Cincinnati and Hamilton County are in Duke Energy Ohio territory. The Duke price-to-compare is 11.9 cents per kWh as of 2026. PUCO certifies 30+ competitive suppliers (CRES) that compete below the Duke default on locked-rate contracts. The fastest 5-minute switch path is online via PUCO Apples-to-Apples. Three disclosure questions to ask before signing keep teaser contracts out of your shortlist.
Duke Energy Ohio territory and PTC
Duke Energy Ohio serves Hamilton County (Cincinnati) plus parts of Butler, Clermont, and Warren counties. The 2026 price-to-compare is 11.9 cents per kWh, below AEP Ohio (12.4) and FirstEnergy (13.1).
Cincinnati's lower PTC reflects southwest Ohio's MISO-adjacent grid location and lower transmission costs. Even so, locked supplier rates typically come in 8 to 14 percent below the PTC.
The 5-minute switch path
Visit energychoice.ohio.gov (PUCO Apples-to-Apples). Enter your zip code; select Duke Energy Ohio. The site lists every certified CRES supplier and their current offers.
Filter by 12 to 24 month locked rate. Sort by rate ascending. Read the offer detail page for the top 2 to 3 offers. Pick one that has no cancellation fee or a fee under $50. Confirm your Duke account number; sign electronically.
Three disclosure questions before signing
Question 1: what is the locked rate per kWh, and how long does it hold? Confirm the rate matches the offer summary and the term is 12 to 24 months.
Question 2: is there a cancellation fee? Look for $0 to $50. Anything over $100 is a red flag.
Question 3: what happens at the end of the contract term? Most contracts auto-renew at a higher rate. Confirm you receive at least 30 days notice before renewal so you can re-shop.
Lock the rate before the next reset.
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Quick answers from the editorial desk
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