United States, May 15 -- Duke Energy ceremonially broke ground on its new project that will modernize and expand power generation at the existing Cayuga power plant in Vermillion County.About the projectDuke Energy is building two highly efficient, combined cycle natural gas turbines at the site of the Cayuga Generating Station.The new natural gas facilities, which will be called the Cayuga Energy Complex, will increase generating capacity at Cayuga by 470 megawatts to a total of 1,476 megawatts - that's enough to power 1.1 million homes in the company's Indiana service area. The plant will use combined cycle technology, which will capture waste heat normally lost from a natural gas turbine and use it to power a steam turbine so it can extr...