Sierra County NM 18-month data center moratorium (2026)

Sierra County, N.M. — 18-MONTH data center moratorium adopted unanimously by the Board of County Commissioners at its regular meeting in Truth or Consequences on Tuesday, July 21, 2026. PROCEDURAL HISTORY, which is the notable part: the agenda item as noticed was a RESOLUTION OPPOSING the development of 'large-scale data centers' within Sierra County — a non-binding expression of position with no operative effect. Following more than an hour of public comment the commissioners AMENDED THE ITEM ON THE FLOOR into a binding 18-month moratorium and adopted it; the Albuquerque Journal characterised it as a surprise vote. The escalation from non-binding opposition to binding pause in a single session is uncommon and worth recording, both as a pattern and as a caution: a jurisdiction's noticed agenda item is not a reliable indicator of what it will adopt. DURATION: 18 months is at the long end of the local distribution in this dataset, exceeded only by the multi-year Arkansas county moratoriums. TRIGGER: emerging details of a proposed SOLAR-POWERED DATA CENTER AT SPACEPORT AMERICA, which sits on STATE TRUST LAND within the county — a jurisdictional wrinkle, since state trust land is administered by the State Land Office rather than the county, so the county's land-use authority over that specific parcel is a live question the sources do not resolve. OPPOSITION GROUNDS: water consumption and environmental harm. STATE CONTEXT: Sierra County joined SANTA FE and SOCORRO counties in acting against large-scale data centers near Spaceport America; a separate New Mexico county adopted a yearlong moratorium in June 2026; state lawmakers were proposing a STATEWIDE moratorium for the next legislative session.