"The pipe that will supply the heat pump, drawing water from the River Rhine in Germany, is so big that you could walk through it, fully upright, I'm told. "We plan to take 10,000 litres per second," says Felix Hack, project manager at MVV Environment, an energy company, as he describes the 2m diameter pipes that will suck up river water in Mannheim, and then return it once heat from the water has been harvested."
"Two units, each with a capacity of 82.5 megawatts. That's enough to supply around 40,000 homes, in total, via a district heating system. MVV Energie aims to build the system on the site of a coal power plant that is converting to cleaner technologies. The scale of the heat pumps was determined partly by limits on the size of machinery that could be transported"
Massive heat pump modules are planned in Mannheim that will draw river water from the Rhine through two‑metre diameter pipes capable of delivering 10,000 litres per second. Two heat pump units, each rated at 82.5 megawatts, would provide about 40,000 homes with heat through a district heating network. The installation is sited on a former coal power plant being converted to cleaner technologies. Machinery size was influenced by transport limits through Mannheim streets or potential barge shipment along the Rhine. Manufacturers such as MVV Environment and Everllence compete to build extremely large heat pumps for urban decarbonisation.
Read at www.bbc.com
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