00:00A heat network backed by £41 million could warm 650,000 London homes using recycled heat.
00:08Excess heat from data centres and factories would be carried through hot water pipes.
00:13The project is subject to planning consent and would initially link seven boroughs,
00:18from Bexley through Greenwich, Lewisham, Southwark, the City of London, Lambeth and Westminster.
00:24While a tunnel is built under and alongside the Thames,
00:27electric barges are planned to move hot water 25km each day.
00:33Ministers say the £90 million investment will cut waste, support jobs and help lower heating costs.
00:40The project could be completed in the early 2030s.
