Era4

Era4 (formerly Carbon3.ai) is building the UK’s sovereign, secure, and sustainable AI platform. Vertically integrated to bypass grid constraints, the company transforms legacy industrial sites into high-performance, lower-carbon AI data hubs powered by independent, off-grid energy sources.

All data processing and infrastructure remain strictly within UK jurisdiction. Operating over 40 nationwide sites, Era4 deploys high-density, liquid-cooled architectures equipped with NVIDIA HGX B-series chips. Backed by partnerships with technology leaders like HPE, WWT, and Civo, Era4 provides low-latency, scalable AI compute to secure the UK's sovereign digital future.

Era4 Data Center Map

Era4 Power Growth Over Time

Operational
Construction
Planned
Prospective
Land Bank
In Doubt
Currently Operational
across NN Request Dataset sites
Under Construction
NN Request Dataset sites currently building
Planned / Prospective
NN Request Dataset sites announced, but haven't started construction

Era4 Locations

Era4 Data Center Photos See all

Rendering of Carbon3's proposed data center in Derbyshire
Source: Carbon3.ai

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