OORBi (University of Liège)14d agoRetrofitting Abandoned Slate Mine For Long-Term Thermal Energy Storage: Lessons Learned From the WeForming and Ard-Nrgy ProjectsFrédéric Ransy·Vincent Lemort·Aitor Cendoyapeer reviewedRead at ORBi (University of Liège)TagsGeothermal Energy Systems and ApplicationsRenewable Energy, Sustainability and the Environment