Close Atmos Energy and the City of Greenville have announced Atmos will perform routine maintenance Monday, resulting in the safe removal of natural gas. Atmos planning maintenance on isolated section of pipeline Special to the Herald-Banner 2 hrs ago Atmos Energy and the City of Greenville have announced Atmos will perform routine maintenance Monday, resulting in the safe removal of natural gas. Atmos Energy and the City of Greenville have announced Atmos will perform routine maintenance Monday, resulting in the safe removal of natural gas. The maintenance will last from approximately 7 a.m. until noon at the Greenville Municipal Power Plant, 4201 Power Lane in Greenville.