Models MLH32, MLH42, MLW72, MLW82. Date introduced October 27, 2016. Off mode 0.25 Watts, Sleep mode 0.56 Watts. Power adapter efficiency 90.5%. The 15-inch MacBook Pro far exceeds ENERGY STAR Program Requirements for Computers Version 6.1, consuming as little as one fifth of the allowable energy. In addition, it consumes 17 percent less energy than the previous-generation 15-inch MacBook Pro with Retina display.