 The Good Neighbor Network, on air and online at WGNSradio.com. Rutherford County's most trusted source for local news. WGNS is powered by Middle Tennessee Electric, who offers this energy-saving tip during the hot summer months. Nudge your thermostat up, ideally between 76 and 78 degrees, to reduce cooling costs. For more tips, go to mte.com slash myenergyplan.