epa10224519 A photo taken using a drone shows the Solar Park 'Lightsource bp' currently under construction in the Kozani region, Greece, 04 October 2022 (issued 05 October 2022). The 225 MW solar park in the northern Greek town of Kozani is being built by Greece's biggest oil refinery Hellenic Petroleum. Greece aims to almost double its installed capacity from renewables to about 19GW by 2030. EPA/DIMITRIS STRAVOU