RSTC (Residential Service Time of Use with Critical Peak Pricing)

Duke Energy Carolinas, LLC · Time-of-use · filed 2026

$0.1314per kWh, all in
$1,577a year at 1,000 kWh/mo
$14.00fixed, before any usage
$0.1395utility's actual average

What this tariff charges

Fixed charge$14.00 per month
StructureTime-of-use
Filed2026-01-01

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

TierUp toBase AdjustmentCharged $/kWh
1 no limit 0.10287 0.00495 0.10783

Period 1

TierUp toBase AdjustmentCharged $/kWh
1 no limit 0.07437 0.00495 0.07933

Period 2

TierUp toBase AdjustmentCharged $/kWh
1 no limit 0.23498 0.00495 0.23994

What it costs at different usage levels

kWh per monthAnnual 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 →

Duke Energy Carolinas, LLC offers a cheaper tariff at this usage. RETC (Residential Service All-Electric Time of Use with Critical Peak Pricing)) comes to $1,492.98 a year against this one's $1,577.00 — a difference of $84. Eligibility rules may apply; check with the utility.

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