Maine moves to pause new data centers over energy and environmental concerns

Lawmakers in Maine have approved a bill to implement a moratorium on new large-scale data centers, specifically those requiring more than 20 megawatts of power, until October 2027. This decision, passed by votes of 79–62 in the state House and 21–13 in the Senate, aims to address increasing concerns regarding the energy consumption and environmental impact of these facilities. The legislation now awaits final approval from Governor Janet Mills, who has indicated support for a limited exemption for a smaller project that reuses existing infrastructure and is not expected to strain the power grid. Under the proposed moratorium, a state-appointed council would be established to assess the effects of data centers on Maine's electricity grid, household energy bills, and critical environmental factors such as air and water quality. Maine's proactive stance is part of a broader national debate, with at least 11 other US states considering similar measures to regulate the rapid expansion of data infrastructure driven by artificial intelligence and cloud computing. At the federal level, lawmakers including Senators Bernie Sanders and Josh Hawley, and Representatives Alexandria Ocasio-Cortez and Richard Blumenthal, have proposed various legislative actions. These range from a complete halt on data center construction until comprehensive AI safety rules are adopted, to measures designed to protect consumers from potential spikes in electricity costs linked to data center growth. The move by Maine reflects a growing governmental effort to balance technological advancement with sustainability and economic affordability.