Alignment with strategic priorities Capex Barriers44 Opportunity Action required to realise opportunity Assume penetration rate of 29% above BAU Lifespan of insulating assets is assumed to be 30 years. Residential New air-conditioners and space heaters purchased are in the top Lack of minimum HVAC performers of their category (named high-efficiency).HVAC systems standards (heating, are maintained more frequently (improved duct insulation, correct Low energy ventilation level of refrigerant and new air filters). prices and air- Upfront capital conditioning) $0.4/m2 Assumptions owners 6,893 -182 -$36.6 Long payback Energy savings of 6% can be achieved on gas heating; 16% on Split incentive electric heating; and 12% on air-conditioning. High transaction Home Improved maintenance of HVAC systems can achieve an average costs further savings of 8%. Lifespan for all HVAC technologies is assumed to be 20 years. Residential New appliances and electronics purchased are in the top performers Lack of minimum appliances of their category (named high-efficiency) standards and Low energy electronics Assumptions $0.7/m2 25,328 -179 -$0.6 prices Energy savings of 25% can be achieved above BAU. Upfront capital tenant Building Lifespan for electronics and appliances is assumed to be 10 years. High transaction Assume penetration rate of 38% above BAU by 2020. costs Residential Replace standard quartz halogen bulbs and CFLs with LEDs. Low energy lighting prices Assumptions Upfront capital $0.2/m2 Energy savings of 30% can be achieved by switching quartz owners 11,732 -99 -$0.1 Long payback halogen to LEDs; and 42% from switching CFLs to LEDs. (CFLs to LEDs) Penetration rate 30% for replacing quartz halogen and 42% for Home replacing CFLs can be achieved above BAU by 2020. 83
Opportunity Action required to realise opportunity Capex Barriers44 Alignment with strategic priorities Assume penetration rate of 29% above BAU Lifespan of insulating assets is assumed to be 30 years. Residential HVAC (heating, ventilation and air- conditioning) New air-conditioners and space heaters purchased are in the top performers of their category (named high-efficiency).HVAC systems are maintained more frequently (improved duct insulation, correct level of refrigerant and new air filters). Assumptions Energy savings of 6% can be achieved on gas heating; 16% on electric heating; and 12% on air-conditioning. Improved maintenance of HVAC systems can achieve an average further savings of 8%. Lifespan for all HVAC technologies is assumed to be 20 years. Home owners 6,893 -182 -$36.6 $0.4/m2 Lack of minimum standards Low energy prices Upfront capital Long payback Split incentive High transaction costs Residential appliances and electronics New appliances and electronics purchased are in the top performers of their category (named high-efficiency) Assumptions Energy savings of 25% can be achieved above BAU. Lifespan for electronics and appliances is assumed to be 10 years. Assume penetration rate of 38% above BAU by 2020. Building tenant 25,328 -179 -$0.6 $0.7/m2 Lack of minimum standards Low energy prices Upfront capital High transaction costs Residential lighting Replace standard quartz halogen bulbs and CFLs with LEDs. Assumptions Energy savings of 30% can be achieved by switching quartz halogen to LEDs; and 42% from switching CFLs to LEDs. Penetration rate 30% for replacing quartz halogen and 42% for replacing CFLs can be achieved above BAU by 2020. Home owners 11,732 -99 -$0.1 $0.2/m2 Low energy prices Upfront capital Long payback (CFLs to LEDs) 83