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EnergySavings · North Carolina · Utility

Duke Energy Carolinas, LLC: what its customers actually pay

Data as of: EIA-861 annual 2024 (released 2025) · EIA monthly state prices February 2026 · EIA weekly heating-fuel survey Mar 30, 2026 · retail-choice registry reviewed Jun 2026 · URDB tariffs pulled Jun 2026. Page generated 2026-06-12.

Duke Energy Carolinas, LLC residential customers paid an average of 13.94¢/kWh in 20241% below the North Carolina average of 14.13¢/kWh (EIA-861). It served 1,919,372 residential customers across 44 NC counties. Territories are fixed by address, but the cheapest nearby utility, Town of Apex (10.52¢), works out about $370/yr less at 10,800 kWh/yr.

How Duke Energy Carolinas compares with the utilities next door

Utilities filing EIA-861 service territory in at least one county that Duke Energy Carolinas also serves — average residential ¢/kWh (EIA-861 2024) and annual cost difference vs Duke Energy Carolinas at 10,800 kWh/yr
Utility2024 ¢/kWhCustomersΔ vs Duke Energy Carolinas, ¢/kWh$/yr difference
Town of Apex 10.52 29,289 -3.42 -$370
City of Morganton 10.67 7,055 -3.27 -$353
City of Albemarle 10.85 11,248 -3.09 -$334
EnergyUnited Elec Member Corp 11.54 121,995 -2.40 -$259
Town of High Point 11.63 38,079 -2.31 -$249
City of Statesville 11.71 12,120 -2.23 -$241
City of Lexington 11.75 18,053 -2.19 -$237
City of Concord 11.85 29,857 -2.09 -$226
Town of Huntersville 12.12 8,080 -1.81 -$196
City of Monroe 12.28 10,543 -1.65 -$179
City of Gastonia 12.40 27,008 -1.54 -$166
Duke Energy Carolinas, LLC (this page) 13.94 1,919,372

26 bundled utilities (≥5,000 customers) share at least one county with Duke Energy Carolinas. Showing the 11 cheapest. Positive $/yr = that utility's customers pay more than Duke Energy Carolinas customers at the same usage. Territories are fixed by address — these gaps measure cost differences between areas, not options you can pick between.

Where Duke Energy Carolinas customers pay more (county benchmark)

Counties served by Duke Energy Carolinas, LLC: cheapest bundled utility operating in the same county and the annual difference at 10,800 kWh/yr (EIA-861 2024)
CountyCheapest utility in countyTheir ¢/kWhDuke Energy Carolinas premium, $/yr
ClayTown of Apex10.52 +$370
GrahamTown of Apex10.52 +$370
SwainTown of Apex10.52 +$370
WakeTown of Apex10.52 +$370
BurkeCity of Morganton10.67 +$353
StanlyCity of Albemarle10.85 +$334
AlexanderEnergyUnited Elec Member Corp11.54 +$259
CabarrusEnergyUnited Elec Member Corp11.54 +$259

Multiple utilities in one county means adjoining territories, not household choice — you cannot switch wires companies. Showing the 8 highest-premium counties of 44 served.

Rate trend and size

Duke Energy Carolinas, LLC residential average price and customers, EIA-861 2023 vs 2024
Metric20232024Change
Average price, ¢/kWh11.8813.94+17.3%
Residential customers1,874,2071,919,372+2.4%

Ownership: Investor Owned. Statewide context: North Carolina electricity rates.

Supply vs delivery on a Duke Energy Carolinas bill

North Carolina is a regulated retail market — Duke Energy Carolinas customers cannot choose a different supplier; rates are set in utility-commission proceedings. Official information: ncuc.gov.

Counties served (NC, EIA-861 2024)

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

Head-to-head comparisons

Questions people ask

Is Duke Energy Carolinas, LLC more expensive than other North Carolina utilities?
Duke Energy Carolinas, LLC customers paid an average 13.94 cents/kWh in 2024 — 1% below the North Carolina volume-weighted average of 14.13 cents (EIA-861, bundled residential service).
Can I switch away from Duke Energy Carolinas, LLC?
No — distribution territory is fixed by address and North Carolina has no residential supplier shopping. Rate changes go through the state utility commission (ncuc.gov).
How many customers does Duke Energy Carolinas, LLC have?
1,919,372 residential customers in North Carolina in 2024 across 44 counties, per its EIA-861 federal filing. Ownership type: investor-owned.
About these numbers. Rates shown are averages computed from federal regulatory filings (EIA Form 861) and public tariff databases — confirm with your utility before making decisions; your actual rate depends on your tariff, usage, and riders. Distribution utility is determined by address and generally cannot be chosen; in retail-choice states you may choose your supplier for the supply portion of the bill. Savings figures use 10,800 kWh/yr (US average residential usage) and are estimates, not quotes. EnergySavings is an independent data project by CertiHomes and is not affiliated with any utility, supplier, or government agency.