Residential tariff · NC
Residential Service Energy Star Standard ES
Duke Energy Carolinas, LLC (South Carolina) · Tiered · filed 2025
What this tariff charges
| Fixed charge | $11.96 per month |
|---|---|
| Structure | Tiered |
| Filed | 2025-10-31 |
Energy rates
The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.
Energy charge
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 1000.0 kWh | 0.12584 | 0.00135 | 0.12719 |
| 2 | no limit | 0.13273 | 0.00135 | 0.13408 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $906.66 | $0.1511 |
| 1000 | $1,669.81 | $0.1391 |
| 2000 | $3,278.75 | $0.1366 |
Effective rate includes the fixed charge, which is why it falls as usage rises.
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save between $659 and $1,288 a year on this tariff, paying back in 16–32 years . No federal tax credit is included: Section 25D ended on December 31, 2025.
no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →
The utility's own description
Available only to residential customers in residences, condominiums, mobile homes, or individually-metered apartments which provide independent and permanent facilities complete for living, sleeping, eating, cooking, and sanitation,and which are certified to meet the standards of the Energy Star program of the United States Department of Energy and Environmental Protection Agency.
URDB rate id 6968000b92370159da017a0c · utility source document · all Duke Energy Carolinas, LLC (South Carolina) tariffs