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ReUseHeat quantified EU28 urban waste heat potential

The ReUseHeat report Accessible Urban Waste Heat shows a significant heat recovery potential from unconventional excess heat sources. Approximately 1.2 EJ (or 340 TWh) per year are possible to recover from data centres, metro stations, service sector buildings, and waste water treatment plants. This corresponds to more than 10 percent of the EU's total energy demand for heat and hot water, which is approximately 10.7 EJ (or 2,980 TWh).