Kilowatt Atlas

Investor-owned utility

Duke Energy Carolinas Rates, Bills and Service Area in 2025

Average rate and bill, service area, reliability and rate options for this utility, taken from its 2025 filing with the EIA.

Reviewed Data: EIA Form EIA-861, released October 7, 2026

Independent profile. Kilowatt Atlas is not affiliated with Duke Energy Carolinas, does not use its logo or branding and cannot take payments, start service or look up accounts. Figures come from public federal data for 2025.

Residential customers

2.54 million

2,543,170 homes

Average price

13.43 cents

North Carolina average 14.00

Average bill

$135.44

Per month at 1,009 kWh

Price rank

22 of 48

Lowest to highest in North Carolina

Duke Energy Carolinas rates and average bill

Duke Energy Carolinas reported 2,543,170 residential customers on bundled service in 2025, using 1,009 kWh a month on average at 13.43 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 48 North Carolina utilities with at least 10,000 bundled residential customers, Duke Energy Carolinas ranks 22 from the lowest price.

Duke Energy Carolinas compared with North Carolina and the United States
AverageCents per kWhkWh per monthMonthly bill
Duke Energy Carolinas13.431,009$135.44
North Carolina (all utilities)14.001,044$146.14
United States17.23874$150.68

Figures cover all of Duke Energy Carolinas's states together. A utility with a large territory can have different rates in different places.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

Service area

EIA lists the counties where Duke Energy Carolinas has distribution equipment. That covers 63 counties in North Carolina, South Carolina. A county can be served by more than one utility, so confirm your address with the utility or your bill.

North Carolina (44 counties)

Show all 44 counties

Alamance, Alexander, Anson, Buncombe, Burke, Cabarrus, Caldwell, Caswell, Catawba, Chatham, Cherokee, Clay, Cleveland, Davidson, Davie, Durham, Forsyth, Gaston, Graham, Granville, Guilford, Henderson, Iredell, Jackson, Lincoln, Macon, McDowell, Mecklenburg, Orange, Person, Polk, Randolph, Rockingham, Rowan, Rutherford, Stanly, Stokes, Surry, Swain, Transylvania, Union, Wake, Wilkes, Yadkin

South Carolina (19 counties)

Abbeville, Anderson, Cherokee, Chester, Edgefield, Fairfield, Greenville, Greenwood, Kershaw, Lancaster, Laurens, McCormick, Newberry, Oconee, Pickens, Saluda, Spartanburg, Union, York

Not sure who serves your address? Use find my electric company.

Reliability

For 2025, Duke Energy Carolinas reported an average of 141 minutes without power per customer and 1.07 interruptions per customer, with major event days left out. The typical interruption lasted about 131 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

Duke Energy Carolinas had about 13 more minutes of outage per customer than the median state. The North Carolina figure across its utilities was 145 minutes. One interruption lasting 131 minutes and 1.07 interruptions a year per customer add up to the 141 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.

Rate options and rooftop solar

  • Time-of-use pricing. Duke Energy Carolinas reports a residential time-of-use pricing program in its 2025 EIA filing, with about 26,085 residential customers enrolled in dynamic pricing programs of all kinds. Ask the utility which rate schedules you qualify for. How time-of-use rates work.
  • Rooftop solar and net metering. EIA shows 39,946 residential net-metered systems on the Duke Energy Carolinas grid in 2025, with 292.6 megawatts of capacity. How net metering works.

Who owns and regulates it

A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In North Carolina, that review is done by the North Carolina Utilities Commission.

Duke Energy Carolinas is an investor-owned utility based in North Carolina, and it also reports customers in 1 other state.

Duke Energy Carolinas compared with North Carolina

North Carolina has 48 utilities with residential customers in the 2025 EIA data. Duke Energy Carolinas is 1st by size and serves about 38.0% of the state's homes. North Carolina has too few other investor-owned utilities with reported prices to compare Duke Energy Carolinas with its type, so the state average of 14.00 cents per kWh is the fairest yardstick. Duke Energy Carolinas reports customers in 2 states, and this profile uses its largest, North Carolina, for comparisons. 39,946 of its residential customers use net metering, or 15.7 per 1,000 homes, against 12.8 for North Carolina as a whole.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in North Carolina with at least 1,000 residential customers and a reported price.

Other North Carolina utilities

Utilities in North Carolina close in size to Duke Energy Carolinas
UtilityTypeHomesCents per kWh
Duke Energy CarolinasInvestor-owned2,543,17013.43
Dominion Energy VirginiaInvestor-owned2,517,95815.07
Duke Energy ProgressInvestor-owned1,527,82515.07
EnergyUnited Electric Membership CorporationCooperative124,44611.61
Brunswick Electric Membership CorporationCooperative108,08713.34
Union Electric Membership CorporationCooperative86,85213.92

See every one on the electric companies in North Carolina page.

Official site and where to get help

Kilowatt Atlas is not Duke Energy Carolinas and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

Duke Energy Carolinas questions

What is the average residential electric rate for Duke Energy Carolinas?

Duke Energy Carolinas residential customers on bundled service paid an average of 13.43 cents per kWh in 2025, with average use of 1,009 kWh a month and an average bill of $135.44 (EIA Form EIA-861). The North Carolina average was 14.00 cents.

How many customers does Duke Energy Carolinas have?

EIA reports about 2,543,170 residential customers for Duke Energy Carolinas in 2025.

Who regulates Duke Energy Carolinas?

A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. See the regulator for North Carolina on the North Carolina state page.

How reliable is Duke Energy Carolinas?

For 2025, Duke Energy Carolinas reported an average of 141 minutes of outage per customer and 1.07 interruptions per customer, excluding major event days (IEEE 1366). Utilities measure outages in slightly different ways, so compare with care.

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