Utility Check

Understanding Your ComEd Bill

Last updated: January 2026

ComEd bills contain multiple sections and charges that can be confusing. This guide breaks down each component so you know exactly what you're paying for.

Account Information

The top of your bill shows:

  • Account number
  • Service address
  • Billing period dates
  • Meter number and reading dates

Electricity Supply Charges

These charges are for the actual electricity you use:

  • Supply Charge: Cost per kWh for electricity generation
  • Purchased Electricity Adjustment: Market price adjustments
  • Transmission Services Charge: Moving power from generators to ComEd's system

If you have an alternative supplier, their charges replace ComEd's supply charges.

Delivery Charges

ComEd's charges for delivering electricity to your home:

  • Customer Charge: Fixed monthly fee (~$12.83 for residential)
  • Standard Metering Service: Meter maintenance
  • Distribution Facilities Charge: Per kWh charge for local distribution
  • Illinois Electricity Distribution Charge: State-mandated charge

Riders (Surcharges)

  • Energy Efficiency Programs: Funds efficiency rebates and programs
  • Renewable Portfolio Standard: Supports renewable energy development
  • Zero Emission Standard: Supports Illinois nuclear plants
  • Environmental Cost Recovery: Environmental compliance costs

Quick ComEd Bill Check

Enter your bill details below to see if your rate appears typical for ComEd customers.

Quick Bill Sanity Check

No upload required. Enter two numbers from your bill to see if it falls within typical ranges for ComEd.

Most utility bills are calculated correctly.

This quick check helps you understand if your bill stands out from typical ranges. It cannot determine accuracy without a full bill review.

The "Total Amount Due" on your bill

Usually labeled "Total kWh" or "Usage"

Disclaimer: This tool provides a rough estimate based on typical residential rates. It does not account for fixed charges, demand charges, time-of-use pricing, taxes, fees, or other bill components. Results are for informational purposes only and should not be considered financial or legal advice. We cannot determine billing accuracy without reviewing your full bill.

Want a Definitive Answer?

The sanity check above provides context, but it can't verify your actual bill. Upload your ComEd bill for a complete verification of billing math, rate application, and usage patterns.

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How Utility Check Works

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Frequently Asked Questions

What is the ComEd customer charge?

The customer charge is a fixed monthly fee of approximately $12.83 for residential customers. This covers basic account services and is charged regardless of how much electricity you use.

What are ComEd rider charges?

Riders are surcharges that fund specific programs like energy efficiency, renewable energy, and nuclear plant support. They're mandated by Illinois law and appear as separate line items on your bill.

How do I know if my meter was estimated?

Your bill will indicate 'Estimated' or 'Actual' next to the meter reading. If estimated, ComEd will true-up the amount on your next actual reading, which can cause bill fluctuations.