What do Americans want from their investments in energy efficiency? First of all, they want cost savings. Miles Meehan, a spokesman for HomeServeUSA, gives details of a new poll conducted by Harris of 2,100 Americans.

Why are National Grid's energy efficiency programs so successful in Rhode Island? Laura Rodormer and Matthew Ray, senior strategic business analysts at National Grid, describe the popular efficiency programs--plus the company's solar program. Customers who achieve high levels of energy efficiency...