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
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.
| 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.
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
| 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.