DayOne Kempas · Johor, Malaysia

Last change recorded 2026-10-04 · Last checked 2026-10-04

Owner—

Users—

IT power, end of 2026422 MW

Planned end state422 MW

First power2026-01-22

Build-out completeno further build-out tracked

Power pathGrid supply

Binding stepNo data yet

First power vs announcedNo announced date on record

Full build-out vs announcedNo announced date on record

Utility / power partnersTenaga Nasional Berhad

Renewables / PPA

Latest: First power (Epoch) · First power · 2026-01-22 · recorded 2026-10-04

DayOne's Kempas Tech Park campus in Johor Bahru, sharing the TNB solar arrangement with Nusajaya; part of the 390 MW in service in Johor on 2026-01-30. · source ◐ secondary, confidence medium

Recorded readiness — 0 of 6 applicable milestones have a dated public record

○ Land○ Permits○ Grid supply· Generation○ Water○ Financing○ Construction

Gate to first power — target 2026-01-22 (estimate) · path: Grid supply · each step must finish its lead time before the target

0 of 0 required steps have a public date. Red = recorded date past the rule-based deadline · grey "no public date" = required step without a record · green = on record in time · context steps never colour.

No dated steps on record.

This site is energized; lights only show how its recorded steps compared with the lead times.

Lead-time assumptions

Site secured 15 months before first power — Land under control and campus announced. Rarely binding; shown for context.
Permits in hand 0 months before first power — Final air and siting permits. Operators often energize on standard or temporary authorisations and receive the major permit later; flagged only when the permit lands more than 6 months after first power or is missing for an on-site plant.
Grid supply agreed 9 months before first power — Interconnection or large-load agreement approved. Observed median 7 months before first power; the physical works (substation, lines) run in parallel with construction.
Substation and lines energized 2 months before first power — Utility delivery point live; final tests before the load is taken.
New generation online 1 months before first power — Utility plant or on-site plant generating; needed just before energization when the grid cannot carry the load alone.
Major equipment on site 6 months before first power — Turbines, transformers, switchgear delivered; installation and commissioning take the remaining months.
Construction started 24 months before first power — Groundbreaking of the building that gives first power. Observed 4-26 months for recent AI campuses; Meta's redesigned campuses took 35-58.
Building ready for IT 0 months before first power — First building ready for IT. 'Complete' or 'opened' is usually reported after first power; flagged only beyond 3 months.
Full build-out complete -12 months before first power — All announced buildings operational. Comes after first power by design; context only.
Water supply secured 12 months before first power — Water rights, municipal agreement or desalination contract in hand. Context only; one of the feasibility items.
Financing closed 12 months before first power — Project financing, anchor lease or committed capital announced. Context only; not applicable when the owner is a hyperscaler building on its balance sheet.

Dated steps (from the sources; later dates are plans)

2026-01-22 First powerFirst power (Epoch) · ◐

Build-out timeline (Epoch AI; dated status notes with IT power; rows after today are estimates)

2024-07-01—Site is cleared earth with earthworks underway across the campus footprint; no building shells visible.

2025-09-15—In this [video](https://www.youtube.com/watch?v=HODHjDbFt10) at 6:28, some fans can be seen in motion for Building 3. However, we think it's unlikely that any buildings are at fully operational capacity yet. Buildings 1-

2026-01-2280 MWBuildings 3 and 4 are operational. This is based on construction looking complete, and DayOne [reporting](https://archive.is/8CFXN) 390 MW "in service" across both Nusajaya and Kempas campuses as of Jan 30. Subtracting o

2026-06-01223 MWBuildings 1-4 and the smaller Building 9 assumed fully operational: cooling equipment was installed by Jan 2026 (Building 9 on the same timeline as Building 1) and the implied KTP in-service figure (~80 MW) shows them ra

2026-08-10223 MWBuildings 5-6 look complete and parking lot activity suggests they are nearly operational. Building 7-8 nearing completion with some construction equipment still in their vicinity.

2026-09-01322 MWBuildings 5-6 assumed operational. These buildings were roofed between Sep and Dec 2025 and equipment fit-out was underway in Jan 2026; applying the default roof-to-operational delay plus ramp time approximates their ope

2026-10-01422 MWBuildings 7-8 assumed operational. These buildings were roofed by March 2026 and by August 2026 their cooling and backup power equipment looked complete. With an additional two months of commissioning after August we app

Recorded fact The site is energized.

Calculated requirement Energized; watch the build-out timeline for the next buildings.

Sources (Epoch AI selection): News of Phase 2 operation · Archived DayOne website - "120 MW in operation" in Johor · Archived DayOne website - 390 MW "in service" in Johor · Financial Times report that Alibaba and ByteDance are training AI models in southeast Asia

Epoch AI, 'AI data centers', epoch.ai/data/ai-data-centers (CC BY 4.0); coordinates from GeoNames cities500 (CC BY 4.0) and hand-entered places; overrides in tools/project_overrides.csv with their own sources. Campuses outside the Epoch dataset come from tools/campuses.csv (public reporting, source per row). Data retrieved 2026-10-05. Report a correction to contact@ailoadmap.com (campus id dayone-kempas; include the row and a source link).