 MW2.2 yrs62.8
UNKNOWN128910Substation-Adjacent120 kV100 MW2.2 yrs62.8
UNKNOWN128902Substation-Adjacent120 kV100 MW2.2 yrs62.7
TAP139996Substation-Adjacent120 kV100 MW2.2 yrs62.5
UNKNOWN128400Substation-Adjacent120 kV100 MW2.2 yrs62.1
UNKNOWN128513Substation-Adjacent120 kV100 MW2.2 yrs61.9
UNKNOWN128911Substation-Adjacent120 kV100 MW2.2 yrs61.9
TAP145624Substation-Adjacent120 kV100 MW2.2 yrs61.5

Every scored site in Macomb County

All 98 sites, best first.

Macomb County datacenter FAQ

How many datacenter sites are in Macomb County?

98 scored datacenter candidate sites, averaging 58.6/100 DC Readiness. That is the 14th-most of 81 Michigan counties with five or more sites.

What is the highest-scoring datacenter site in Macomb County?

Substation-Adjacent site · 5cd259fe scores 69.3/100 DC Readiness, the highest of the 98 scored sites in Macomb County (a substation-adjacent site).

Does Macomb County offer datacenter tax incentives?

Personal property tax exemption for eligible DC equipment; MEGA tax credits.

What is the natural-hazard risk in Macomb County?

FEMA's National Risk Index rates Macomb County as "Relatively Moderate" (score 25).

What are industrial electricity rates in Macomb County?

Average industrial electricity is 4.74¢/kWh and commercial is 8.81¢/kWh in Macomb County.

More in Michigan

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, “Datacenter candidate sites in Macomb County, Michigan”, https://gridcensus.com/datacenter-sites/michigan/macomb-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Macomb County, 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.

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