Data center campus · Selma Hwy & Midway Rd, near Casa Grande, Pinal County, Arizona

Project Midway

Proposed as of Nov. 2025

IDM Companies proposed a 215-acre data center south of Casa Grande, next to a planned gas and battery plant.

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Apache CountyCochise CountyCoconino CountyGila CountyGraham CountyGreenlee CountyLa Paz CountyMaricopa CountyMohave CountyNavajo CountyPima CountyPinal CountySanta Cruz CountyYavapai CountyYuma CountyProject Midway · Proposed
PowerNot statedNot reported in the records found
Site215acres

Who is behind it

ProjectProject Midway
Developer and teamIDM Companies
End userNot found in the recordsNot yet named in any record or credited report we have found.

The record, newest first

  1. Pinal supervisors approved a 215-acre comprehensive plan amendment for the data center. Rezoning was still pending as of Apr. 2026. (Pinal Post (via Rose Law Group Reporter), April 20, 2026)

  2. Pinal County P&Z reviewed Project Midway at a work session. (AZBEX, Aug. 1, 2025)

Conflicts and open questions

  • The Nov. 2025 board date is month-level only.
  • This is a different project from the Grande Valley Data Center (Casa Grande city, 954 acres).

The full record

Status note
Supervisors approved a comprehensive plan amendment in Nov. 2025. Rezoning is still needed.
Power note
The 480 MW figure belongs to the adjacent Project Bella gas/battery plant, not this site
Evidence
News reports; primary records not yet obtained
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.