Duke Energy serves customers in North Carolina. This guide covers current rates, billing structure, common charges, and how to verify your bill is accurate.
Quick Facts
Service Area: Upstate and Midlands South Carolina
Rate Range: 14.5¢–16.8¢/kWh
Standard Rate: ~14.5¢/kWh (Residential Service (RS))
Rates Updated: January 2026
Current Rates
Duke Energy residential rates range from 14.5¢–16.8¢/kWh depending on your rate plan. The standard Residential Service (RS) plan has an effective rate of ~14.5¢/kWh. Rates last updated January 2026.
Understanding Your Bill
Your Duke Energy bill includes several components: base charges, energy charges, fuel adjustments, taxes, and fees.
Duke Energy residential rates vary by state and service territory. In Florida, rates typically range from 12–15¢/kWh; in North Carolina, 11–14¢/kWh; and in South Carolina, 12–15¢/kWh. Your effective rate includes base charges, energy charges, fuel adjustments, and various riders.
Why is my Duke Energy bill so high?
High Duke Energy bills are commonly caused by seasonal usage changes, fuel cost adjustments, storm recovery surcharges, or rate plan mismatches. Duke Energy serves multiple states with different rate structures. Upload your bill to verify your charges are calculated correctly for your specific service territory.
What is the Duke Energy fuel clause adjustment?
The fuel clause adjustment on your Duke Energy bill reflects changes in the cost of fuel used to generate electricity. It's updated periodically and can increase or decrease your bill. Utility Check verifies this adjustment against Duke Energy's published fuel cost factors for your service territory.
How can I verify my Duke Energy bill is correct?
Upload your Duke Energy bill to Utility Check. We verify your rate plan, recalculate energy charges, check fuel clause adjustments, and validate all surcharges and riders against Duke Energy's published tariffs for your specific state and service territory.
Does Utility Check support Duke Energy?
Yes. Utility Check supports Duke Energy across all service territories including Duke Energy Florida, Duke Energy Carolinas, Duke Energy Progress, and Duke Energy Indiana. We verify billing math and rate application for each territory's specific tariff structure.