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.

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

Solar panels use a scientific concept called the photovoltaic effect to turn sunlight into electricity. Here's a deep dive into how it all works.

Considering switching to off-grid solar energy? Learn the pros and cons of different systems, regulations, and how to break down the costs.