Compass Datacenters El Mirage Campus

Proposed data center in El Mirage Road and Peoria Avenue, El Mirage. Operated by Compass Datacenters.

This is a proposed or under-construction project. It is not operating capacity, and announced projects do sometimes change scope or fail to proceed.

• Capacity for the whole campus: 108 MW
• Land: 121 acres

Capacity: Operator's own figure: whole campus. Compass: a 108 MW campus. The source does not say what the figure measures.

Working here

Per-facility headcount is not published here: no reliable public figures exist for these sites, and construction announcements are not permanent employment. Open Arizona roles at this operator, where there are any, are listed on the operator's company page.

Other Compass Datacenters facilities in Arizona

• Compass Datacenters Goodyear Campus
  Compass Datacenters · 400 S Bullard Ave, Goodyear · Proposed · 212 MW for the whole campus

How we know this

Compiled from public records and checked on 2026-10-11. Confidence in this record: high. Blank figures mean the number is not publicly established, not that it is zero.

Each statement on this page is listed with the page it came from and the words that say it. Sources open in a new tab.

• Status: Proposed

  Note: Compass says it has broken ground, and a listing site shows one building under construction.

  • [1] Compass Datacenters, Compass Datacenters Commits Over $110,500 to Shade the El Mirage YMCA's Outdoor Court (September 23, 2026): Compass is developing a campus in El Mirage, which is the start of a decades-long presence in the city. Compass' El Mirage campus shares a property line with the Northwest Valley Family YMCA, and upon breaking ground
  • [2] Baxtel, Compass: El Mirage PHX-II Campus Data Center Campus (read October 7, 2026): Compass: PHX II-1 Compass Datacenters Under Construction

• Capacity for the whole campus: 108 MW

  • [3] Compass Datacenters, Data Center Markets - Compass Datacenters (August 21, 2026): Compass is developing multiple sites - including a 212 MW campus in Goodyear and a 108 MW campus in El Mirage.
  • [4] Data Center Dynamics, Compass Datacenters acquires 120 acres in El Mirage, Arizona (June 10, 2024): Previous reports suggest the company is planning a three-building, 108MW campus known as PHX II.

• Land: 121 acres

  • [4] Data Center Dynamics, Compass Datacenters acquires 120 acres in El Mirage, Arizona (June 10, 2024): Dermody sold 121 acres on the southwest corner of El Mirage Road and Peoria Ave. to Dallas-based Compass for $79.3 million.

• Location: El Mirage Road and Peoria Avenue, El Mirage

  • [4] Data Center Dynamics, Compass Datacenters acquires 120 acres in El Mirage, Arizona (June 10, 2024): Dermody sold 121 acres on the southwest corner of El Mirage Road and Peoria Ave. to Dallas-based Compass for $79.3 million.

• Data Center Dynamics reported in June 2024 that Compass bought 121 acres at El Mirage Road and Peoria Avenue for $79.3 million, and Compass says it has broken ground.

  • [1] Compass Datacenters, Compass Datacenters Commits Over $110,500 to Shade the El Mirage YMCA's Outdoor Court (September 23, 2026): Compass' El Mirage campus shares a property line with the Northwest Valley Family YMCA, and upon breaking ground
  • [4] Data Center Dynamics, Compass Datacenters acquires 120 acres in El Mirage, Arizona (June 10, 2024): Dermody sold 121 acres on the southwest corner of El Mirage Road and Peoria Ave. to Dallas-based Compass for $79.3 million.

• A listing site shows a building, PHX II-1, under construction, and earlier reports described three single-story buildings of about 208,000 sq ft each.

  • [4] Data Center Dynamics, Compass Datacenters acquires 120 acres in El Mirage, Arizona (June 10, 2024): Previous reports suggest the company is planning a three-building, 108MW campus known as PHX II. Each single-story, 36MW building would total 208,000 sq ft (19,300 sqm).
  • [2] Baxtel, Compass: El Mirage PHX-II Campus Data Center Campus (read October 7, 2026): Compass: PHX II-1 Compass Datacenters Under Construction

• On August 17, 2026 the El Mirage City Council approved a final plat and a development agreement for Compass Datacenters PHX II, which the city calls a proposed multi-building facility, each by a vote of 5 to 1.

  • [5] City of El Mirage, City Council regular meeting minutes, August 17, 2026 (August 17, 2026): 17. Consideration and action to approve a Final Plat for Compass Datacenters PHX II in connection with the proposed multi-building facility Vice Mayor Parsons moved to approve Consent Agenda Items 4.1–4.7, 4.11, 4.13, 4.15–4.17, seconded by Councilmember Winston. Motion passed: (5/1) NAY: Councilmember Gentry Vice Mayor Parsons moved to enter into a Development Agreement with Compass Datacenters PHX II Peoria Avenue, seconded by Councilmember Winston. Motion passed (5/1) NAY: Councilmember Gentry

• City staff wrote that the Compass companies that own the site are developing it, and that the agreement lets Compass obtain certificates of occupancy before road improvements along Peoria Avenue are finished.

  • [6] City of El Mirage, Development Agreement with Compass Datacenters PHX II, City Council agenda item, August 17, 2026 (August 17, 2026): Compass Datacenters PHX II, PHX IIA, PHX IIB and PHX IIC are the owners of APN 501-45-980C, 980D, 980E and 980F, respectively, and are currently developing the site. This Development Agreement allows Compass to obtain Certificates of Occupancy prior to the completion of the off-site improvements due to the power poles.

• City of El Mirage reports of issued permits list a January 2026 permit for new construction of the PHX II core and shell, 208,000 square feet, and permits through September 2026 for work on Buildings A, B and C.

  • [7] City of El Mirage Development Services, Monthly issued permits, January 2026 (read October 11, 2026): COMMERCIAL NEW CONSTRUCTION PHXII CORE &SHELL ONLY,208000
  • [8] City of El Mirage Development Services, Monthly issued permits, August 2026 (read October 11, 2026): Q3143 - COMPASS CAZ1 BUILDING A ELECTRICAL
  • [9] City of El Mirage Development Services, Monthly issued permits, September 2026 (read October 11, 2026): FIRE ALARM PREACTION BLDG B Compass - PHX II - Building C - Tenant Fit-out

• The August 2026 permit for Building A's critical power describes three 12 MW data halls in that building.

  • [8] City of El Mirage Development Services, Monthly issued permits, August 2026 (read October 11, 2026): THERE IS A TOTAL OF 90 WHITE SPACE MODULES AND 312 ATSS IN BUILDING A THROUGHOUT THE THREE 12MW DATA HALLS.

Our own notes

These remarks are Arizona AI's own. They say how this record is counted or what we could not find, so there is no outside page to link.

None of these permits shows a completion date in the reports through September 2026, so the campus stays with the announced projects.