The Compendium of Energy Efficiency Policies in APEC Economies seeks to promote information sharing of energy efficiency and energy conservation policies and practices across APEC economies. It contains information on energy efficiency policies and initiatives in all APEC economies (with the exception of Papua New Guinea). From 2017, APERC revamped The Compendium turning into a living document, which will be updated with information gathered through other projects such as the annual APEC Energy Overview and Participation in meetings of the APEC Energy Working Group (EWG) and the Expert Group on Energy Efficiency and Conservation (EGEE&C).