Data centers in Connecticut: projects, fights & moratoriums

Projects

• Global Common data center near Watrous Park (Middlesex County): proposed. The Planning and Zoning Commission approved a six-month moratorium on data center applications at a packed meeting, after an earlier 12-month proposal failed; the town plans a public hearing on a data center tax amendment Dec. 3
• Old Amston Road data center buildings (two, about 5 MW each) (New London County): proposed. Developer in early talks with the planning and zoning commission; needs a zoning change and state siting review

Upcoming hearings & votes

• 2026-12-03: Town of Cromwell, Public hearing and meeting on a data center tax amendment (town plans to use the middle school auditorium)

Moratoriums & local limits

• Trumbull: moratorium, adopted 2026-09-09
• West Haven: moratorium, adopted 2026-06-08
• New Haven: moratorium, adopted 2026-09-22
• Groton (town): moratorium (ended; replaced by data center regulations 2023), adopted 2022-06-14
• Town of Cromwell (Middlesex County): moratorium, adopted 2026-11-05

By county

Hartford · Middlesex · New Haven · New London