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United Kingdom

Slough: UK data center capital, 660 MW, but grid moratorium

Slough is the UK Frankfurt: 660 MW (LD4, LD8, Equinix LD), but SSEN announced a >25 MW grid connection moratorium until 2030.

Installed capacity

660 MW

PPA

85–110 £/MWh

PUE

1,42

Paris latency

1 ms

Highlights

LON-IX
Finance hub LD4 (Equinix)
>25 MW moratorium
1 ms latency to London

Operators on site

Equinix LD4/LD5/LD8Digital Realty SloughVirtus LONDON4Ark Slough

Nearby cities & region

Region: FLAP-D
FLAP-D concentrates 75% of EU data center capacity (3,200 MW).
🇩🇪 Frankfurt
With 850 MW (FRA1–FRA13), Frankfurt is Europe's #1 data center hub thanks to DE-CIX, the world's largest IXP.
🇬🇧 London
Slough (LON1–8) and East London host 920 MW.
🇳🇱 Amsterdam
Amsterdam hosts AMS-IX (28% of European Internet traffic) and 480 MW of data centers.
🇫🇷 Paris
Paris hosts 580 MW of data centers (PA1–PA12 Equinix, Interxion, Data4) on a 92% low-carbon nuclear-renewable mix.
🇮🇪 Dublin
Dublin (DUB1–DUB8) hosts Microsoft, AWS, Google, Meta, Equinix — 1.2 GW installed, 21% of national consumption.
🇳🇱 Rotterdam
Rotterdam combines world port, green hydrogen (Shell, BP) and Maasvlakte data centers.

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