Electric Utility Brands

American energy company operating regulated utilities and renewable energy businesses across multiple states, owned by Berkshire Hathaway.

Duke Energy's regulated electric utility subsidiary serving approximately 3.8 million customers across western and central North Carolina and western South Carolina, tracing its origins to Duke Power Company founded in 1904 by James Buchanan Duke, operating a diverse generation fleet including nuclear, natural gas, coal, hydro, and solar, with a 2025 Carolinas Resource Plan filed to guide the clean energy transition through 2050.

Duke Energy's regulated electric utility subsidiary serving approximately 1.8 million customers across central and northern Florida, tracing its origins to Florida Power Corporation founded in 1899, acquired by Duke Energy through the 2012 merger with Progress Energy, operating a generation fleet of natural gas, solar, and battery storage as it transitions away from coal and retired nuclear capacity.

Duke Energy's regulated electric utility subsidiary serving approximately 1.7 million customers across eastern North Carolina and South Carolina, tracing its origins to Carolina Power and Light Company founded in 1908, operating a generation fleet of nuclear, natural gas, coal, and solar, acquired by Duke Energy through the 2012 merger with Progress Energy, with a 2025 Carolinas Resource Plan filed and a proposed combination with Duke Energy Carolinas pending regulatory approval.

NextEra Energy's primary electric utility subsidiary providing electricity to millions of customers across Florida.

Former electric utility serving approximately 470,000 customers in northwest Florida, founded in 1911 and operated as an independent utility under Southern Company until NextEra Energy acquired it in January 2019 for approximately $6.475 billion; Gulf Power was legally merged into Florida Power and Light (FPL) on January 1, 2022, and no longer exists as a separate operating entity.