Residential tariff · NC
RSTC (Residential Service Time of Use with Critical Peak Pricing)
Duke Energy Carolinas, LLC · Time-of-use · filed 2026
What this tariff charges
| Fixed charge | $14.00 per month |
|---|---|
| Structure | Time-of-use |
| Filed | 2026-01-01 |
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.
Period 0
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.10287 | 0.00495 | 0.10783 |
Period 1
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.07437 | 0.00495 | 0.07933 |
Period 2
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.23498 | 0.00495 | 0.23994 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $872.50 | $0.1454 |
| 1000 | $1,577.00 | $0.1314 |
| 2000 | $2,986.00 | $0.1244 |
Effective rate includes the fixed charge, which is why it falls as usage rises. This is a time-of-use tariff, so the result also depends on when power is used; an average residential pattern is assumed. Details →
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save between $513 and $1,163 a year on this tariff, paying back in 18–41 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
NOTE: THIS RATE IS MEANT FOR COMPARISON PURPOSES ONLY - CRITICAL PEAK TIME WINDOWS AND PRICING ARE NOT INCLUDED. Available on a voluntary basis to individually-metered residential customers in residences, condominiums, mobile homes, or apartments which provide independent and permanent facilities for living, sleeping, eating, cooking, and sanitation. Power delivered under this schedule shall not be used for resale or exchange or in parallel with other electric power or as a substitute for power contracted for or which may be contracted for, under any other schedule of the Company, except at the option of the Company, or for service in conjunction with Rider SCG or Rider NM, under special terms and conditions expressed in writing in the contract with the customer.
URDB rate id 6998c74772f65da9e0013b6d · utility source document · all Duke Energy Carolinas, LLC tariffs