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.

Belgian grid operator Fluvius plans to install around 403,000 smart meters in solar-powered homes by 2025, when their use becomes mandatory. So far, the company has installed 553,500 smart meters ...

Peterson told the worker to come back the next day, and his digital meter was replaced with a new one on July 3, a Saturday. He installed his solar power system in the summer of 2009 through an ...