Data Center Construction in Arizona: Key Planning Considerations
Arizona has become a major data center market due to affordable land, a stable power grid, and tax incentives, particularly in the Phoenix metro area. However, data center construction there is complex, requiring early and thorough planning for power availability, cooling systems, and permitting processes. Developers must engage utilities early and consider climate-specific design challenges.
Arizona has emerged as a highly active data center market in the United States, drawing significant investment to the Phoenix metro area from hyperscale operators and colocation providers. This growth is attributed to the state's affordable land, stable power grid, low seismic risk, and attractive tax incentives for large technology infrastructure projects.
Despite favorable market dynamics, data center development in Arizona presents unique planning challenges, primarily concerning power availability and cooling. Developers are advised to prioritize power procurement early in the process, as utility interconnection timelines in high-demand corridors around Phoenix have extended significantly. This involves early engagement with utilities like APS or SRP to assess substation capacity and transmission infrastructure.
The state's hot and dry climate dictates specialized cooling designs, favoring evaporative or hybrid systems to achieve better annual PUE performance, though mechanical cooling systems must be sized for peak summer temperatures exceeding 110°F. Other critical considerations include robust backup power infrastructure, site-specific geotechnical investigations, and flood mitigation for monsoon rainfall events. Permitting timelines in Maricopa County have also lengthened due to increased project volume, necessitating early pre-application meetings. While Arizona offers a sales tax exemption for qualifying data center equipment, developers must thoroughly plan for these complex conditions.