Pennsylvania · EIA utility 58957 · Energy supplier
Interstate Gas Supply, Inc. electricity rates in Pennsylvania, 2025
Interstate Gas Supply, Inc.’s 69,442 residential customers paid an average of 12.95¢ per kWh in 2025, 33% below the Pennsylvania average of 19.29¢. The typical home used 819 kWh a month, for an average bill of $106.
- 12.95¢avg ¢/kWh (2025)+0.07¢ (+0.5%) vs 2024
- $106Avg monthly billPennsylvania: $162
- 819 kWhAvg monthly usePennsylvania: 839 kWh
- 69,442Residential customersEnergy supplier
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 69,442 | 682,302 | $88,373,000 | 12.95¢ | 12.89¢ | +0.07¢ (+0.5%) |
| Commercial | 14,091 | 1,877,558 | $160,665,000 | 8.56¢ | 7.34¢ | +1.22¢ (+16.6%) |
| Industrial | 0 | 0 | $0 | n/a | n/a | n/a |
| All sectors | 83,533 | 2,559,860 | $249,038,000 | 9.73¢ | 8.64¢ | +1.09¢ (+12.6%) |
How Interstate Gas Supply, Inc. compares
- Pennsylvania residential average, 2025: 19.29¢ per kWh, 839 kWh a month, $162 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 62 energy suppliers in Pennsylvania with at least 1,000 residential customers, Interstate Gas Supply, Inc. ranks 24 of 62 from lowest to highest average price.
- Latest monthly figure: Pennsylvania homes paid 21.77¢ per kWh in August 2026 (preliminary), against 19.93¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 0.5%; the state average rose 8.6%.
- Interstate Gas Supply, Inc. is a retail energy provider that sells electricity supply in a state with retail choice. Balancing authority: PJM.
Pennsylvania energy suppliers with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Just Energy Solutions Inc. | 12.27¢ | $91 | 4,393 |
| Respond Power LLC | 12.28¢ | $122 | 45,539 |
| Atlantic Energy LLC | 12.35¢ | $107 | 2,272 |
| New Wave Energy Corporation | 12.54¢ | $127 | 5,084 |
| Shipley Choice, LLC | 12.73¢ | $112 | 8,231 |
| National Gas & Electric, LLC | 12.96¢ | $105 | 11,233 |
| Inspire Energy Holdings, LLC | 13.47¢ | $119 | 61,828 |
| Rushmore Energy, LLC | 13.48¢ | $84 | 3,447 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.
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