National Grid eyes £400M investment to extend life of U.K.-France power link to 2050

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National Grid (NGG) said Thursday it plans to spend up to £400M ($531M) to extend the life of the Interconnexion France-Angleterre electricity link between the U.K. and France until at least 2050.
The U.K. has nearly a dozen electricity connectors with northwest European countries, but IFA is its largest subsea connection by capacity and can supply enough electricity to power ~3M British homes annually.
Britain should preserve into the second half of the century the ability to access cheaper French nuclear generation when the price of wholesale power is high in the U.K., helping to lower prices for British consumers, National Grid (NGG) said.
The investment is part of National Grid's (NGG) wider plans to invest at least £70B ($93B) across its operations over the five years to March 2031, the U.K. grid operator said.
National Grid (NGG) said its interconnectors have delivered $2.66B (£2B) in net benefits to British consumers since 2023, compared with traditional gas generation.
"As renewable generation grows, interconnectors can provide further opportunities to export electricity when UK supply exceeds domestic demand," the company said.
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