National Grid · expansion
National Grid Agrees Land Deal for Teesside Substation
National Grid's agreement to buy 29.5 hectares at Dorman Point advances a proposed 400kV substation for a major customer connection, but construction still requires planning and Ofgem approvals.
What did National Grid agree to buy?
National Grid Electricity Transmission agreed to purchase 29.5 hectares at Dorman Point on Teesside for its proposed 400kV Tees Dock substation, intended to support a neighbouring data-centre development.
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Why does the land agreement matter to National Grid's investment case?
The project is driven by customer connection requests, and National Grid says its preferred indoor gas-insulated design fits the land offered by the owner, avoiding compulsory purchase that it estimates could take 12–24 months.
Can National Grid start construction now?
Not yet: National Grid's October 2026 needs-case submission seeks Ofgem approval, with a further Project Assessment planned only if approval is granted, and the project also requires planning consent.
What financial return has National Grid disclosed?
The land purchase price, project-level capital cost, expected revenue and investment return are not disclosed in the sources reviewed; National Grid's filing provides only relative cost comparisons between design options.
Sources
- National Grid Electricity Transmission — Tees Dock Substation Needs Case Summary
- The Guardian — National Grid to site biggest substation in UK near planned Teesside datacentre
- Sky News — National Grid sparks deal to pave way for giant UK data centre
Original signal: The Guardian ↗
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