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Data center project · Calhoun County, Michigan

Alterra technology park (Brooks Industrial Park)

Paused by moratorium · A Toronto developer's planned data center and gas plant on 270 acres of city-owned industrial park land, delayed by a one-year moratorium.

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Status
Paused by moratorium · as of Aug. 10, 2026
Location
Brooks Industrial Park, Marshall · Calhoun County
Status note
Marshall City Council adopted a 365-day moratorium on data center approvals.
Power
Not reported
Alterra's first concept paired the data center with an on-site gas plant using about 1 GW (WWMT); The 'Gander reports up to 1,400 MW.
Land
270 acres
Investment
Land sale of $1.12 million approved by the city's Local Development Finance Authority
Developer and team
Alterra Development
Utility
On-site natural gas generation proposed
Water
Not stated; site is about half wetlands (reported)
Evidence
News reports; primary records not yet obtained
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. Aug. 10, 2026 City Council approved a 365-day moratorium on data center approvals. (WWMT News Channel 3, Aug. 10, 2026)
  2. Oct. 30, 2025 The city's Local Development Finance Authority unanimously approved selling 270 acres (112 buildable) to Alterra for $1.12 million. (WWMT News Channel 3, Dec. 17, 2025)

Conflicts and open questions

  • Power figures differ between sources (about 1 GW vs. up to 1.4 GW).

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