AI Matters
Why it matters
National Grid plans UK's biggest substation near a planned AI datacentre
The Guardian AI National Grid to site biggest substation on Teesside, near planned AI datacentre
National Grid has taken a step toward building Britain's biggest electricity substation on Teesside, which could supply a large neighbouring datacentre.
Why it matters
Power supply is a bottleneck for AI datacentres; new capacity could bring investment to north-east England.
Latest brief · Nov 2, 2026