retail outlets / energy costs / energy efficiency initiatives / end-use energy efficiency measures / energy efficient appliances / electricity / energy consumption / higher electricity costs / lifetime energy cost / potential energy savings / energy efficient lighting / end-use energy efficiency / potential energy average price savings / energy efficiency measures / energy-efficiency program / low initial cost product / energy efficient bulbs / potential future energy savings / energy efficient measures / electricity rate / energy efficiency / consistent performance / end-use energy efficiency systems / energy savings / energy / supply side energy efficiency measures / /