Joliet Electricity Shopping: Third-Party Supply on Your ComEd Account
ComEd delivers power across Joliet and Nicor Gas runs the gas mains. Illinois Energy Choice lets Joliet households replace the default supply rate on either bill without changing the utility that keeps the lights on.
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Switch Both Electric + Gas in Joliet — Save $140+/year
Joliet is in a dual fuel deregulated state. You can switch both your electricity AND natural gas provider. Most customers who switch both save $140 or more per year.
About Energy Choice in Joliet
Joliet is a Will County hub with a mix of pre-war city grid and newer subdivisions pushing south and west toward the I-80 / I-55 interchange. All of it is inside ComEd's certified electric territory — the shopping decision in Joliet is never about who runs the wires, only about whose name appears on the supply line of the bill ComEd continues to send.
Because Joliet has meaningful industrial load next to residential neighborhoods, ComEd's local circuits see harder duty cycles than typical suburban feeders. That doesn't affect what residential customers pay for supply, but it does mean outage response — Joliet's 800-334-7661 ComEd number — is the one that matters when weather rolls off the prairie. Your retail supplier is not part of that equation.
For gas, Joliet is on Nicor's system. Customer Select is the shopping program: certified third-party suppliers can offer fixed monthly rates that replace Nicor's monthly gas supply charge, while delivery, meter reads and emergency response stay with Nicor. Households heating with natural gas in Joliet's older housing stock often see gas as the bigger annual bill and shop it first.
The one Joliet-specific rate consideration is time-of-use. ComEd's residential hourly and time-of-day pilots interact with third-party contracts in ways that are easy to overlook — check whether a fixed offer covers all-hours usage or a specific window before signing.
How It Works
Five simple steps to a better energy rate.
Enter Your ZIP
Tell us where you live so we can show available plans.
Upload Your Bill (Optional)
Let Maya AI scan it to find the best matching offer.
Compare Plans
See real rates, contract terms and estimated savings.
Pick a Plan
Choose the offer that fits your home and usage.
Switch in Minutes
No service interruption — your new rate starts next cycle.
Frequently Asked Questions
Who is the electric utility for Joliet?
ComEd (Commonwealth Edison) is the electric distribution utility for Joliet and the rest of Will County's ComEd territory. ComEd operates the delivery system regardless of which supplier a household chooses.
Which gas company serves Joliet?
Nicor Gas delivers natural gas to Joliet. Nicor's Customer Select program lets Joliet residents shop the gas supply charge from a certified third-party supplier while Nicor keeps operating the pipes.
What is ComEd's Price to Compare in Joliet?
It's the default supply rate ComEd charges Joliet customers who haven't shopped, set twice a year by the Illinois Power Agency. Any Alternative Retail Electric Supplier's rate should be measured against the Price to Compare over the months your contract will actually be in effect.
If I switch suppliers, does my Joliet outage response change?
No. Call ComEd at 800-334-7661 for power outages in Joliet — that number is the same for every ComEd customer, whether or not you've picked a competitive supplier.
How long does it take to switch in Joliet?
Enrollment takes a few minutes; the actual switch date lands on your next scheduled meter read. There's no service interruption and no need to contact ComEd or Nicor directly — the new supplier files the paperwork.