The lowly lightbulb outshines solar and wind on U.S. power grids – The Denver Post
Duke Energy's Store Sells Sort-Of-Free Lightbulbs | WFAE 90.7 - Charlotte's NPR News Source
Simply Conserve 6 watt Globe LED (4 pack) | Duke Energy Online Savings Store
Zensible Mama: FREE Energy-saving light bulbs from Duke Energy
Why are you paying for bulbs? This power company giving them away | wfmynews2.com
Duke Energy Free Light Bulbs! - Savings Lifestyle
Duke Energy Commercial LED Lighting Rebates in Anderson - Krut LED®
Electric Savings Kit | Duke Energy Online Savings Store
Grown People Talking: Thanks Duke Energy for the Free Light Bulbs
Lighting
Free LED Bulbs And Energy Conservation Kits | MomsWhoSave.com
Duke Energy distributing 10 million free light bulbs
Lighting
Duke Energy - Over time and throughout your home, it's scary how much energy you can save with LED bulbs! | Facebook
Duke Energy Water Kit? : r/triangle
EcoSmart 60-Watt Equivalent A15 Dimmable Appliance Fan Clear Glass Filament LED Vintage Edison Light Bulb Daylight (3-Pack) FG-04196 - The Home Depot
The Duke Energy Club
What went wrong at Duke Energy? – Carolina Forward
Duke Energy's Store Sells Sort-Of-Free Lightbulbs | WFAE 90.7 - Charlotte's NPR News Source
Simply Conserve L09A1927KENCL 9W (60W equiv) Dimmable Energy Star Light Bulb A19 LED Lightbulb, 1 Count (Pack of 1), Warm White - Amazon.com
Get Free LED Light Bulbs from Duke Energy - Powertech Electrical NC
EcoSmart 100-Watt Equivalent A15 Dimmable Appliance Fan Clear Glass Filament LED Vintage Edison Light Bulb Soft White (3-Pack) FG-04204 - The Home Depot
Simply Conserve L09A1927KENCL 9W (60W equiv) Dimmable Energy Star Light Bulb A19 LED Lightbulb, 1 Count (Pack of 1), Warm White - Amazon.com
The Best Energy-efficient Light Bulbs for Your Home
Say bye-bye to incandescent light bulbs
