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3 data center projects in Unincorporated Honolulu County

Who decides here: the Honolulu County Council decides on zoning for land outside city and town limits.

In Unincorporated Honolulu County

Being built

Servpac MTP Data Center Building 2 (Mililani Technology Park)

Honolulu County, Honolulu County

5 acres · for Servpac customers (local cloud and server rental)

🕒 March 9, 2026: Building Industry Hawaii reported the groundbreaking; finish expected in Q2 2026.

Reported in the news, not confirmed yet

Being built

AlohaNAP data center expansion (Kapolei)

Honolulu County, Honolulu County

for Many renters (colocation); an Amazon Web Services Direct Connect point

🕒 Oct 22, 2024: Harrison Street and 1547 bought AlohaNAP and announced a 10,300-square-foot, 1.5-megawat…

Reported in the news, not confirmed yet

Stopped or cancelled

State cybersecurity data center at the First Responders Technology Campus (Mililani)

Honolulu County, Honolulu County

243 acres · for State of Hawaii (would replace the old state data center in the Kalanimoku Building basement)

🕒 June 14, 2023: Gov. Josh Green vetoed the $50 million, including money to move the state data center to…

Built & runningBeing builtApproved, not built yetProposedStopped or cancelledHollow dot (when zoomed in): exact site not known yet, pin shows the town

What you can do

  1. Get told first.
    We'll email you if anything changes in Unincorporated Honolulu County.
  2. Go to county meetings.
    Anyone can speak. Big projects usually need a public hearing.
  3. Ask questions in writing.
    Use our checklist.
📣 Report something here

🔔 Get told first

We'll email you when something changes in Unincorporated Honolulu County. Nothing else.

⚡ Your electric company

Hawaiian Electric Co. Inc. (company).

Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Hawaii.

🙋 Open tasks here

  • How much electricity will Building 2 use (in megawatts)?
  • Is Building 2 finished and running yet?
  • How many diesel backup generators will it have?
  • Has construction of the 1.5-megawatt addition actually started, and when will it finish?
  • Is the 50,000-square-foot second building planned for a specific date, and how much power would it need?
  • Did the City and County of Honolulu issue a building permit for the addition?
  • Is the state still planning to move its main data center to Mililani, or somewhere else?
  • How big would a new state data center be, and how much power would it use?

How to help →