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New undersea power cable between UK and France powered up for first time

Christian Fernsby |
National Grid launched Britain’s latest interconnector, the IFA2, a cable that runs along the seabed between Portsmouth in the UK to Caen in France sharing surplus clean energy between the two countries.

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IFA2 is expected to deliver 1.2% of Britain's electricity needs, enough to power up to 1 million homes with zero carbon energy.

By the end of its first year in operation, IFA2 will have helped avoid 1.2 million tonnes (Mt) of CO2 from entering the atmosphere, equivalent to planting 50 million trees.

In a statement, National Grid said IFA2 is the latest feat of engineering helping to transform Britain’s energy system.

In the last decade, Britain’s power grid has decarbonised faster than that of any other developed country with a 64% decline in carbon emissions and interconnectors have played a critical role in this, the utility company added.

Interconnectors will enable Britain to sell any excess renewable energy to neighbouring countries, National Grid says.

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