ComputeFinder

Data centre records

141 data centres and proposed sites, each with the facts we could source and a plain list of what we could not.

Most public data on individual data centres is thin. Capacity, power source and efficiency are often missing, and where they exist they are measured in different ways. So each record shows every figure with its metric (IT load, facility load or grid connection), its stage (announced, permitted, under construction, operating) and its source, and we never add them together. A blank means unknown, not zero.

For the largest AI campuses see frontier AI data centres. To see where this data comes from, and which sources we can and cannot reuse, see data sources.

Clear filters

Filters cover these 141 detailed records. Operating does not mean compute is available to buy. Stage dates and checked dates differ; open each record for its evidence and limits. A field-level view is on the coverage page. Epoch frontier sites are listed separately.

Showing 7 of 141 detailed records.

Matching records by stage

How many of our records sit at each stage. This counts sites, not megawatts.

  1. Announced2
  2. Under construction2
  3. Operating2
  4. Stage not known1
Show this chart as a table
Matching records by stage
StageSites
Announced2
Under construction2
Operating2
Stage not known1

Finland

Finland
SiteOperatorWhereStageRecord
Google Hamina data centreGoogleHaminaOperating
Recorded date: 9 September 2026
Checked 2 October 2026
LUMI (CSC, Kajaani)Not statedKajaaniStage not known
Stage date not recorded
Checked 17 October 2026
LUMI-AI AI Factory system, CSC KajaaniCSC (IT Center for Science)KajaaniAnnounced
Recorded date: 31 August 2026
Checked 2 October 2026
Microsoft Hepokorpi data centre, EspooMicrosoftHepokorpi, EspooUnder construction
Recorded date: 11 June 2026
Checked 2 October 2026
Microsoft Kirkkonummi data centre campusMicrosoftKirkkonummiUnder construction
Recorded date: 28 April 2026
Checked 2 October 2026
Nebius Lappeenranta AI factoryNebiusLappeenrantaAnnounced
Recorded date: 31 March 2026
Checked 2 October 2026
Nebius Mäntsälä data centreNebiusMäntsäläOperating
Recorded date: 8 October 2024
Checked 2 October 2026

By region

Browse all regions

How we label evidence
  • Official source the body that made the rule or the data says so
  • Two sources agree independent sources match
  • One source, not confirmed a single report or claim
  • Watching a signal, not shown as a fact