Business1 hOctober 14, 2026, 22:17

Data center power costs push Portsmouth port ships back to diesel

Rising grid prices driven by AI data center demand have led Portsmouth International Port, the UK's largest municipal port, to shift docked ships from shore power to onboard diesel generators. Electricity accounts for up to 85% of the port's cost per shore-powered vessel, and the port is asking the UK government to scrap VAT on shore power.

BGR

Open source

Data center power costs push Portsmouth port ships back to diesel

Electricity is up to 85% of port cost per shore-powered ship
Vessels switch to oil-based onboard diesel generators
Port asks UK to remove VAT on shore power
Port's 2035 net-zero goal at risk amid high prices

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Data center power costs push Portsmouth port ships back to diesel

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