Australian renewables and energy storage firm Genex Power Ltd (<a href="https://www.asx.com.au/markets/company/GNX" target="_blank">ASX:GNX</a>) has extended until April 15 the exclusivity period given to its suitor, Japanese utility Electric Power Development Co Ltd (<a href="https://quote.jpx.co.jp/jpx/template/quote.cgi?F=tmp/e_stock_detail&MKTN=T&QCODE=9513" target="_blank">TYO:9513</a>), or J-Power, to seal a definitive agreement on its AUD-381-million (USD 250.9m/EUR 231.8m) takeover proposal.