Stack Infrastructure PHX02 Campus

Proposed data center in 800 N 40th St, Phoenix. Operated by Stack Infrastructure.

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 at full build-out: 250 MW
• Floor area: 1.7M sq ft
• Land: 51 acres

Capacity: Operator's own figure: computing (IT) load, at full build-out. STACK: nearly 250 MW of critical capacity.

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 Stack Infrastructure facilities in Arizona

• Stack Infrastructure PHX01 Campus
  Stack Infrastructure · 3001 S Litchfield Rd, Avondale · Proposed · 225 MW at full build-out
• Stack PHX01A
  Stack Infrastructure · 3001 S Litchfield Rd, Avondale · Proposed · 98 MW
• Stack PHX01B
  Stack Infrastructure · 3001 S Litchfield Rd, Avondale · Proposed · 98 MW
• Stack PHX01C
  Stack Infrastructure · 3001 S Litchfield Rd, Avondale · Proposed · 98 MW
• Stack PHX02A
  Stack Infrastructure · 800 N 40th St, Phoenix · Proposed · 65 MW
• Stack PHX02B
  Stack Infrastructure · 800 N 40th St, Phoenix · Proposed · 65 MW
• Stack PHX02C
  Stack Infrastructure · 800 N 40th St, Phoenix · Proposed · 65 MW

How we know this

Compiled from public records and checked on 2026-10-07. 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: One listing site calls the campus under construction. Another says Building 1 is planned and not commissioned.

  • [1] STACK Infrastructure, STACK Infrastructure Plans 230MW Five-Building Campus in Central Phoenix (November 8, 2022): announced its plans to develop a five-building, 230MW campus in the heart of central Phoenix, Arizona.
  • [2] datacenterHawk, STACK Infrastructure PHX02 Building 1 | 800 N 40th Street, Phoenix - datacenterHawk (read October 7, 2026): PHX02 Building 1, a planned facility announced by STACK Infrastructure, is located at 800 N 40th Street in the Phoenix market. Commissioned This facility has not yet been commissioned or leased. Under Construction There is no leaseable power under construction.

• Capacity at full build-out: 250 MW

  Note: The operator says nearly 250 MW, as the design for all five buildings.

  • [3] STACK Infrastructure, PHX02 - STACK Infrastructure (read October 7, 2026): The five-building campus is designed to deliver nearly 250MW of critical capacity, powered by a dedicated on-site substation 250MW 5 Building 51 ACRES

• Floor area: 1.7M sq ft

  Note: The operator gave this in 2022 as the planned size of the whole campus.

  • [1] STACK Infrastructure, STACK Infrastructure Plans 230MW Five-Building Campus in Central Phoenix (November 8, 2022): The more than 1.7 million square foot campus will include a low water use design that supports client sustainability targets

• Land: 51 acres

  • [3] STACK Infrastructure, PHX02 - STACK Infrastructure (read October 7, 2026): 250MW 5 Building 51 ACRES Situated on 51 acres in central Phoenix

• Location: 800 N 40th St, Phoenix

  • [3] STACK Infrastructure, PHX02 - STACK Infrastructure (read October 7, 2026): Situated on 51 acres in central Phoenix
  • [2] datacenterHawk, STACK Infrastructure PHX02 Building 1 | 800 N 40th Street, Phoenix - datacenterHawk (read October 7, 2026): PHX02 Building 1, a planned facility announced by STACK Infrastructure, is located at 800 N 40th Street in the Phoenix market.
  • [4] Baxtel, STACK Phoenix PHX02 Campus Data Center (read October 7, 2026): 800N 40th St Under Construction New facility under construction

• A five-building campus of more than 1.7 million sq ft on 51 acres near Sky Harbor Airport, announced November 8, 2022.

  • [1] STACK Infrastructure, STACK Infrastructure Plans 230MW Five-Building Campus in Central Phoenix (November 8, 2022): announced its plans to develop a five-building, 230MW campus in the heart of central Phoenix, Arizona. The more than 1.7 million square foot campus will include a low water use design that supports client sustainability targets
  • [3] STACK Infrastructure, PHX02 - STACK Infrastructure (read October 7, 2026): 250MW 5 Building 51 ACRES STACK's PHX02 campus is strategically located near the largest network hub in the region and just minutes from Sky Harbor International Airport.

• One listing site shows it as under construction, and another says Building 1 has not yet been commissioned.

  • [4] Baxtel, STACK Phoenix PHX02 Campus Data Center (read October 7, 2026): 800N 40th St Under Construction New facility under construction
  • [2] datacenterHawk, STACK Infrastructure PHX02 Building 1 | 800 N 40th Street, Phoenix - datacenterHawk (read October 7, 2026): Commissioned This facility has not yet been commissioned or leased. Under Construction There is no leaseable power under construction.