DayOne data centres
As of 16 October 2026, the Data Centre Register lists 18 data centres operated by DayOne in 7 markets, with 300 MW of live IT capacity and 2,138 MW in the pipeline (474 MW under construction, 527 MW committed and 1,137 MW at an early stage).
Markets
Capacity by stage
| Stage | Sites | IT capacity |
|---|---|---|
| Live | 6 | 300 MW |
| Under construction | 6 | 474 MW |
| Committed | 4 | 527 MW |
| Early stage | 2 | 1,137 MW |
| Land banked | 0 | – |
| No capacity listed | 0 | – |
A site counts in the most advanced stage that has capacity listed. Pipeline is under construction, committed and early stage together.
Cities
| City | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Iskandar Puteri | 3 | 215 | 405 |
| Johor Bahru | 1 | 40 | 460 |
| Nurmijarvi | 1 | 0 | 420 |
| Don Hua Lo | 1 | 0 | 300 |
| Kouvola | 1 | 0 | 150 |
| Lahti | 1 | 0 | 128 |
Types of data centre
DayOne has 18 colocation and 0 self-build data centres in the register. By category: Wholesale (16), Build-to-suit (1). Ready-for-service years listed run from 2023 to 2028.
See every DayOne site on the map
The register has a record for each of these 18 sites: operator, address, coordinates, capacity by stage, ready-for-service year and sources. Sign in with Google for a free account: 5 full site records and 100 sites in lists a day. Pro (US$49 a month) opens 300 records a day, full query lists and Ask AI.
Frequently asked questions
- How many data centres does DayOne operate?
- The Data Centre Register lists 18 data centres for DayOne as of 16 October 2026: 6 live, 6 under construction, 4 committed and 2 at an early stage.
- What is DayOne's data centre capacity?
- DayOne has 300 MW of live data centre IT capacity listed, plus 2,138 MW in the pipeline, for 2,438 MW in total.
- Where does DayOne have data centres?
- DayOne's largest markets by IT capacity are Malaysia, Finland, Thailand, Hong Kong and Japan.
- Where does this data come from?
- The Data Centre Register at globaldcwiki.com is built from a register of data centre sites. Every proposed change is checked against outside sources and accepted by an admin before it appears. Figures were last updated on 16 October 2026.
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Last updated 16 October 2026. Cite as: Data Centre Register, "DayOne data centres", https://www.globaldcwiki.com/operators/dayone.