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Regbase

The Data Center Divide

Pima County

This restriction takes precedence while in effect. The rating below excludes temporary restrictions.

Mixed Data Center Policies

Pima County has enacted a measure imposing a moratorium on data center development, making new construction or expansion harder while it applies. Its duration and effect on existing centers’ operations are not stated.

Rating from Arizona statewide as there are no scored current or future laws outside temporary restrictions for Pima County.

Specific to Pima County only.

current law · County measure
Temporarily prohibits data center development in Pima County.Pima County Resolution 2026-56 (2026)

What this means

The measure would impose a moratorium on data center development, making it much harder to build or expand data centers while it applies. The provided sources do not state how long it would last or whether it would affect existing centers’ operations.

Timing

The measure expressly implements a moratorium on data center development, but the provided sources do not state an expiration date or ending condition.

People behind it

  • Requested the measure and administered it as the controlling committee.

  • Introduced and approved Resolution No. 2026-56 implementing the moratorium.

Restrictions & requirementsHide restrictions & requirements1

  • Imposes a moratorium on data center development in Pima County.

Sources

Specific to Pima County only.

failed · County measure
Would require Arizona counties with more than 125,000 residents to designate land for data centers in their comprehensive plans without preventing their construction or operation.Arizona HB2452 (2026)

What this means

This would require counties with more than 125,000 people to plan for where data centers can be built, and the plan must not effectively prevent their use (designations shall be sufficient). That could make it easier to find land for data centers, but it does not provide funding or guarantee project approval, so the benefit is moderate.

People behind it

  • Prime sponsor and introducer of HB 2452.

Benefits & exceptionsHide benefits & exceptions2

  • A county’s comprehensive plan may include studies and recommendations on electric-power production and demand, expressly including data centers; this is optional, not required. The plan may include studies and recommendations

  • Counties with populations over 125,000 must designate land in their comprehensive plans for data center construction and operation, with designations sufficient not to prevent or prohibit effective use of land for those purposes. Other counties may include this planning. Counties meeting the population threshold must amend their plans within two years of the act’s effective date. Designations shall be sufficient

Sources

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