Developers in the coming months could break ground on a western Massachusetts data center campus where investments could total $4 billion, a project buoyed by a new state tax incentive.

But as officials iron out regulatory frameworks, some advocates urged the state on Thursday to strengthen environmental protections surrounding the facilities.

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A 2024 economic development law included a sales and use tax exemption for qualified data centers, which applies to equipment, software, electricity usage, and construction costs tied to the building, renovation or refurbishment of the facilities.

That financial relief was critical to advancing Servistar Realties' vision to establish a data center campus in Westfield, sa

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