DayOne Kempas
AI data center in Johor Bahru (Kempas), Johor, Malaysia, operated by DayOne.
DayOne's second big Johor campus, a few kilometres from Nusajaya. Epoch AI puts it at about 422 MW of IT power after buildings 7-8 came online in October 2026, making it one of the largest AI sites outside the US.
Power: what each source says
Epoch AI estimates 422 MW IT / 590 MW facility as of 2026-10-01. DayOne reported 390 MW "in service" across Johor in early 2026. FT reported Alibaba and ByteDance train models in southeast Asia; Epoch names no user for this site.
Figures labelled Epoch AI are estimates from satellite imagery, permits and filings. Company figures come from the operator, owner or its filings. IT power is what the servers draw; in Epoch AI’s figures for these campuses it runs about 15–35% below total facility power.
Tenants
No tenant named in public sources.
Campus facts
- Operator
- DayOne 1
- Owner / developer
- DayOne 1
- City
- Johor Bahru (Kempas) 1
- State / region
- Johor 1
- Country
- Malaysia 1
- First power
- 2026-01 1
- Chips
- NVIDIA B300 (Epoch AI) 1
- GPUs / accelerators
- Not published
- Cooling
- Not published
- Power source
- Not published
- Coordinates
- 1.54° N, 103.71° E (town level)
- Verified
Sources
- Epoch AI data center profile: DayOne Kempas (CC-BY 4.0) (licence: CC BY 4.0) accessed 2026-11-09
- Epoch AI, AI data centers dataset (CC-BY 4.0, updated 2026-11-06) (licence: CC BY 4.0) accessed 2026-11-09