A free Duke Energy program offers annual bill credits to select customers. Here's what to know.

Use these seven tips to save money on energy this summer and lower your electricity bill with a little planning ahead.

Most Americans use electricity all the time and think about it none of the time — or at least, not until the bill rolls in. But with energy prices rising thanks to inflation and other factors, any way ...

These small changes to your HVAC habits could help lower your energy costs without making your home uncomfortable.

Plug-in solar has long been popular in Europe, but rising energy costs and a raft of new state laws are boosting its ...