What are Base's current and historical energy supply rates?
Base Retail Product Offerings
Commonwealth Edison (ComEd) service territory | Illinois
The table below shows the highest and lowest time-of-use supply rates charged by Base Retail over the past twelve months. Historical pricing is not indicative of present or future pricing.
Product | Effective date | End date | On-peak rate | Off-peak rate | ComEd price-to-compare (PTC) |
Battery Time of Use Supply Plan | 05/02/2026 | Present | 8.2¢/kWh | 7.9¢/kWh | |
On-peak and off-peak periods are defined in your electric service agreement. The ComEd price to compare is published by the Illinois Commerce Commission at plugin.illinois.gov, where you may also compare electric suppliers.
Base Retail, LLC is an Alternative Retail Electric Supplier (ARES) licensed in Illinois. You are not required to purchase electricity from Base Retail, however, enrollment in a Base Retail supply plan is required to maintain battery service at your home.
Last updated: 05/01/2026