Maine lawmakers pass nation’s first statewide ban on large data centers
| Source: Mastodon | Original article
Maine’s Senate and House approved legislation that bans the construction of new large‑scale data centers statewide, marking the first such restriction in the United States. The bill, signed by Governor Janet Mills last week, prohibits facilities exceeding 10 megawatts of power consumption or 5,000 square feet of floor space from being built or expanded after July 1 2027, with a review clause that could extend the moratorium to 2030.
Lawmakers framed the move as a climate‑first decision. “Data centers are energy‑intensive, water‑hungry, and increasingly powered by AI workloads that amplify their footprint,” said Senate Majority Leader Troy Jackson, who co‑authored the measure. The state, which currently hosts no major hyperscale sites, aims to protect its renewable‑energy goals and prevent strain on the aging grid in rural communities.
The ban arrives amid a national debate over the environmental toll of AI training clusters, which can draw megawatts of power for weeks at a time. Industry groups, including the American Data Center Association, warned that the restriction could push investment to neighboring states such as New Hampshire and Massachusetts, potentially creating a “data‑center desert” in the region. Tech firms with plans for AI‑focused facilities in Maine have already begun re‑evaluating site selections, citing the need for regulatory certainty.
What to watch next: the law faces an expected legal challenge from several developers who argue the ban violates interstate commerce provisions. The state will also need to define enforcement mechanisms and determine whether exemptions for research‑grade or low‑impact facilities are possible. Other states—California, Texas and Virginia—have floated similar moratoria, and Maine’s precedent could accelerate a broader regulatory push that reshapes where the next generation of AI infrastructure is built.
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