Where AES Ohio delivers in Mercer County, Ohio, the cheapest electricity offer is American Power & Gas of Ohio, LLC Variable 1 month, 25% renewable, introductory price at 7.4¢/kWh at 1,000 kWh a month on AES Ohio (listed rate 7.4¢/kWh with no monthly fee, variable rate, 1 month, introductory for 1 month), as listed on the PUCO's Apples to Apples on 2026-11-14; City of Celina - (OH) and 4 other utilities are also on record there, and their customers cannot choose a supplier.
In Mercer County EIA-861 records AES Ohio as the utility. Beside it, EIA-861 records City of Celina - (OH) (municipal utility), City of Mendon - (OH) (municipal utility), Darke Rural Electric Coop, Inc (electric cooperative), Midwest Electric, Inc - (OH) (electric cooperative) and 1 more; a home served by one of those cannot choose a supplier. Ranked on the supply price at 1,000 kWh a month, the listed rate with any monthly fee spread over it; the utility bills delivery whichever supplier you choose, so it is not in the figure.
OpenStream holds no Ohio certification from the PUCO and earns nothing from any supplier. Every link to a supplier is a plain hand-off. How we are paid.
Cheapest first. Each row goes to the provider's own sign-up page.
Which counties it is in, which utilities serve them, and where there is no supplier choice.
Utilities from EIA-861 Service Territory.
ZIPs the Census places mostly in this county.
Dated 2026-11-14. Nothing is estimated beyond arithmetic the page names, and no provider pays to appear.