The European Commission has approved a deal that will see Japanese project developer Mitsui & Co <a href="https://quote.jpx.co.jp/jpx/template/quote.cgi?F=tmp/e_stock_detail&MKTN=T&QCODE=8031" target="_blank">(TYO:8031)</a>, local energy firm Osaka Gas Co Ltd <a href="https://quote.jpx.co.jp/jpx/template/quote.cgi?F=tmp/e_stock_detail&MKTN=T&QCODE=9532" target="_blank">(TYO:9532)</a> and a unit of Germany's RWE AG <a href="https://www.boerse-frankfurt.de/equity/rwe-ag-st" target="_blank">(ETR:RWE)</a> set up a joint venture to develop a 684 MW offshore wind project in Japan.