In energy efficiency and conservation: the reduction of losses and wastage in various energy stages from energy production to energy consumption through the adoption of appropriate measures that are technologically feasible, economically sound, environmentally-friendly, and socially affordable [Section 4(i), Energy Efficiency and Conservation Act of 2019; Rule II(k), Department Circular No. DC 2019-11-0014, Implementing Rules and Regulations of Republic Act No. 11285 (Energy Efficiency and Conservation Act)]
Note: Under the IRR, the term is written as “Energy Conservation”.