What is the average electricity rate in Seneca, Illinois?

The average residential electricity rate in Seneca is approximately 23.37¢/kWh per kWh. The average household pays around $121 per month for electricity.

What is the average natural gas bill in Seneca?

Natural gas customers in Seneca pay an average of $94 per month. The rate is approximately $1.06/therm per therm.

Which electric company serves Seneca, Illinois?

Electricity in Seneca is distributed by ComEd (Commonwealth Edison) and Ameren Illinois. Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves Seneca?

Seneca natural gas service is provided by Peoples Gas and North Shore Gas. Call them directly for new service connections or to report a gas leak.

How do Seneca electricity rates compare to Illinois averages?

Seneca's electricity rate of 23.37¢/kWh is below the Illinois state average of 23.85¢/kWh. This can reflect a municipal utility or favorable regional generation mix.

How do I start or stop utility service in Seneca?

To start electric service in Seneca, contact ComEd (Commonwealth Edison) and Ameren Illinois. For gas service, contact Peoples Gas and North Shore Gas. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

Seneca, Illinois Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in Seneca, Illinois

Seneca residents in Illinois receive electric service through ComEd (Commonwealth Edison) and natural gas distribution from Peoples Gas. Illinois's energy assistance programs, including LIHEAP and weatherization, are available to income-qualified Seneca households.

Compared to the Illinois state average of 23.85¢/kWh/kWh, Seneca's electricity rate of 23.37¢/kWh is 0.48¢ below the Illinois average. As Illinois is a deregulated market, Seneca residents can shop for competitive electricity suppliers to potentially reduce their supply rate.

Electric Utility in Seneca

ComEd (Commonwealth Edison)
Ameren Illinois

Natural Gas Utility in Seneca

Peoples Gas
North Shore Gas
Nicor Gas
Ameren Illinois

Seneca vs Illinois Energy Rates

Metric	Seneca	Illinois Average	US Average
Electric Rate (¢/kWh)	23.37¢	23.85¢	16.00¢
Gas Rate ($/therm)	$1.06	$1.06	$1.47
Monthly Electric Bill	$121	$123	$117
Monthly Gas Bill	$94	$94	$73

Energy Assistance Programs for Seneca Residents

As a Illinois city, Seneca residents can access the following state and local assistance programs:

✅ Illinois Home Weatherization Assistance Program (IHWAP)
✅ LIHEAP Illinois
✅ ComEd Energy Efficiency Program
✅ Ameren Illinois ActOnEnergy

Energy-Saving Tips for Seneca Residents

✓ Winterize your pipes and insulate your water heater for cold months.
✓ Install a programmable thermostat and set heating schedules around your work day.
✓ Check that your furnace filter is replaced monthly during peak heating season.
✓ Add weatherstripping to exterior doors — a common source of heat loss in older Midwest homes.
✓ Consider shopping for a competitive electricity supplier in deregulated Ohio, Illinois markets.

FAQ — Gas & Electricity in Seneca, Illinois

The average residential electricity rate in Seneca is approximately 23.37¢/kWh per kWh. The average household pays around $121 per month for electricity.
Natural gas customers in Seneca pay an average of $94 per month. The rate is approximately $1.06/therm per therm.
Electricity in Seneca is distributed by ComEd (Commonwealth Edison) and Ameren Illinois. Contact your provider at your local service address to confirm which utility serves your home.
Seneca natural gas service is provided by Peoples Gas and North Shore Gas. Call them directly for new service connections or to report a gas leak.
Seneca's electricity rate of 23.37¢/kWh is below the Illinois state average of 23.85¢/kWh. This can reflect a municipal utility or favorable regional generation mix.
To start electric service in Seneca, contact ComEd (Commonwealth Edison) and Ameren Illinois. For gas service, contact Peoples Gas and North Shore Gas. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.