Updated: March 2026
Commercial rate guide for DEP — Eastern North Carolina (Raleigh, Durham, Fayetteville, Wilmington) and northeastern South Carolina. Serves approximately 1.6 million customers.
Small general service (SGS) for commercial accounts under 30 kW. Medium general service (MGS) with demand charges above 30 kW. Large general service (LGS) for accounts above 1 MW. Fuel and rider charges applied monthly.
Rising
5.3% base rate increase in North Carolina effective January 2026; 4.7% in South
5.3% base rate increase in North Carolina effective January 2026; 4.7% in South Carolina effective March 2026
Property managers with DEP accounts frequently encounter these billing challenges:
Rider charges for solar capacity and grid modernization
Demand charges on MGS accounts during summer cooling season
Coal ash remediation surcharges on all accounts
Fuel cost adjustment volatility tied to natural gas prices
The utility is the sole provider in this service territory.
North Carolina and South Carolina are fully regulated. Duke Energy Progress is a vertically integrated utility subsidiary of Duke Energy Corporation.
Solar capacity cost recovery and carbon plan compliance filing pending before NCUC
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