CHARLOTTE – October 27, 2026 -- If you smell natural gas, leave immediately and call Piedmont Natural Gas at 800.752.7504 or 911 from somewhere safe. The utility issued the reminder as temperatures fall and furnaces switch on.

Mercaptan gives odorless gas a rotten-egg smell

Natural gas has no smell on its own. Utilities inject an odorant called mercaptan, which smells like rotten eggs, so leaks are easy to notice.