The New Orleans Sewerage and Water Board now creates most of the electricity it needs to drain the city and distribute clean water. It does so with steam and combustion turbine generators, some of which are more than 100 years old. “Obviously, the goal is to replace all of our old turbines, that have been, that have served the city very well, but their time has come,” SWBNO Executive Director Ghassan Korban said. Monday, city leaders gathered to break ground on a modern electrical substation on the grounds of the board’s Carrollton Water Plant. It would replace the outdated turbines now prone to failure.