StateRates

Duke Energy Carolinas, LLC electricity rates

Duke Energy Carolinas, LLC charges an average of 13.94 cents per kilowatt-hour to residential customers, and the average household on its system paid $137 a month using 984 kilowatt-hours, according to its 2024 filing with the U.S. Energy Information Administration.

Investor-owned utility DUK North Carolina

Average rate 13.94¢ per kWh · -7.6% vs state
Average bill $137 per month · -11.8% vs U.S.
Average usage 984 kWh per month
Residential customers 1.9 million #17 priciest of 51 in North Carolina

Where Duke Energy Carolinas, LLC sits

It serves 1.9 million residential customers, making it one of the larger utilities in North Carolina. Its 13.94¢ per kilowatt-hour sits 7.6% below the North Carolina average of 15.09¢.

Its customers use more electricity than the national norm, 984 kilowatt-hours a month against 871, which amplifies whatever the rate does.

A shareholder-owned company whose rates are set by the state regulator, including an approved return on the capital it has invested. That matters because a bill is not only the cost of generating electricity: it also carries the cost of the network, and who owns that network changes how it is paid for.

Duke Energy Carolinas, LLC against the averages
Rate Monthly bill Monthly kWh
Duke Energy Carolinas, LLC 13.94¢ $137 984
North Carolina average 15.09¢ $150 1,036
United States average 18.44¢ $155 871

Utility figures: U.S. Energy Information Administration, Form EIA-861 annual electric power industry report, 2024. State and national figures: Electric Power Monthly, May 2026. Methodology

Where Duke Energy Carolinas, LLC delivers

Its service territory covers 44 North Carolina counties, either wholly or in part. Utility boundaries follow historic franchise agreements rather than county lines, so a county appearing here does not mean every address in it is served by Duke Energy Carolinas, LLC.

  • 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

How often the power goes out

In 2024 the average Duke Energy Carolinas, LLC customer went 1,626 minutes without electricity across 1.96 interruptions. The median across the 941 utilities that report this is 185 minutes.

That is far worse than typical, and figures at this level almost always reflect a major storm season rather than everyday performance. A single hurricane or ice storm can dominate the annual number.

Minutes without power 1,626 per customer, per year · median 185
Interruptions 1.96 per customer, per year
Average outage length 830 minutes per interruption

Optional rate plans

Duke Energy Carolinas, LLC offers time-of-use pricing to residential customers. 29,622 households were enrolled, about 1.5% of its residential base.

These plans are opt-in almost everywhere. They reward households that can move laundry, dishwashing, water heating or electric vehicle charging out of the late-afternoon peak, and they cost more than the standard rate for households that cannot. How to tell which group you are in.

Rooftop solar on this system

24,648 residential customers had net-metered solar in 2024, totalling 179.1 megawatts. That works out to 12.8 installations per thousand customers, against a median of 8 across the utilities reporting it.

Adoption is above the national median, which generally tracks the retail rate more closely than it tracks sunshine. What exports are actually worth.

Other North Carolina utilities

Compare against neighbouring systems
Utility Rate Bill Customers
Duke Energy Progress 15.54¢ $156 1.4 million
EnergyUnited Elec Member Corp 11.54¢ $137 121,995
Virginia Electric & Power Co 13.93¢ $167 108,656
Brunswick Electric Member Corp 13.66¢ $131 105,562
Union Electric Membership Corp 13.37¢ $164 84,602

Duke Energy Carolinas, LLC rates: common questions

How much does Duke Energy Carolinas, LLC charge per kilowatt-hour?

An average of 13.94 cents per kilowatt-hour across its residential customers in 2024. That is -7.6% against the North Carolina average of 15.09¢ and -24.4% against the national average of 18.44¢. It is an all-in average across every residential rate schedule the utility offers, not a specific tariff.

What is the average Duke Energy Carolinas, LLC bill?

$137 a month, based on total residential revenue divided by residential customers over the 2024 survey year, at an average of 984 kWh a month. The national average bill is $155 at 871 kWh.

Who owns Duke Energy Carolinas, LLC?

It is classified by the EIA as a investor-owned utility. A shareholder-owned company whose rates are set by the state regulator, including an approved return on the capital it has invested.

Is Duke Energy Carolinas, LLC expensive compared with other North Carolina utilities?

It ranks #17 of the 51 North Carolina utilities covered here, counting from the most expensive. Nationally it ranks #588 of 1369.