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Southeastern Connecticut Planning Region

2 data center projects we know about. 23 towns, cities and boroughs.

Built & runningBeing builtApproved, not built yetProposedStopped or cancelledHollow dot (when zoomed in): exact site not known yet, pin shows the town

Projects

Stopped or cancelled

NE Edge data center at Millstone nuclear plant

Waterford, Southeastern Connecticut Planning Region

🕒 March 17, 2026: Waterford's First Selectman announced the project had ended because NE Edge-Waterford LL…

Proposed

ReNew Amston data centers on Old Amston Road

Colchester, Southeastern Connecticut Planning Region

🕒 Oct 6, 2026: Residents packed a town hall meeting to oppose the plan; some asked for a moratorium.

Local votes and rules

📜 Data center rules · Groton

The commission voted unanimously for the region's first data center zoning rules. Data centers can be no bigger than 12,500 square feet, so very large ones are not allowed. The rules took effect July 14, 2023.

June 2023Source

🤝 Agreement with the company · Waterford

Waterford signed a host fee deal with NE Edge for a data center at the Millstone nuclear plant (payments instead of normal property taxes). On March 17, 2026, the First Selectman said the project had ended because the developer broke the deal's terms.

2023Source

⏸️ Pause on new data centers · Groton

After a large data center plan by NE Edge, the commission voted unanimously for a one-year pause on data centers bigger than 5,000 square feet. It ended when the town adopted permanent rules in 2023.

June 2022Source

Find your town

In Connecticut, your town, city or borough usually decides where data centers can go.