Puget Sound Energy committed to halving its carbon footprint by 2040.: Pension funds OMERS and PGGM have acquired stakes in Puget Sound Energy, after Macquarie has exited its investment in the US energy company. Other existing institutional shareholders have also increased their stakes. British Columbia Investment Management Corporation (BCI) and Alberta Investment Management Corporation (AIMCo), which have held interests in the company since 2009, now own 20.9% and 13.6%, respectively. Canada Pension Plan Investment Board (CPPIB), which has also been an investor since 2009, maintains its 31.6% position.