Philippine-based ACEN Corp (<a href="https://edge.pse.com.ph/companyPage/stockData.do?cmpy_id=233" target="_blank">PSE:ACEN</a>) and a unit of Japanese trading company Marubeni Corp (<a href="https://quote.jpx.co.jp/jpx/template/quote.cgi?F=tmp%2Fe_stock_detail&QCODE=8002&MKTN=T&cht=21&mode=D#chart" target="_blank">TYO:8002</a>) have teamed up to jointly develop a 200-MW/400-MWh battery energy storage system (BESS) project in the Aussie state of New South Wales.