This document discusses improving energy efficiency in community buildings in northern territories. It provides examples of how insulating buildings, installing efficient appliances and lighting, and implementing behavioral changes can significantly reduce energy usage and costs. Specific strategies mentioned include adding roof insulation, sealing air leaks, installing heat recovery ventilation, and switching to more efficient heating sources like heat pumps. Case studies show potential savings of 10-20% from insulation, 10-15% from sealing, and up to 80% reduction in lighting costs from LED bulbs. Overall, the document encourages analyzing current energy usage and exploring options to lower demand and choose renewable energy sources.