Microsoft PHX-80

Operating data center in El Mirage. Operated by Microsoft.

• Capacity: 57 MW
• Floor area: 245,000 sq ft
• Online since: 2021

Capacity: Estimate from a data center listing site. Cleanview project map, read October 7, 2026. The listing 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.

Rest of Microsoft El Mirage campus

• Microsoft El Mirage Campus
  Microsoft · El Mirage · Operating
• Microsoft PHX-81
  Microsoft · El Mirage · Operating · 57 MW · 245,000 sq ft
• Microsoft PHX-82
  Microsoft · El Mirage · Operating · 57 MW · 245,000 sq ft
• Microsoft PHX-83
  Microsoft · El Mirage · Proposed · 57 MW · 245,540 sq ft

Other Microsoft facilities in Arizona

• Microsoft Goodyear Campus (PHX-10 to PHX-14)
  Microsoft · Goodyear · Operating
• Microsoft PHX-10
  Microsoft · Goodyear · Operating · 57 MW · 244,666 sq ft
• Microsoft PHX-11
  Microsoft · Goodyear · Operating · 57 MW · 242,678 sq ft
• Microsoft PHX-12
  Microsoft · Goodyear · Operating · 57 MW · 250,000 sq ft
• Microsoft PHX-13
  Microsoft · Goodyear · Operating · 57 MW
• Microsoft PHX-14
  Microsoft · Goodyear · Operating · 57 MW
• Microsoft PHX-15
  Microsoft · Maricopa County (approximate) · Proposed · 57 MW
• Microsoft PHX-16
  Microsoft · Maricopa County (approximate) · Proposed · 57 MW
• Microsoft PHX-70
  Microsoft · Goodyear · Operating · 57 MW
• Microsoft PHX-71
  Microsoft · Goodyear · Operating · 57 MW
• Microsoft PHX-72
  Microsoft · Goodyear · Operating · 57 MW
• Microsoft PHX-73
  Microsoft · Goodyear · Proposed · 57 MW
• Microsoft PHX-74
  Microsoft · Goodyear · Proposed · 57 MW

News

Stories in Arizona AI's news feed that name this facility, newest first.

• Nov 25, 2024
  Microsoft files to expand El Mirage data center campus in Arizona
  Microsoft sought approval for PHX-83, a 245,500-square-foot fifth building at 12901 W Olive Avenue. The filing said PHX-80 was operating and PHX-81 and PHX-82 were under construction, powered from an APS substation on site.
• Jun 5, 2024
  Microsoft acquires nearly 300 acres for data center growth in El Mirage
  Microsoft paid $258 million in cash for about 283 acres at Northern Parkway and Dysart Road from Dermody Properties, next to its existing 150-acre El Mirage campus.
• Jun 15, 2021
  Expanding cloud services: Microsoft launches its sustainable datacenter region in Arizona
  Azure West US 3 went live from Goodyear and El Mirage with Banner Health, the State of Arizona and Teradata as early customers. Microsoft said it had invested $1.1 million in more than 70 local community initiatives.
• Sep 21, 2020
  Microsoft's newest sustainable datacenter region coming to Arizona in 2021
  Microsoft named the Arizona region West US 3, said it would open in 2021 with Availability Zones, and described groundwater storage credits dedicated to Goodyear and El Mirage as part of a new water-positive pledge.
• Jul 30, 2019
  Building world-class sustainable datacenters and investing in solar power in Arizona
  Microsoft formally announced data center campuses in El Mirage and Goodyear, a solar deal with First Solar's 150 MW Sun Streams 2 plant, more than 100 permanent and 1,000 construction jobs, and a $20 million annual economic impact.

All Arizona AI news

How we know this

Compiled from public records and checked on 2026-10-07. Confidence in this record: medium. 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: Operating

  • [1] City of El Mirage, Development Application SPA24-09-01 MS PHX83 (El Mirage City Council packet, December 3, 2024) (December 3, 2024): The site is currently zoned Employment/Industrial (EI) and is occupied by the first operational data center at the campus, PHX80.
  • [2] Cleanview, Data Centers in Arizona - Project List & Locations (read October 7, 2026): Map record 3532: Microsoft PHX-80 | status Operating

• Capacity: 57 MW

  Note: Only a listing site gives this figure.

  • [2] Cleanview, Data Centers in Arizona - Project List & Locations (read October 7, 2026): Map record 3532: Microsoft PHX-80 | status Operating | capacityMw 57

• Floor area: 245,000 sq ft

  Note: The city filing gives this as an approximate size.

  • [3] City of El Mirage, Site Plan Amendment PHX82 Project Narrative (El Mirage City Council packet, April 16, 2024) (April 16, 2024): Like PHX80 and PHX81, PHX82 is an approximately 245,000-square-foot single-story data center.

• Online since: 2021

  • [4] Data Center Dynamics, Microsoft files to expand El Mirage data center campus in Arizona (November 25, 2024): The first building at the site launched in 2021.
  • [1] City of El Mirage, Development Application SPA24-09-01 MS PHX83 (El Mirage City Council packet, December 3, 2024) (December 3, 2024): The site is currently zoned Employment/Industrial (EI) and is occupied by the first operational data center at the campus, PHX80.
  • [5] KTAR News, Tech giant Microsoft flips switch to on at new West Valley data centers (June 15, 2021): the tech giant announced Tuesday that its new data centers in El Mirage and Goodyear are up and running.

• Location: El Mirage

  • [3] City of El Mirage, Site Plan Amendment PHX82 Project Narrative (El Mirage City Council packet, April 16, 2024) (April 16, 2024): City of El Mirage, Arizona. The site is currently zoned Employment/Industrial (EI) and is occupied by the first operational data center at the campus, PHX80.

• The first operating building on Microsoft's El Mirage campus, per an October 2024 city filing.

  • [1] City of El Mirage, Development Application SPA24-09-01 MS PHX83 (El Mirage City Council packet, December 3, 2024) (December 3, 2024): The site is currently zoned Employment/Industrial (EI) and is occupied by the first operational data center at the campus, PHX80. site owned by the Microsoft Corporation at the southeast corner of West Olive Avenue and North Dysart Road in the City of El Mirage, Arizona.