I get a lot of questions about energy. Electricity consumption factors into many of them. Why are electric bills so high? How can I tell when it's time to replace a refrigerator? Most of us have ...

In August 2016, two 500-kilovolt transmission lines in San Bernardino County, California, tripped offline during a fire. As a result, some distance away, more than 1,000 megawatts of solar generation ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When tackling DIY projects that involve any kind of electrical wiring, components, or circuitry, you need ...

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.

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

What do energy usage in buildings and traffic congestion have in common? Crowdsourcing. Sometimes an outside perspective is all it takes to tackle a problem in an innovative way. And inferring ...

Electricity is a key aspect of life, and is required for organisms to move and communicate. The movement of tiny charged particles called ions across the membranes that enclose cells are what ...

Electricity is a key ingredient in living bodies. We know that voltage differences are important in biological systems; they drive the beating of the heart and allow neurons to communicate with one ...