Illinois Price to Compare
For electric: Spark Energy is not the same entity as your electric delivery company. You are not required to enroll with Spark Energy. Beginning on June 1st, 2025, the electric supply price to compare can be referenced below in the table in cents per kilowatt-hour. The electric utility electric supply price will expire on September 30th, 2025. The utility electric supply price to compare does not include the purchased electricity adjustment factor. The purchased electricity adjustment factor may range between +.5 cents and -.5 cents per kilowatt-hour. For more information go to the Illinois Commerce Commission’s free website at www.pluginillinois.org.
For gas: Spark Energy is not the same entity as your gas delivery company. You are not required to enroll with Spark Energy. Beginning on July 1st, 2025, the utility gas supply cost rate per therms is also available in the below reference table in dollars per therms. The utility gas supply cost will expire on July 31st, 2025. For more information go to the Illinois Commerce Commission’s free website at Consumer Education (illinois.gov).
Electric PTC:
| Common Market | State | Commodity | Customer Type | Price in ¢ | Unit of Measure | Rate Start Date | Rate End Date |
| COMED | IL | Electric | Residential | 10.028 | KWH | 6/01/2025 | 6/30/2025 |
Natural Gas PTC:
|
Common Market |
State | Commodity | Customer Type | Price in $ | Unit of Measure | Rate Start Date | Rate End Date |
| NICOR | IL | Natural Gas | Residential | 0.5400 | THM | 07/01/2025 | 07/31/2025 |
| NSG | IL | Natural Gas | Residential | 0.4249 | THM | 07/01/2025 | 07/31/2025 |
| PGL | IL | Natural Gas | Residential | 0.4951 | THM | 07/01/2025 | 07/31/2025 |