Danish power cable manufacturer NKT A/S (<a href="https://www.nasdaq.com/european-market-activity/shares/nkt?id=CSE3478" target="_blank">CPH:NKT</a>) has signed an agreement with Norwegian aluminium company Norsk Hydro ASA (<a href="https://live.euronext.com/en/product/equities/NO0005052605-XOSL" target="_blank">OSE:NHY</a>) to secure a long-term supply of low-carbon aluminium wire rod for power cables, the companies said today.