Compass PHX II Campus

Compass Datacenters. Filed. 108 MW.

Compass Datacenters is proposing PHX II, a three-building, 108 megawatt campus at the southwest corner of El Mirage Road and Peoria Avenue after paying 79.3 million dollars for 121 acres. The company submitted a site plan review request to the El Mirage Planning and Zoning Commission in February 2024.

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Status: Filed
Operator: Compass Datacenters
Applicant on record: Compass Datacenters
Location: SW corner of El Mirage Road and Peoria Avenue, El Mirage, AZ, Maricopa County, AZ
Size: 108 MW, 121 acres, 624,000 sq ft
Cooling: Not reported
Utility: Arizona Public Service
First reported: 2024-02
Last updated: August 19, 2026

What happens next

Still to come: public hearings, a rezoning or permit vote, and a utility interconnection agreement.

Sources

Compass Datacenters acquires 120 acres in El Mirage, Arizona, Data Center Dynamics, 2024-02
New Data Center Proposed in El Mirage, AZBEX, 2024-02

What it would mean nearby

The cooling design has not been reported. If it uses evaporative cooling, a 108 MW facility would draw roughly 342,000 to 1.2 million gallons of water a day, about what 3,900 households use.

Arizona Public Service is asking the commission for a 16.4% residential increase (2025 general rate case (docket E-01345A-25-0105)). On a $160 monthly bill that is about $22 to $30 a month.

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