Natural gas will dethrone coal as the fossil fuel generating most of WNC’s electricity when Duke Energy’s new Lake Julian plant goes online in 2020. But how does natural gas get to this area, and where does it come from? Though tracing the gas molecules to their source is tricky, Xpress found that much of the area’s gas supply comes from hydraulic fracturing, and new pipeline projects are in the works to bring more fracked gas into the region.