Agreement supports significant investments for safety, reliability, customer growth Request included rate reductions for natural gas costs and income tax payment credits passed to customers CHARLOTTE, N.C., Sept. 16, 2024 /PRNewswire/ -- Piedmont Natural Gas has reached a comprehensive agreement with consumer and industrial groups in North Carolina related to its rate review request, filed in April of this year. Piedmont plans to implement the increase in November 2024. Piedmont also requested concurrent ra ...