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Home/Deal Room/Prime breaks ground on $3B Phoenix AI-ready data-center campus

Data centers · Evidence brief

Prime breaks ground on $3B Phoenix AI-ready data-center campus

Prime Data Centers + leading hyperscaler + ARCO/Murray + SRP

Primary sourcePress release only2026-05-21
Deal structureHyperscale data-center campus construction / AI-ready leased capacity
GeographyAvondale / Phoenix, Arizona
Infrastructure layersData centers + cooling + power infrastructure
Disclosed scale$3B-plus Prime investment in a 240 MW, five-building Phoenix campus; first three 48 MW buildings totaling 144 MW are secured by a leading hyperscaler

Why it matters

The strategic read

Adds another secured AI-ready hyperscale campus in the power-constrained Southwest. Prime is moving from planned capacity into construction on three leased 48 MW buildings, with an on-site substation, liquid/closed-loop cooling, renewable-power commitment and a large unnamed hyperscaler already anchoring the first phase.

Source-supported terms

What was disclosed

  1. 01

    Prime Data Centers broke ground on the first three buildings at its PHX01 Phoenix campus in Avondale, Arizona.

  2. 02

    The full campus spans 66.5 acres, 1.3M square feet and 240 MW of total critical power across five hyperscale data centers.

  3. 03

    Each building is designed for 48 MW of critical IT load, and buildings 1-3 have been secured by a leading hyperscaler.

  4. 04

    Phase 1 of the campus substation has been commissioned, supporting delivery of the first 144 MW of critical IT capacity.

  5. 05

    Prime says PHX01 is designed for next-generation AI and high-performance computing workloads, with closed-loop cooling engineered for zero process water use during operations.

  6. 06

    The Phoenix campus page lists 20 data halls, SRP utility service, an on-site substation, closed-loop air and liquid cooling, multiple nearby carriers, and AI-ready performance.

  7. 07

    The Avondale mayor described the project as more than a $3B Prime investment, with customers investing an average two times more.

Disclosure boundary

What is known—and what is not

Primary company announcement syndicated through BusinessWire plus Prime campus specifications; tenant identity, lease value, project financing, power purchase terms, construction contract economics, delivery milestones, fit-out spend and expansion options are not public.