South Carolina Electricity Rates: Duke, Dominion, and SCE&G

South Carolina Electricity Rates: Duke, Dominion, and SCE&G

South Carolina's electricity market features several major utilities with varying rate structures. This guide helps you understand your options.

Major SC Utilities

Duke Energy Carolinas (SC)

Service area: Upstate SC, Charlotte metro area

Average rate: ~12.3 cents/kWh

Duke Energy Progress (SC)

Service area: Pee Dee region, coastal areas

Average rate: ~12.8 cents/kWh

Dominion Energy South Carolina

Service area: Midlands, Columbia area, Lowcountry

Average rate: ~13.5 cents/kWh

Rate Comparison

| Utility | Avg. Rate | Base Charge | TOU Available |

|---------|-----------|-------------|---------------|

| Duke Carolinas | 12.3¢ | $14.00 | Yes |

| Duke Progress | 12.8¢ | $14.00 | Yes |

| Dominion SC | 13.5¢ | $9.00 | Yes |

South Carolina Rate Trends

SC rates have increased approximately 4.8% year-over-year, influenced by:

• V.C. Summer nuclear project cost recovery
• Infrastructure investments
• Fuel cost adjustments

Savings Strategies

For Duke Energy Customers

• Evaluate TOU rates if you can shift usage
• Take advantage of energy efficiency rebates
• Consider the EV rate if applicable

For Dominion Energy Customers

• Lower base charge benefits low-usage households
• TOU options available for flexible schedules
• Smart thermostat programs offer savings

Key Takeaways

• Duke Energy offers the lowest rates in SC
• Dominion has lower base charges but higher energy rates
• TOU plans can save money for the right usage patterns
• Use Utility Check to identify your best rate option — view pricing