ZIP 45370 is in Greene County, where EIA-861 records AES Ohio, Duke Energy Ohio and Ohio Edison beside 1 utility with no supplier choice; the utility on your bill decides which applies. Cheapest at 1,000 kWh: AES Ohio: American Power & Gas of Ohio, LLC Variable 1 month, 25% renewable, introductory price at 7.4¢/kWh (introductory, Price to Compare 10.9¢/kWh); Duke Energy Ohio: American Power & Gas of Ohio, LLC Variable 1 month, 25% renewable, introductory price at 7.0¢/kWh (introductory, Price to Compare 10.5¢/kWh); Ohio Edison: American Power & Gas of Ohio, LLC Variable 1 month, 25% renewable, introductory price at 6.9¢/kWh (introductory, Price to Compare 11.1¢/kWh), as listed on the PUCO's Apples to Apples on 2026-11-14.
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.
Greene County holds more than one utility with supplier choice. Your bill names yours; pick that utility's ranking below, because an offer on one utility is not on offer on another.
Counties from the Census 2020 ZCTA-to-county file (largest land share first); utilities and their ownership from EIA-861 2024, both read 2026-11-06.
The Census records Spring Valley in ZIP 45370, in Greene County. The fuller page for this ZIP is Electricity in Spring Valley.
Which counties it is in, which utilities serve them, and where there is no supplier choice.