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Counties and States Tighten Rules on Data Center Siting

Officials say the measures protect local power grids, limit water strain, give residents more say.

Overview

  • Prince William County’s Board of Supervisors voted Tuesday to end by-right approvals for data centers and shrink its Data Center Opportunity Zone by about 62 percent so future projects must get a special-use vote from the board.
  • Baltimore County’s council unanimously extended its moratorium on new data centers through December 2027 to let planners study impacts and recommend rules.
  • Anne Arundel County approved a 15-month moratorium that pauses new builds while a work group examines best practices and how to balance defense‑related jobs with environmental and resource concerns.
  • Maryland Gov. Wes Moore signed an executive order on Wednesday creating a Data Center Task Force, a public dashboard and five review principles for large projects and said he will seek repeal of a 2020 tax exemption for some data centers.
  • Cities and utilities remain central to the fight because data centers draw large amounts of electricity and water, often require new substations like Dominion’s proposed Vint Hill upgrade, and create a trade-off between local revenues and strains on community services.