What are Duke Energy Carolinas, LLC (South Carolina) Residential Time-of-Use RT peak hours and rates?
Residential Time-of-Use RT from Duke Energy Carolinas, LLC (South Carolina) is a time-of-use plan: electricity costs the most during peak hours (7 a.m.–12 p.m.) at about $0.10/kWh and the least off-peak at about $0.09/kWh. Shifting heavy usage out of the peak window lowers the bill.
Peak window
7 a.m.–12 p.m.
Peak price
10¢/kWh
Off-peak price
9¢/kWh
Fixed charge
$14.09/mo
The Residential Time-of-Use RT day, hour by hour
Hover any hour for its exact price. Toggle season and day type.
Winter
Jan–May, Oct–Dec
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 7 a.m.–12 p.m. | $0.10 |
| Mid-Peak | 12 p.m.–7 a.m. | $0.09 |
Summer
Jun–Sep
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 1 p.m.–7 p.m. | $0.10 |
| Mid-Peak | 7 p.m.–1 p.m. | $0.09 |
Frequently asked questions
What are Duke Energy Carolinas, LLC (South Carolina) Residential Time-of-Use RT peak hours and rates? +
Residential Time-of-Use RT from Duke Energy Carolinas, LLC (South Carolina) is a time-of-use plan: electricity costs the most during peak hours (7 a.m.–12 p.m.) at about $0.10/kWh and the least off-peak at about $0.09/kWh. Shifting heavy usage out of the peak window lowers the bill.
When is the cheapest time to use electricity on Residential Time-of-Use RT? +
The cheapest electricity on Duke Energy Carolinas, LLC (South Carolina) Residential Time-of-Use RT is during off-peak hours (12 p.m.–7 a.m.), at about 9¢/kWh. Shift EV charging, laundry, dishwashing, and pre-cooling into these hours to pay the least.
How much more is peak vs off-peak on Residential Time-of-Use RT? +
Peak power costs about 10¢/kWh versus 9¢/kWh off-peak — a difference of about 1¢/kWh. Running a 5 kWh load (a load of laundry plus dishwasher) off-peak instead of at peak saves roughly $0.07.
Who offers Residential Time-of-Use RT? +
Residential Time-of-Use RT is a residential electricity plan from Duke Energy Carolinas, LLC (South Carolina) (Duke Energy Carolinas, LLC (South Carolina)).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (665615558fc2716e7509a138). Representative — verify exact prices on your Duke Energy Carolinas, LLC (South Carolina) bill or tariff sheet.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.