Duke Energy Carolinas, LLC Rates: Average Bill & Price per kWh

Residential rates for Duke Energy Carolinas, LLC and how they compare to the South Carolina average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 12, 2026

Residential customers of Duke Energy Carolinas, LLC average $143.51/month at 13.99¢/kWh — below the South Carolina average of $185.87.

Avg bill (2024)$143.51/moannual average Rate13.99¢/kWh Res. customers568,586 Bill rank#21 in SCof tracked utilities

Where Duke Energy Carolinas, LLC rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Duke Energy Carolinas, LLC price per kWh (annual) ▲ 21.8% over 2019–2024
Duke Energy Carolinas, LLC price per kWh (annual) 11.1¢ 12.6¢ 14.0¢ 14.0¢ 2019 2024
YearRateAvg billRes. customers
2019 11.48¢/kWh $127.23/mo 505,717
2020 11.48¢/kWh $122.02/mo 517,863
2021 11.14¢/kWh $118.06/mo 530,414
2022 11.55¢/kWh $127.03/mo 540,420
2023 12.67¢/kWh $128.13/mo 554,253
2024 13.99¢/kWh $143.51/mo 568,586

Rate context in South Carolina

Statewide residential price trend (12 months) — context for Duke Energy Carolinas, LLC's 2024 annual figure.

South Carolina price per kWh (12 months) ▲ 5.8% over Jul 25–Jun 26
South Carolina price per kWh (12 months) 14.7¢ 15.9¢ 17.1¢ 15.6¢ Jul 25 Jun 26

Duke Energy Carolinas, LLC vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureDuke Energy Carolinas, LLCSouth Carolina (latest month)
Avg bill $143.51/mo $185.87/mo
Rate 13.99¢/kWh 15.55¢/kWh

Common questions

How much is the average electric bill with Duke Energy Carolinas, LLC?

Duke Energy Carolinas, LLC residential customers averaged $143.51 per month in 2024 (EIA-861 annual data) — about $1,722.11 per year.

What does Duke Energy Carolinas, LLC charge per kWh?

Duke Energy Carolinas, LLC averaged 13.99¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Duke Energy Carolinas, LLC compare to the South Carolina average?

Duke Energy Carolinas, LLC bills average $143.51 — lower than the South Carolina average of $185.87 (latest EIA month).

How many customers does Duke Energy Carolinas, LLC serve?

Duke Energy Carolinas, LLC served 568,586 residential customers in 2024, per EIA-861 — one of the largest utilities we track in SC.

Data: Form EIA-861, 2024 annual residential figures for Duke Energy Carolinas, LLC. Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.