​Geological Survey Ireland have partnered with TU Dublin to explore the geothermal resource beneath Dublin city centre. In 2021, a temperature of 38°C was measured in an exploratory borehole at a depth of 1km beneath the surface. Given that there should be a constant increase in temperature with an increase in depth, this result indicates that the energy required for district heating, 80-90°C, may be located by drilling to depths of between 2km and 3km. TU Dublin has ambitions to be the first deep geothermal district-heating demonstration project in Ireland, and is expected to provide valuable lessons for the development of an indigenous geothermal industry in the future.​​