All records
Data center siteSite record
DayOne–Hyperco Kouvola Data Center
Kouvola / Koria / Hiivuri, FinlandUnder construction
Capacity
—
No public figure
Lead participant
DayOne Data Centers
Developer
Last updated
Aug 22, 2026
Most recent public record update
About DayOne–Hyperco Kouvola Data Center
Hyperco, DayOne and TikTok are developing a data center in Koria, Kouvola. The first approximately 28,000 m² facility is under construction, with completion targeted for May 2027.
Capacity
Operating capacity—An operating IT-capacity figure has not been publicly disclosed.
No additional capacity claims are published.
Development
2 phases · 5 milestonesKoria first data center facilityUnder Construction
Approximately 28,000 m² first facility developed for TikTok.
1 building
Kouvola customer deliveryPlanned
Targets are preserved without declaring operation.
1 building
May 6, 2025
TikTok confirms €1B Kouvola project
CompletedSep 11, 2025
Kouvola foundation-stone ceremony
CompletedOct 1, 2025
YIT begins main construction
CompletedDec 1, 2026
Customer targets operation by end-2026
ForecastMay 1, 2027
Contractor targets May 2027 completion
ForecastInfrastructure
Electric GridUnder Construction
No authoritative numeric capacity assigned to the first facility.
Electric GridReported Context
281 MW
Combined Lahti and Kouvola headline; no arithmetic allocation to either site.
Project map
0 of 1 project point mappedInfrastructure facts
2
Mapped records
1
Capacity figures
1
No map point available
Power & interconnection: 2
Facts & sources
Published claims and their source links.
Current StatusUnder constructionActual
Under construction
LocationKoria / Hiivuri, KouvolaActual
Koria / Hiivuri, Kouvola
DeveloperHypercoActual
Hyperco
Development PartnerDayOneActual
DayOne
Principal UserTikTokActual
TikTok
Tiktok Announced Investment€1,000,000,000Transaction Scope
€1,000,000,000
Foundation StoneLaid 2025-09-11Actual
Laid 2025-09-11
Main Construction StartLate October 2025Actual
Late October 2025
Building Area28,000 square metresReported Rounded
28,000 square metres
Tiktok Operation TargetEnd of 2026Forecast
End of 2026
Sources report a conflicting figure.
Contractor Completion TargetMay 2027Forecast
May 2027
Sources report a conflicting figure.
Site CapacityUndisclosedProposal
Undisclosed
Data Security ProgramTikTok Project CloverActual
TikTok Project Clover