On the Smart Grid, a Watt Saved is a Watt Earned

On the Smart Grid, a Watt Saved is a Watt Earned

U.S. electricity regulator Jon Wellinghoff says a ­smart electrical grid could cut the need for new power plants. He's got an app to prove it.
What would the electrical grid look like if everyone could get paid to save energy? Jon Wellinghoff, chair of the Federal Energy Regulatory Commission, the U.S. agency that regulates electricity transmission, thinks that's the future.