An electric meter placed outside a home by Duke Energy measures how much electricity flows from solar panels to the grid and balances that amount with the amount used by the home.
An electric meter placed outside a home by Duke Energy measures how much electricity flows from solar panels to the grid and balances that amount with the amount used by the home. MARK HAMES mhames@charlotteobserver.com
An electric meter placed outside a home by Duke Energy measures how much electricity flows from solar panels to the grid and balances that amount with the amount used by the home. MARK HAMES mhames@charlotteobserver.com

Charlotte reviews progress on ‘Smart Cities’ race

March 24, 2015 02:37 PM