The power grid is changing fast, and those changes could determine how stable, affordable and clean our energy is.

Your gadgets run on direct current, but the electricity in your home is alternating current. What’s up with that?

It's debated whether the AC should stay on or be turned off when people leave during the day. Here are some things to ...

Generators with built-in inverters are some of the best ways to protect your backup power. Smaller devices like universal power systems (UPS), power conditioners, and automatic voltage regulators can ...

Solar inverters change electricity from direct current to alternating current. Here's everything you need to know about solar inverters and when you need one.

What is electricity, and how does it work? What does it mean for electricity to seek a path to ground? These answers and more, plus a brief history of the War of the Currents, inside.

The cool air of AC helps a lot in saving from the scorching heat. The electricity bill also increases rapidly due to the use of AC. Do you know how many units of electricity an AC with 1.5 ton ...

The federal Energy Information Administration said that from 7 to 8 p.m. Eastern on July 28, Americans consumed 758,149 ...