Wasted heat from London sewers and underground to warm buildings in £1bn scheme
Buildings in Westminster including the Houses of Parliament are to be warmed by low-carbon heat generated by the River Thames, London Underground and the sewers. Initiated by the government’s Department for Energy Security and Net Zero (DESNZ), the £1bn heat network scheme will enable around 1,000 London buildings, including listed and World Heritage Site buildings, to switch to low-carbon heating. Heat networks work by supplying heat from a central source and delivering it to a number of buildings via a network of underground pipes. Known as the South Westminster Area Network (SWAN), the scheme has reached a significant milestone with the announcement that it will be developed as a joint venture between heat network developers Hemiko and Vital Energi. Infrastructure consulting firm…