US-based energy storage provider Powin LLC has been tapped by Galp Energia SGPS SA (<a href="https://live.euronext.com/en/product/equities/PTGAL0AM0009-XLIS#:~:text=GALP%20ENERGIA%2DNOM%20%7C%20PTGAL0AM0009%20%7C%20Euronext%20exchange%20Live%20quotes" target="_blank">ELI:GALP</a>) to build a 5-MW/20-MWh battery energy storage system (BESS) at one of the solar farms of the Portuguese energy group in southern Spain.