{"schemaVersion":"report-figure-v1","report":{"slug":"gb-demand-connection-queue-2026","title":"One Queue, Two Bases: Reading Britain's Data Centre Connection Numbers","url":"https://solaranalytica.com/gb-demand-connection-queue-2026","datePublished":"2026-08-23","lastReviewed":"2026-08-23"},"figure":{"id":"gb-data-centre-size-bands","title":"Data centre queue by size band: share of projects against share of capacity","unit":"per cent","valueLabel":"Share of projects","valueBLabel":"Share of capacity","provenance":{"dataSource":"Ofgem, Curate: Demand Connections Reform, Table 1","dataType":"Published regulatory analysis; project shares computed from Ofgem's counts","scope":"Around 315 data centre projects totalling around 73 GW","statistic":"Share of count and share of contracted capacity","interval":"As published 29 July 2026"},"caption":"Each size band's share of the 315 queued data centre projects against its share of the 73 GW of contracted capacity.","series":[{"label":"Small (0 to 10 MW)","value":3.5,"valueB":0.1},{"label":"Medium (10 to 50)","value":14.9,"valueB":1.9},{"label":"Large (50 to 100)","value":16.2,"valueB":4.8},{"label":"Extra-large (100 to 500)","value":52.7,"valueB":50.2},{"label":"Hyper (500 and above)","value":12.7,"valueB":43}]},"csv":"https://solaranalytica.com/reports/gb-demand-connection-queue-2026/figures/gb-data-centre-size-bands/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}