Dominion Energy operates in 18 states and serves approximately 7 million electric and gas customers. In South Carolina, Dominion Energy provides electricity to more than 750,000 customers and natural gas to approximately 133,000 customers. The company operates several power plants in the state, including the Williams Station and Wateree Station, which generate a combined 2,847 megawatts of electricity. Dominion Energy also owns and operates the Dominion Energy Carolina Gas Transmission pipeline, which spans 1,500 miles and delivers natural gas to customers in the Southeastern United States. The company is committed to providing reliable, affordable, and sustainable energy to its customers while minimizing its impact on the environment.
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Dominion Energy - South Carolina's energy comes from natural gas, nuclear, coal, solar, and biomass. Natural Gas is the largest source of electricity, providing 45% of Dominion Energy - South Carolina's energy. Nuclear is the second largest source, making up 26%. Coal provides 19% of Dominion Energy - South Carolina's electricity. Solar provides 7% of Dominion Energy - South Carolina's electricity. Biomass provides 3% of Dominion Energy - South Carolina's electricity.
45%
Natural Gas
26%
Nuclear
19%
Coal
7%
Solar
3%
Biomass
The average electricity rate for Dominion Energy - South Carolina customers is 14.66 cents/kWh. Dominion Energy - South Carolina has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| 8 (Residential Service) | Fixed | 13¢ to 15¢ |
| 5 (Residential Service Time-Of-Use) | TOU | 10¢ to 27¢ |
| 7 (Residential Service Time-Of-Use Demand) | TOU | 8¢ to 9¢ |
| 2 (Low Use Residential Service) | Fixed | 10¢ |
| 6 (Residential Service Energy Conservation Rate) | Fixed | 12¢ to 13¢ |
In 2021, the average Dominion Energy - South Carolina customer lost electricity one time for a duration of 83 minutes. In total, the average Dominion Energy - South Carolina customer had their electricity out for about 91 minutes during the whole year.
Credited to customer's next bill on a monthly basis at a rate based on the avoided cost.