In Gateshead, north-east England, a solar park provides electricity for a mine water heat pump that provides district heating. Graeme J Baty/Shutterstock November 20, 2025 How heat from old coal mines became a source of local pride in this northern English town – new study Michael Smith, Northumbria University, Newcastle and Faye Doughty, Northumbria University, Newcastle Mine water district heating schemes provide an opportunity to involve communities in their energy futures.