ST. PETERSBURG, Fla., Feb. 1, 2026 /PRNewswire/ -- As Florida continues to experience the coldest air in the state since 2018, Duke Energy is asking all customers to voluntarily reduce their energy use from 5 to 9 a.m. EST on Monday, Feb. 2, 2026. This is due to extremely cold temperatures that are driving unusually high demand for electricity across the southeast. It is meant to help protect the grid and keep electricity flowing for as many customers as possible. Below are ways customers can lower their e ...