Datacenter Sites in Washtenaw County, Michigan
Washtenaw County has 150 scored datacenter candidate sites averaging 57.9/100 DC Readiness, with a catalogued aggregate of 4,213 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Washtenaw County, Michigan has 150 scored datacenter candidate sites averaging 57.9/100 DC Readiness, roughly in line with the Michigan average of 55.3. It ranks 8th of 81 Michigan counties by number of sites and 5th by average score. The top-scoring site is MILAN at 68.3/100.
Site-selection context for Washtenaw County
Incentive detail: Personal property tax exemption for eligible DC equipment; MEGA tax credits.
How does Washtenaw County compare with other counties in Michigan?
By number of scored sites, Washtenaw County ranks 8th of the 81 Michigan counties with a county page, holding 2.9% of the state's 5,157 sites. Its average DC Readiness of 57.9/100 ranks 5th in the state and is roughly in line with the national average of 53.0. Nationally it has the 176th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 143 score 55 or higher.
What types of datacenter sites are in Washtenaw County?
Industrial sites are the most common (94, 63% of the county's inventory), followed by substation-adjacent (20) and greenfield (17). 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 Washtenaw County?
Industrial electricity averages 4.89¢/kWh and commercial 9.37¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (25). WRI water stress is low. 17 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 $7,616 an acre.
By site type
Top datacenter sites in Washtenaw County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MILAN | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 68.3 |
| COVENTRY | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 68.0 |
| MAJESTIC | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 66.7 |
| EC Near University of Michigan | Greenfield | — | — | 2.2 yrs | 65.7 |
| EC Near East. Michigan Univ. Heating Plant | Greenfield | — | — | 2.2 yrs | 65.3 |
| OZ Washtenaw | Greenfield | — | — | 2.2 yrs | 65.1 |
| OZ Washtenaw | Greenfield | — | — | 2.2 yrs | 64.7 |
| PIONEER | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 63.8 |
| EC Near GRS Lyon | Greenfield | — | — | 2.2 yrs | 63.5 |
| OZ Washtenaw | Greenfield | — | — | 2.2 yrs | 63.4 |
| EC Near GRS Lyon | Greenfield | — | — | 2.2 yrs | 62.8 |
| APEX | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.7 |
| UNKNOWN128658 | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.7 |
| PHOENIX | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.6 |
| SUPERIOR | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.5 |
| TAP137297 | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.4 |
| University of Michigan | Brownfield | — | 4 MW | 2.2 yrs | 62.4 |
| LARK | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.4 |
| COLLINS | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.3 |
| SCOTTSDALE | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.2 |
| TAP137299 | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.2 |
| TAP138715 | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.2 |
| BLACKSTONE | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 62.1 |
| UNKNOWN128457 | Substation-Adjacent | 120 kV | 100 MW | 2.2 yrs | 61.9 |
| OZ Washtenaw | Greenfield | — | — | 2.2 yrs | 61.6 |
Every scored site in Washtenaw County
All 150 sites, best first.
- MILAN · 68.3
- COVENTRY · 68.0
- MAJESTIC · 66.7
- EC Near University of Michigan · a0d9033d · 65.7
- EC Near East. Michigan Univ. Heating Plant · 6564ce84 · 65.3
- OZ Washtenaw · 72ee549a · 65.1
- OZ Washtenaw · 70defc53 · 64.7
- PIONEER · 63.8
- EC Near GRS Lyon · d8bb1244 · 63.5
- OZ Washtenaw · 039f8a66 · 63.4
- EC Near GRS Lyon · 7a86ad9b · 62.8
- Substation-Adjacent site · 7eca932b · 62.7
- APEX · 62.7
- PHOENIX · 62.6
- SUPERIOR · 62.5
- University of Michigan · 62.4
- Substation-Adjacent site · 21d07410 · 62.4
- LARK · 62.4
- COLLINS · 62.3
- Substation-Adjacent site · bcb456fd · 62.2
- SCOTTSDALE · 62.2
- Substation-Adjacent site · 0f208ad5 · 62.2
- BLACKSTONE · 62.1
- Substation-Adjacent site · 4448f854 · 61.9
- EC Near University of Michigan · e6f5de6e · 61.6
- OZ Washtenaw · 825a565c · 61.6
- EC Near University of Michigan · ce1b9f5b · 61.5
- EC Near University of Michigan · f813dfd5 · 61.4
- East. Michigan Univ. Heating Plant · 61.4
- EC Near University of Michigan · c52a4999 · 61.4
- Substation-Adjacent site · b165e7a9 · 61.4
- Substation-Adjacent site · 6438d490 · 60.8
- PARR ROAD · 60.3
- Greenfield (UNKNOWN128389 - MAJESTIC) · 60.2
- Substation-Adjacent site · 719a6319 · 60.0
- EC Near East. Michigan Univ. Heating Plant · 327b3247 · 59.6
- GRS Lyon · 59.4
- EC Near University of Michigan · b635bbab · 59.4
- EC Near University of Michigan · 4f48538e · 59.1
- Blank Slate Creamery · 57.7
- 2502-2568 Packard Street Property · 57.7
- 611 East University · 57.7
- 226 West Liberty · 57.7
- 202 and 212 South Division · 57.7
- 200 South Ashley Street · 57.7
- 3005 Packard Road Property · 57.6
- 2270 Platt Road · 57.5
- ANN ARBOR MUNICIPAL AIRPORT · 28460a15 · 57.4
- 1140 Broadway · 56.8
- Former DPW Yard (AA) · 56.8
- 800 North Main Street · 56.8
- 1012 Pontiac Trail · 56.8
- Pittsfield Township Property 2 · 56.7
- 600 North Maple Road · 56.7
- Diehl Salvage Yard · 56.7
- North Maple and Dexter Avenue · 56.7
- 2330, 2340 and 2344 Dexter Avenue · 56.7
- Pittsfield Township Property 1 · 56.6
- Proposed Ozone House · 56.5
- High Scope Foundation · 56.5
- JJ's Hair Salon and Car Wash · 56.5
- 147, 159, and 185 West Michigan Avenue · 56.5
- Paschall · 56.5
- Auton · 56.5
- 918-924 West Michigan Avenue · 56.5
- 120-124 W. Michigan Avenue · 56.5
- Pate-144 East Michigan Avenue · 56.5
- Shops at Washtenaw · 56.5
- Massey · 56.5
- 2350 Washtenaw · 56.5
- 4133 Washtenaw · 56.5
- Water Street Redevelopment Project Area AOC#2 · 56.5
- Water Street Redevelopment Project AOC #5 · 56.5
- Water Street Walking Path · 56.5
- Gilbert Park · 56.5
- Pate -109 South Parsons Stree · 56.5
- First Class Cleaning Service · 56.5
- Alamat · 56.5
- Lee · 56.5
- Havranek #2 · 56.5
- Logan's Landscaping · 56.5
- Kenyon Enterprises · 56.5
- Former Farm Bureau Property · 56.5
- Hijazi · 56.5
- 500 North Congress · 56.5
- Lowell's Towing · 56.5
- 200 N. Ann Arbor · 56.5
- Former Ypsilanti Landfill · 56.5
- Duke · 56.5
- Milan, FCI · f5274244 · 56.5
- Griffin · 56.5
- Milan, FCI · e8955807 · 56.5
- Plasber Inc. - Rim #26 · 56.5
- Canton Analytical Labs · 56.5
- Ypsilanti Iron and Metal · 56.5
- Ann Arbor VA Medical Center · dbf7fb6e · 56.5
- Silvertone Plating Company (B) · 56.5
- Pate - 17 South River Street · 56.5
- Superior Township Property 1 · 56.5
- Water Street Redevelopment Project AOC#1 · 56.5
- Johnston · 56.5
- Walters Heating and Cooling · 56.5
- 30 Kramer Property · 56.5
- Havranek #1 · 56.5
- UCC Development Project · 56.5
- Huron Trade Center · 56.5
- SALEM/NORTHVILLE MICHIGAN · 0d4f878b · 56.4
- Mine Site · 0dfb3c30 · 56.4
- 1196 Ecorse Road · 56.4
- First Class Cleaning Supply & Flooring · 56.4
- 1165 Ecorse Road · 56.4
- 2801 Holmes Road · 56.3
- Ypsilanti Township Property 1 · 56.3
- 3105 E Michigan Ave · 56.3
- SEC of East Michigan Ave. and Wiard Road · 56.3
- Christian Love Fellowship Ministries International · 56.3
- Superior Property 2 Dixboro · 56.2
- Plasber Inc. Vacant River Street · 56.2
- Bazley Boulevard · 56.2
- OAR LABORATORY - ANN ARBOR · 6dd273cc · 56.2
- 7890 Ann Arbor Street · 56.1
- Norfolk Homes Redevelopment · 56.1
- Corners at Dixboro · 56.1
- 9800 Plymouth-Ann Arbor Road · 56.1
- American Foundry Property · 56.1
- Salt Storage Property · 56.1
- 2635 Bridge Road · 56.1
- Grand Street Development · 56.1
- Milan, FCI · f156aed3 · 55.9
- Milan, FCI · 4da9784d · 55.8
- Mine Site · 36ab99be · 55.8
- 501 N. Main Street (Chelsea Property #3) · 55.7
- Longworth Plating Building · 55.7
- SALEM/NORTHVILLE MICHIGAN · 154c4882 · 55.7
- Chelsea Property · 55.7
- 525 N. Main Street · 55.7
- 140 Buchanan Property · 55.7
- Former Federal Screw · 55.7
- Mine Site · 4477655f · 55.6
- Old Manchester Road · 55.6
- Greenfield (PHOENIX - COVENTRY) · 55.6
- Old US-12 Property · 55.6
- Mine Site · f1acdf6a · 55.3
- West Middle Street · 54.9
- Mine Site · 1a9957b9 · 54.5
- Mine Site · 28114dc6 · 54.1
- Mine Site · fdc868c8 · 54.0
- Manchester Market · 53.9
- Manchester Village Property 1 · 53.9
- Manchester Mill Property · 53.9
Washtenaw County datacenter FAQ
How many datacenter sites are in Washtenaw County?
150 scored datacenter candidate sites, averaging 57.9/100 DC Readiness. That is the 8th-most of 81 Michigan counties with five or more sites.
What is the highest-scoring datacenter site in Washtenaw County?
MILAN scores 68.3/100 DC Readiness, the highest of the 150 scored sites in Washtenaw County (a substation-adjacent site).
Does Washtenaw County offer datacenter tax incentives?
Personal property tax exemption for eligible DC equipment; MEGA tax credits.
What is the natural-hazard risk in Washtenaw County?
FEMA's National Risk Index rates Washtenaw County as "Relatively Moderate" (score 25).
What are industrial electricity rates in Washtenaw County?
Average industrial electricity is 4.89¢/kWh and commercial is 9.37¢/kWh in Washtenaw County.
More in Michigan
- All datacenter sites in Michigan· 5,157 sites
- Operating datacenters in Michigan
- Electric substations in Michigan
- Wayne County· 569 sites · avg 57.9
- Oakland County· 354 sites · avg 57.2
- Kent County· 242 sites · avg 57.7
- Saginaw County· 199 sites · avg 53.0
- Calhoun County· 174 sites · avg 54.4
- Genesee County· 174 sites · avg 54.6
- Industrial sites in Michigan
- Substation-Adjacent sites 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 Washtenaw County, Michigan”, https://gridcensus.com/datacenter-sites/michigan/washtenaw-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 Washtenaw 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.