{"schemaVersion":"1.0","id":"londons-data-centre-power-demand","dataset":"data-centre-power-demand","title":"London's data-centre power demand","description":"Operating demand beside the capacity already requested from the electricity grid.","methodology":"The GLA reports 99 operating sites delivering around 760 MW and a grid connection queue around ten times current capacity. The queued value is therefore shown as an approximate 7,600 MW derived estimate: it is requested capacity, not consented, built or inevitable demand.","category":"technology","categoryLabel":"Technology","cadence":"irregular","placeholder":false,"landingPage":"https://londongraph.com/g/londons-data-centre-power-demand","markdown":"https://londongraph.com/g/londons-data-centre-power-demand/index.html.md","source":{"name":"Greater London Authority — Infrastructure","url":"https://www.london.gov.uk/mayor-sets-ambition-london-be-global-leader-green-data-centre-innovation-and-pledges-coordinated","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"updatedAt":"2026-10-18T03:04:21.144Z","release":{"label":"London Data Centres Evidence Base 2025","publishedAt":null,"resourceUrl":"https://www.london.gov.uk/mayor-sets-ambition-london-be-global-leader-green-data-centre-innovation-and-pledges-coordinated","methodologyUrl":"https://www.london.gov.uk/mayor-sets-ambition-london-be-global-leader-green-data-centre-innovation-and-pledges-coordinated","sha256":"3ab253eb0b4d173452f7260f3fbbde4a1f43b99279e34fcc2d2adeb8bbc61e8d"},"observations":[{"series":"","buckets":["Operating sites","Grid connection queue"],"values":[760,7600],"unit":"MW peak demand","metadata":[{"metrics":{"siteCount":99}},{"flags":["estimated"],"metrics":{"multiplier":10}}]}],"areaStatistics":null,"visualizations":[{"id":"overview","label":"Overview","description":"Operating demand beside the capacity already requested from the electricity grid.","url":"https://londongraph.com/g/londons-data-centre-power-demand","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null}],"availability":"observations","note":"The release is complete for the measures represented on the graph page."}