Most homes already have a smart meter that digitally communicates with the electric grid. If you're looking to get rooftop solar panels, a smart meter is an essential piece of equipment. Here's why.

DENVER — After seeing a smart meter on TV for another Xcel Energy story, Rick Negreann and his wife, Rae, realized they didn't have one on their home. They're lucky, because their nephew is a 9NEWS ...

National Grid is in the process of swapping out all traditional electric meters with smart meters, which can connect to Wi-Fi, allowing customers to see their energy usage in real time. Customers can ...