GOP bill would strip county authority over small nuclear reactors at data centers

By: Jerod MacDonald-Evoy

Outlets: Arizona Mirror

Published: February 12, 2026

Words: 548

Last Updated: 4 months, 2 weeks ago


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A Republican proposal to prohibit Arizona counties from regulating small nuclear reactors that are co-located with large energy users like data centers cleared its first hurdle this week.

The measure would bar the state’s 15 counties from regulating the technology if it is co-located with “an extra high load factor customer.” House Bill 2456 is an expanded version of a bill that Gov. Katie Hobbs vetoed last year that would have allowed …

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