Austria will need a battery energy storage capacity of 8.7 GW by 2040 to address the expansion of renewable systems and the rising power demand, according to<a href="https://pvaustria.at/wp-content/uploads/Flexibilitaets_und_Speicherbedarf_im_AT_Energiesystem_APG_PV-Austria_TU-Graz_d-fine.pdf" target="_blank"> a study</a> published on Thursday.