Three major European hubs now rate AVOID as Grid Constraint scores exceed 76/100. US BUILD markets widen to eight regions.
London holds a DCPI composite score of 10.1/100 with an AVOID verdict as of 2026-11-11. Its Grid Constraint score stands at 77.8/100, signaling acute transmission friction and minimal headroom for new load.
Dublin and Amsterdam post similarly severe verdicts: Dublin scores 13.1/100 (Grid Constraint 76.1/100), and Amsterdam scores 12.1/100 (Grid Constraint 76.0/100). All three major European data-center hubs now carry AVOID ratings driven by grid saturation rather than power scarcity. London's Excess Power score of 17.0/100 shows available generation capacity exists, but the network cannot route it efficiently to new facilities.
Capacitors planning European footprints face a fundamental mismatch: power generation is accessible, but distribution networks lack the headroom to absorb new demand. Build timelines in London, Dublin, and Amsterdam will depend on grid upgrade cycles measured in years, not quarters. Site-selection teams should redirect near-term European expansion to secondary markets with lower constraint scores or pause European builds until transmission upgrades clear the queue.
Conversely, eight US markets now carry BUILD verdicts (composite scores 66–81/100), spanning ERCOT, WECC, MISO, and SPP. Midland–Odessa leads at 80.6/100; Upper Peninsula MI, Williston ND, and Rural SPP all exceed 75/100. The grid constraint bottleneck that has constrained European capacity deployment is not yet acute in the mid-continent or Southwest.
DCPI composite scores weight Excess Power (generation headroom) and Grid Constraint (transmission friction) with market-specific supply-chain and permitting data. Scores run 0–100; AVOID applies to composites below 30/100. Grid Constraint runs inversely: higher scores indicate tighter networks and lower headroom for new load. Rankings update daily.
Source: DC Hub Data Center Power Index (https://dchub.cloud/dcpi). Updated daily.
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