Written by Jimco Electric | Published on June 2025
Your electric meter should accurately track your energy usage every single day without issue. When it starts malfunctioning, you may notice unexplained bill spikes, power inconsistencies, or physical damage to the meter itself. This guide covers the most common signs of a failing electric meter for homeowners and business owners in Chicago and the surrounding 40-mile radius.
Recognize the Most Common Signs of a Faulty Electric Meter
Most meter problems do not announce themselves loudly. You have to know what to look for before a small issue turns into a costly problem.
Here are the most frequently reported signs that your meter may be malfunctioning:
- Unusually high or low electric bills with no change in your usage habits
- Flickering or dimming lights throughout the home even when appliances are off
- Burning smell or visible scorch marks near the meter box
- Meter display showing dashes or blank instead of a normal reading
- Meter spinning rapidly when all breakers are off inside the home
- Meter running backwards and you do not have solar panels installed
- Physical damage such as cracks, moisture inside the glass, or a broken seal
Any one of these signs warrants a closer look. Two or more happening at the same time is a strong indicator that something is wrong with your meter or the service entrance equipment.
Understand What Causes Electric Meter Problems in Illinois
Illinois weather is hard on electrical infrastructure. Chicago winters bring extreme cold, ice, and moisture. Summers bring heat, humidity, and severe storms. All of these conditions accelerate wear on outdoor meter equipment.
Common causes of meter malfunctions in the Chicago area include:
- Water intrusion from heavy rain or snow melt seeping into the meter base
- Corrosion on meter contacts caused by salt air, humidity, or aging materials
- Rodent damage to wiring in the meter box or service entrance conduit
- Lightning strikes or power surges from nearby grid activity
- Physical impact from lawn equipment, vehicles, or storm debris
- Aging infrastructure in older Chicago-area homes built before 1980
- Meter tampering which is a criminal offense in Illinois and voids your service agreement
If your home is older or located in a suburban area outside Chicago where trees and weather exposure are greater, your meter and service entrance equipment deserve extra attention.
Compare Normal vs. Abnormal Electric Meter Behavior
Not every unusual reading means your meter is broken. Use this table to compare what normal meter behavior looks like versus what signals a real problem.
| Meter Behavior | Normal or Abnormal? | What It Likely Means |
|---|---|---|
| Steady digital display reading kWh | Normal | Meter is functioning correctly |
| Slow spin on analog dial with one appliance running | Normal | Low energy draw being recorded |
| Blank or dashed display | Abnormal | Display failure or power loss to meter |
| Rapid spin with all breakers off | Abnormal | Possible meter fault or energy theft on line |
| Reading resets to zero randomly | Abnormal | Internal meter failure or tampering |
| Bill doubles with no usage change | Abnormal | Meter over-recording or billing error |
| Meter running backward without solar | Abnormal | Wiring issue or meter malfunction |
When you spot abnormal behavior, do not attempt to open or adjust the meter yourself. The meter and everything upstream of it is the property and responsibility of your utility provider, such as ComEd here in the Chicago area.
Know Who Is Responsible for Meter Repairs in Illinois
This is one of the most confusing parts for homeowners. In Illinois, responsibility for the electric meter is split between you and your utility company.
Here is how that breakdown typically works:
| Component | Who Owns It | Who Repairs It |
|---|---|---|
| Electric meter itself | ComEd (utility) | ComEd |
| Meter base and socket | Homeowner | Licensed electrician |
| Service entrance cable | Homeowner (from meter to panel) | Licensed electrician |
| Service drop (from pole to home) | ComEd | ComEd |
| Main electrical panel | Homeowner | Licensed electrician |
If your meter device is faulty, call ComEd at 1-800-334-7661 to report it and request a meter test. They are required by Illinois Commerce Commission rules to investigate and test your meter if you request it.
However, if the meter base, socket, or service entrance wiring is damaged, that is your responsibility. That is where Jimco Electric comes in. We handle meter base repairs and replacements throughout Chicago and the surrounding communities.
Learn What Illinois Regulations Say About Meter Testing
Illinois homeowners have legal rights when it comes to meter accuracy. The Illinois Commerce Commission (ICC) sets rules that ComEd must follow regarding meter testing and billing disputes.
Key things to know under Illinois utility regulations:
- You can request a free meter accuracy test from ComEd once every 12 months
- If the meter is found inaccurate, ComEd must adjust your bill going back up to 12 months
- ComEd must complete the test within a reasonable timeframe after your request
- You can file a complaint with the ICC if ComEd does not respond appropriately
- A meter reading dispute does not require you to pay the disputed amount while the investigation is open
Keep records of your monthly bills. If you see a sudden spike of 30 percent or more with no clear reason, document it and contact ComEd before assuming the issue is inside your home.
The team at Jimco Electric can also help you assess whether the problem originates at the meter base or inside your electrical panel, which saves you time chasing the wrong issue.
Understand the Cost of Meter Base Replacement in the Chicago Area
If the meter base or service entrance is the problem, here is what you can expect to pay for repairs in the Chicago metro area and surrounding suburbs.
Costs vary depending on the amperage of your service, the condition of the existing wiring, and whether a permit and inspection are required by your local municipality.
| Service Type | Estimated Cost Range | Notes |
|---|---|---|
| Meter base replacement (100-amp service) | $400 to $700 | Common in older Chicago bungalows |
| Meter base replacement (200-amp service) | $600 to $1,100 | Standard for most modern homes |
| Service entrance cable replacement | $500 to $1,500 | Price depends on length and conduit needs |
| Full service upgrade (100A to 200A) | $1,500 to $3,500 | Includes permit and ComEd reconnection |
| Permit and inspection fee (varies by city) | $75 to $250 | Required in most Chicago-area municipalities |
Permits are required for this type of work in virtually every community in Cook County, DuPage County, and Will County. Jimco Electric pulls the necessary permits and coordinates with ComEd for service disconnection and reconnection so you do not have to manage that process yourself.
FAQs on Electric Meter Malfunctions in Illinois
Can a malfunctioning electric meter cause high electric bills?
Yes, a faulty meter can record more energy than you actually use, leading to inflated bills. You can request a meter accuracy test from ComEd at no charge once per year. If the meter is found to be over-recording, ComEd is required to issue a billing adjustment.
Is it safe to stay in my home if I think my meter is malfunctioning?
In most cases, yes. However, if you see scorch marks, smell burning near the meter, or notice sparking, leave the area and call 911 immediately. Once the emergency is clear, contact an electrician to inspect the meter base and service entrance before power is restored.
Who do I call first if I think my electric meter is wrong in Chicago?
Call ComEd first at 1-800-334-7661 to report your concern and request a meter test. If the meter tests fine but you still have electrical issues, then call a licensed electrician like Jimco Electric to inspect the meter base, panel, and wiring inside your home.
Can I replace my own electric meter in Illinois?
No. The meter itself is the property of ComEd and only their technicians are authorized to remove or replace it. Tampering with a utility meter is illegal under Illinois law and can result in criminal charges, fines, and immediate service termination.
How long does a meter base replacement take?
Most meter base replacements take 2 to 4 hours of electrical work. However, the total time from start to finish can be longer because ComEd must disconnect and then reconnect power before and after the job. Scheduling that coordination can add a day or two to the process.
Does homeowners insurance cover meter base damage in Illinois?
It depends on your policy and the cause of damage. Damage from a lightning strike or storm is often covered under standard homeowners insurance policies in Illinois. Wear and age-related failure typically is not. Check with your insurance provider before paying out of pocket.
Wrap Up and Next Steps
A malfunctioning electric meter can cause inaccurate billing, power quality issues, and in severe cases, a safety hazard at your home or business. Knowing the warning signs and understanding who is responsible for each component helps you act quickly and avoid overpaying.
If you are in Chicago or within 40 miles of the city and suspect a meter base problem or service entrance issue, Jimco Electric is ready to help. We are a licensed Illinois electrical contractor with experience handling exactly these types of repairs across Cook, DuPage, and Will counties.
Call Jimco Electric today at 708-304-8687 to schedule an inspection or get a quote. Do not wait for a small meter issue to become an expensive repair or a billing nightmare.