United States, Dec. 10 -- Duke Energy Florida announced the completion of two new solar energy sites: Half Moon Renewable Energy Center in Sumter County and Rattler Renewable Energy Center in Hernando County.Why it mattersExpanding solar energy helps displace the cost of fuel, like natural gas, that would otherwise be needed to generate electricity.?This creates savings for customers because the price Duke Energy Florida pays for fuel is a direct pass-through cost reflected on their bills. The two solar sites each produce 74.9 megawatts (MW) of clean energy that have been added to the electric grid, saving the company's 2 million customers an estimated $500 million over their service lifetimes. These sites are part of the first phase of an ...