Marshall Technology & Energy Center, Brooks Industrial Park
Also called: Marshall Technology & Energy Center
Alterra Development wants to build a data center on about 270 acres in Marshall's Brooks Industrial Park, near a wetland and lake. It was first planned at 1 gigawatt with a gas plant; the company later dropped the gas plant. The city paused approvals for a year to write noise rules.
Where things stand: City approved a one-year pause on data center approvals on Aug. 3, 2026.
🕒 Latest update (Aug 3, 2026): City council approved a 365-day pause (moratorium) on data center approvals.
What we know
- 📍 WhereBrooks Industrial Park, next to the Brooks wetland and nature area, Marshall, Calhoun County
- 🏢 CompanyAlterra Development
- 🌳 Size270 acres
- 🔌 Where the power comes fromA gas power plant on site was first planned, then dropped by the company.
- ❄️ Coolingclosed-loop liquid cooling (company claim)
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How many megawatts is the smaller plan, and where will the power come from? 🙋 I'll find out
- How much water would it use? 🙋 I'll find out
What happened so far
- Oct 2025City authorized a purchase agreement with Alterra for about 270 acres.
- Aug 3, 2026City council approved a 365-day pause (moratorium) on data center approvals.
Local votes and rules
⏸️ Pause on new data centers
Marshall City Council paused approval of any data center in the city for 365 days, citing power, water and heat concerns, and plans a rule on low-frequency noise. Alterra, which plans a project on 270 acres at Brooks Industrial Park, has dropped its planned gas power plant.
⏸️ Pause on new data centers
Marengo Township voted 5-0 to stop data center permits, approvals and building for one year while it writes rules.
An aerial photo of the area.
Where this comes from
- Marshall data center moratorium delays development by at least one year · WWMT · Aug 10, 2026
- How many AI data centers are planned in Michigan? We counted. · Gander Newsroom · March 2, 2026
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