Alliant Energy is “picking up the pace” on moving power lines in Iowa underground, the president of Alliant’s Iowa company told The Gazette.“There’s much more of a focus on it now than there even was in the past decade,” Terry Kouba said.Kouba attributed the stepped-up effort on burying lines to increased reliability and decreased customer cost.“Certainly when you get that system underground, it’s much more reliable when you have those windstorms, when you have those ice storms, when you have those tornadoes going through the state,” Kouba said.Aboveground power lines became problematic after the Aug.