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Our Rates

Rate & Tariff Information
The rates and terms of natural gas service offered by Piedmont within our three-state service area are subject to the review and approval of the respective state utility commission. The rates for each type of service offered to customers are displayed below. The tariff and service regulations for each state identify the terms, conditions, and qualifications upon which service is provided to customers.

2019 North Carolina Rate Case Fact Sheet
Notification of 2019 North Carolina Rate Case Hearings

Please select from the information below to find natural gas rates for your state:

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Tariff and Service Regulations

North Carolina
South Carolina
   Tennessee  


Margin Decoupling Tracker
The North Carolina Utilities Commission gave Piedmont authorization in November 2005 to implement a decoupling mechanism, now called the Margin Decoupling Tracker. The Margin Decoupling Tracker protects customers from the potential over-recovery of margin by the Company and protects the Company from potential under-recovery of margin. It tracks margin recovery from residential customers (Rate 101) and small/medium service customers (Rates 102 and 152) on a monthly basis. Under this mechanism, the Company makes semi-annual adjustments, in April and November of each year, to the residential and small/medium service usage rates in order to refund or recover differences from the Commission-approved margin level. 
 
For further information about the Margin Decoupling Tracker, go to Appendix C of Piedmont's NC tariff.




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