GIS-Based Assessment of Hybrid Pumped Hydro Storage as a Potential Solution for the Clean Energy Transition: The Case of the Kardia Lignite Mine, Western Greece. - Pavlos Krassakis; Andreas Karavias; Evangelia Zygouri; Christos Roumpos; Georgios Louloudis; Konstantina Pyrgaki; Nikolaos Koukouzas; Thomas Kempka; Dimitris Karapanos (Sensors, 2023)