SOUTHAMPTON’S geothermal heating network will be extended to a major new city residential development today.

Residents of the Gantry development, a block of 115 flats being built next to The Mayflower theatre, will have their energy bills cut by about ten per cent.

The £650,000 expansion of the city’s district energy scheme will save 190 tonnes of carbon emissions each year.

The scheme annually saves a total of 11,000 tonnes of CO2.

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