Massachusetts tightens clean power rules for large data centers

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Massachusetts clean power data centers

Highlights

Governor Maura Healey’s executive order mandates data centers with over 25 megawatts peak demand in Massachusetts provide power meeting state clean energy standards.
Massachusetts paused applications for its new data center sales tax exemption while implementing stricter power sourcing rules, requiring on-site generation, local support, or payments to a protection fund.
Massachusetts joins Texas and New York in tightening oversight of large data centers, reflecting a shift from incentives to regulation amid public concerns over electricity use.

Governor order reshapes project requirements

As reported by TechCrunch, Governor Maura Healey’s executive order requires developers of data centers with more than 25 megawatts of peak demand to provide their own power and ensure it meets Massachusetts clean energy standards.

Healey says the state prefers projects to generate that clean power on site. If that does not happen, developers must support the construction of new nearby generation or pay into a ratepayer protection fund.

The order also directs communities to avoid signing non-disclosure agreements tied to data center projects. Massachusetts is meanwhile pausing applications for a data center sales tax exemption that took effect last month, giving regulators time to implement the new restrictions.

The clean power requirement appears less absolute than a full self-supply mandate because projects only need to meet the clean energy standard set in state law. In 2030, approved sources such as wind, solar and hydro must account for at least 40% of the total, with the required share rising over time.

State pressure grows across the data center market

Massachusetts becomes the third state in as many months to move against rapid data center expansion, reflecting a broader political shift from incentives toward tighter oversight. Public concerns over electricity use and local effects are increasingly shaping how state governments approach new facilities.

In August, Texas Governor Greg Abbott announced that all new data centers in the state need to undergo audits by the public utility commission and grid operator ERCOT. In July, New York’s governor halted construction of new data centers of 50 megawatts or more.

As sentiment turns more critical, the tech industry is also pushing back. Leading the Future, a pro-AI super PAC backed by Marc Andreessen, Ben Horowitz and Greg Brockman, is buying advertisements aimed at influencing voters in battleground states before the midterm elections.

Our earlier coverage on U.K. AI data center job projections highlighted a dispute over how many permanent roles the buildout will actually create. The analysis argued that newer, larger and more automated facilities may require far fewer on-site workers per megawatt than industry groups claim, even as big tech investment accelerates construction and demand for specialist trades.

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