Dr Julien Mouli-Castillo presented the work done as part of GEMS at the World Energy Storage Conference 2022. His talk entitled “Mine water geothermal heat storage: building upon a legacy” showcased the progress made on the GEMSToolbox code designed to evaluate the evolution of temperatures inside the mine workings. The talk received a lot of attention and was awarded the prize for ‘best presentation’ in the Session Application Through Integration.