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Hampden County

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

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

Projects

Status unclear

Servistar data center campus in Westfield

Westfield, Hampden County

155 acres

🕒 Sept 15, 2026: Planning Board voted to delay a decision on a 3-year permit extension and asked the city…

Stopped or cancelled

Chestnut River data center at former Hampden Paper mill, Holyoke

Holyoke, Hampden County

🕒 June 16, 2026: City Council voted 9-4 to ban future data centers, ending this plan.

Local votes and rules

⏸️ Pause on new data centers · Agawam Town

The City Council unanimously approved the first reading of a 270-day pause on data centers in August 2026. Later news reports say Agawam approved the pause. The mayor said he knew of no developers interested in Agawam.

Aug 2026Source

⏸️ Pause on new data centers · Westfield

The City Council voted unanimously for a one-year pause on data centers. No data center applications can be accepted or approved during that time. The first vote was June 18 and the final vote July 6, after the Planning Board recommended it. City officials have said it does not affect the Servistar project approved in 2021, but that is not settled.

July 6, 2026Source

🚫 Ban · Holyoke

The City Council voted 9-4 to change zoning so new data centers are banned in Holyoke. The mayor signed it on June 18. It stopped a planned 20-megawatt data center in an old mill on Water Street. The existing Massachusetts Green High Performance Computing Center is exempt.

June 16, 2026Source

Find your town

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