Rate & Roof

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Duke Energy Carolinas, LLC

Duke Energy Carolinas, LLC served 1,961,108 residential customers in North Carolina in 2025 (38.0% of the state's residential customers), the 1st largest of 54 utilities reporting there. Bundled service; ownership: investor owned; balancing authority DUK.

The meter, one average month.

Scroll to run 30 days of Duke Energy Carolinas, LLC's average residential use through a five-dial register.

Day 30 of 30
Used so far
996 kWh
At 13.41¢/kWh
$134
An average 2025 month: 996 kWh at 13.41¢ comes to about $134, the average bill. Use is spread evenly over 30 days for the picture.

Price ruler0 to 50¢ per kWh

Where 13.41¢ sits.

Duke Energy Carolinas, LLC averaged 13.41¢ per kWh against a North Carolina residential average of 14.02¢: 4.3% below the state figure. Among the 3 investor owned utilities in North Carolina with bundled residential sales, it ranks 2nd from the lowest price.

2020 and 2025EIA-861

Five years, same meter.

In 2020 the average Duke Energy Carolinas, LLC home used 1,005 kWh a month at 10.36¢ and paid $104. In 2025 it used 996 kWh at 13.41¢ and paid $134: the price per kWh is up 29.4%.

Duke Energy Carolinas, LLC, North Carolina, residential averages, 2020 and 2025
Measure20202025
Price, ¢/kWh10.3613.41
Use, kWh a month1,005996
Bill, US$ a month104.12133.63
Duke Energy Carolinas, LLC customers and sales by class in North Carolina, 2025, EIA-861 (bundled service)
ClassCustomersMWh sold¢/kWh
Residential1,961,10823,445,01913.41
Commercial309,42324,703,2019.25
Industrial4,36411,601,3497.72
Transportation112,4949.8

Who else is on the line

Homes are one class.

Homes took 39.2% of the electricity Duke Energy Carolinas, LLC sold in North Carolina in 2025.

Rooftop solar on its linesnet metering

27,157 roofs.

Residential net-metered PV
27,157installations reported for 2025
Capacity
190.4 MWresidential, net metered
Per 1,000 homes
13.8installations per 1,000 residential customers

Service territoryEIA-861

44 counties.

AlamanceAlexanderAnsonBuncombeBurkeCabarrusCaldwellCaswellCatawbaChathamCherokeeClayClevelandDavidsonDavieDurhamForsythGastonGrahamGranvilleGuilfordHendersonIredellJackson

Counties in North Carolina where Duke Energy Carolinas, LLC reported serving customers in 2025 (44 in all; up to 24 listed).

EIA-8612025Utility 5416

The filing, line by line.

Duke Energy Carolinas, LLC, North Carolina, residential class, 2025. Price basis: revenue divided by kWh sold, all residential customers.
MeasureValueUnit
Average price13.41¢/kWh
North Carolina average price14.02¢/kWh
Difference from state average-4.3%
Price change over 5 years29.4%
Typical monthly use996kWh
Typical monthly bill133.63US$
Residential customers1,961,108accounts
Share of NC residential customers38.0%
Size rank in NC1 of 54by customers
Price rank, investor owned peers2 of 31 = lowest

Rate plans on fileOpenEI URDB

31 active plans.

Time-of-use
18more than one energy period within a month
Seasonal only
6price changes by month, not by hour
Median fixed charge
$14.63US dollars per month
Median flat energy rate
11.95¢cents per kWh, one period and one tier

Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.

North Carolina: state average, five-year steps and every provider

Read this first

  • Class-wide averages, not a quote or a bill for any one customer.
  • Plan data comes from a public, crowd-maintained database and can be out of date.
  • All prices on this site are in cents per kWh unless marked otherwise. Bills are US dollars per month.

Credits and notices

The credits and notices that each data source requires are printed word for word with that source in the Sources list below.