A similar system, also using heat from wastewater, is planned in Hamburg, according to reports. It will have a capacity of 60MW, though this too will rely on multiple heat pumps linked together, a spokeswoman for Hamburg Wasser, the water company involved in the project, says.
Source : https://www.bbc.co.uk/news/business-65321487?at_medium=RSS&at_campaign=KARANGA