Duke Energy Rate Increase 2024 South Carolina. 1, 2024, commercial and industrial customers will see an average increase of around 4.6% and 4.4%, respectively (actual rates vary by customer class and size). 1, 2024, a typical residential customer using 1,000 kilowatt hours will see an increase of about 8.7% or $12.06 per month.
Duke energy carolinas, llc 40 west broad street, greenville, south carolina 29601 telephone: 1, 2024, but actual rates vary by customer.