Simple, low-cost to no-cost solutions will help customers save on their electric bills this holiday seasonST. PETERSBURG, Fla., Dec. 2, 2024 /PRNewswire/ -- Duke Energy Florida's "12 Days of Savings" offers a schedule of suggested low-cost to no-cost energy efficiency tips to help customers save on their electric bills and lower their energy use this holiday season."The holidays are a time for gathering with family and loved ones, which means our customers will inevitably use more energy," said Melissa Sei ...