“Several times a year, households in one program receive a two-page sheet that compares their energy use with that of similar homes and "efficient" homes in the area. It also includes tips for saving energy, such as turning off the water heater while on vacation.
The program, run by Opower Inc. of Arlington, Va. for more than 90 utilities, has reduced energy use for participating utilities by 1.8% - 3%.”
How to Cut Residential Energy Use
September 28, 2014