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Energy Profile

Ohio

vs

Illinois

Side-by-side comparison of electricity costs, generation mix, and renewable energy data.

Reviewed by EnergyProfile Editorial Team · Updated
OhioMetricIllinois
16.96¢/kWhResidential17.69¢/kWh
11.60¢/kWhCommercial13.07¢/kWh
8.52¢/kWhIndustrial10.14¢/kWh
#33Price Rank#35
5.3%Renewable %15.3%

Generation Mix

Ohio

Coal
21.1%
Gas
59.6%
Nuclear
12.6%
Hydro
0.3%
Wind
2.0%
Solar
2.8%

Illinois

Coal
14.6%
Gas
16.3%
Nuclear
53.6%
Wind
13.5%
Solar
1.7%

Full profile

Ohio Energy Profile →

Full profile

Illinois Energy Profile →

Frequently Asked Questions

Ohio has cheaper residential electricity at 16.96¢/kWh. The difference is 0.73¢/kWh between the two states. Ohio ranks #33 and Illinois ranks #35 cheapest among all states.

Ohio gets 5.3% of electricity from renewables, while Illinois gets 15.3%. Illinois leads in renewable energy adoption.

Sources: US Energy Information Administration (EIA)

Electricity rates from EIA retail sales data. Generation mix from EIA electric power operational data.

Source: U.S. Energy Information Administration, 2026.

Comparing Ohio and Illinois on U.S. state-level electricity rates and generation mix requires lining up the underlying the EIA Open Data API and State Electricity Profiles data side by side. The table above runs the comparison on the canonical fields; the narrative below identifies the factor or factors that drive the most meaningful difference between the two.

For households or analysts using this comparison as a decision input, the right framing is usually not "which is better" in aggregate but "which is better for the specific decision in front of you." the EIA Open Data API and State Electricity Profiles captures the raw data; the framing depends on whether the question is investment, residency, planning, or research.