Average Electric Bill

Rates by state / Ohio / Interstate Gas Supply, Inc.

Retail Power Marketer · 175,428 residential customers

Interstate Gas Supply, Inc. electricity rates

Residential customers paid an average of 19.1¢ per kWh in 2025, 5% above the Ohio average of 18.3¢ for the latest 12 months.

Interstate Gas Supply, Inc. reports the energy (supply) part of the bill only. The rate above adds the Ohio average for the other part, so treat it as an estimate.

Average rate

19.1¢/kWh

2025, all residential revenue ÷ kWh

Average bill

$140/mo

At 733 kWh a month

1-year change

+9.3%

5 years: +45.6%

Average rate by year

202013.1¢
202114.5¢
202217.0¢
202317.3¢
202417.5¢
202519.1¢

Interstate Gas Supply, Inc. bill at different usage levels

Estimated monthly bill at Interstate Gas Supply, Inc.'s 2025 average rate of 19.1¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.

Monthly useInterstate Gas Supply, Inc.Ohio average
500 kWh$95$91
750 kWh (about average here)$143$137
1,000 kWh$191$183
1,500 kWh$286$274
2,000 kWh$382$365

Other utilities in Ohio

UtilityCustomersRate
Ohio Power Co1,348,58819.0¢
Ohio Edison Co961,08416.0¢
Duke Energy Ohio Inc700,26516.8¢
Cleveland Electric Illum Co677,58116.2¢
Dynegy Energy Services, LLC500,48316.5¢
Dayton Power & Light Co469,31716.1¢
AEP Energy448,95016.5¢
NextEra Energy Services, LLC448,82716.2¢

Interstate Gas Supply, Inc.: common questions

How much does Interstate Gas Supply, Inc. charge per kWh?
Interstate Gas Supply, Inc. residential customers paid an average of 19.1¢ per kWh in 2025, counting all charges, according to EIA Form 861 data. This is an estimate: Interstate Gas Supply, Inc. reports only part of the bill, so the Ohio average for the other part is added.
What is the average Interstate Gas Supply, Inc. electric bill?
The average Interstate Gas Supply, Inc. household used 733 kWh a month in 2025, which works out to about $140 a month at the average rate.
Is Interstate Gas Supply, Inc. cheaper than other utilities in Ohio?
Interstate Gas Supply, Inc.'s average rate is 5% above the Ohio average of 18.3¢. 66 of 104 utilities in Ohio have a lower average rate.
Did Interstate Gas Supply, Inc. raise rates?
Interstate Gas Supply, Inc.'s average residential rate changed +9.3% from 2024 to 2025 and +45.6% since 2020.
Is my Interstate Gas Supply, Inc. bill too high?
Enter the kWh and amount from your bill in the free bill check on AverageElectricBill.com. It compares your use with similar Ohio homes and your rate with Interstate Gas Supply, Inc.'s average.

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Source: U.S. EIA Form EIA-861, 2025 final data.