Written by Jimco Electric | Published on June 2025
An electrical panel upgrade typically takes 6 to 10 hours and involves around five distinct phases: shutting off power, removing the old panel, installing a new breaker box, reconnecting circuits, and passing a city inspection. This guide covers every step in plain language so Chicago homeowners know exactly what to expect before, during, and after the job. Whether your home is in Wicker Park or 40 miles out in Naperville or Joliet, the process follows the same core steps with a few local code differences worth knowing.
Understand Why Chicago Homeowners Need Panel Upgrades
Most older Chicago homes were built with 60-amp or 100-amp panels. Modern households routinely pull 150 to 200 amps with EV chargers, central AC, home offices, and smart appliances running at the same time.
If your panel is undersized or outdated, you are not just dealing with tripped breakers. You are dealing with a genuine fire risk. The Chicago Fire Prevention Code and Illinois state electrical standards both require panels to meet current load demand safely.
Common signs you need an upgrade include:
- Breakers that trip frequently or fail to reset
- Flickering lights when large appliances run
- A Federal Pacific or Zinsco panel, both known for fire hazards
- Scorch marks or burning smells near the panel box
- You are adding a major appliance, EV charger, or home addition
- Your home still uses a fuse box instead of circuit breakers
Jimco Electric handles these upgrades across Chicago and the surrounding suburbs, and the team sees Federal Pacific panels regularly in homes built between the 1950s and 1980s. If your home falls in that age range, an inspection is worth scheduling.
Review the Full Step-by-Step Panel Upgrade Process
Here is exactly what happens on upgrade day, in order. Every licensed electrician in Illinois follows a process similar to this, though timelines shift depending on panel size and home age.
- Pre-job walkthrough: The electrician inspects your existing panel, counts circuits, checks for aluminum wiring, and confirms the new panel size needed (usually 200 amps for most Chicago homes).
- Utility coordination: Your electrician or the homeowner contacts ComEd to schedule a temporary power shutoff at the meter. This is required before any panel work begins.
- Power shutoff: ComEd cuts power at the meter. The electrician shuts off all breakers inside the panel before touching anything.
- Old panel removal: Wires are carefully labeled and disconnected. The old breaker box is removed from the wall. This is where older homes can surprise you with knob-and-tube or aluminum wiring that needs extra attention.
- New panel installation: The new panel (commonly a Square D, Leviton, or Eaton 200-amp box) is mounted and secured. The main service entrance wires are connected first.
- Circuit reconnection: Each branch circuit wire is connected to its new breaker in the new panel. Circuits are labeled clearly on the directory card inside the panel door.
- Power restoration: ComEd restores service at the meter. The electrician tests every circuit before closing the panel.
- City inspection: In Chicago, a licensed electrician must pull a permit and schedule an inspection with the city. The inspector checks grounding, bonding, breaker sizing, and panel placement before signing off.
The inspection step is non-negotiable in Chicago. Any contractor who skips the permit is putting your homeowner’s insurance and your home’s resale value at serious risk.
Compare Panel Sizes and What Each Supports
Not every home needs the same panel size. Here is a practical breakdown of common panel sizes and what each one realistically supports for Chicago-area homes.
| Panel Size | Best For | Supports | Typical Cost Range (Chicago) |
|---|---|---|---|
| 100-amp | Small older homes, condos | Basic lighting, outlets, one central AC unit | $1,200 – $1,800 |
| 150-amp | Mid-size homes | Central AC, electric dryer, standard appliances | $1,500 – $2,200 |
| 200-amp | Most single-family Chicago homes | EV charger, whole-home AC, hot tub, all appliances | $1,800 – $3,000 |
| 400-amp | Large homes, multi-family buildings | Multiple EV chargers, large HVAC systems, workshops | $3,500 – $6,000+ |
These ranges reflect typical Chicago-area pricing. Homes outside the city in areas like Aurora, Bolingbrook, or Orland Park may see slightly lower labor rates, though permit fees vary by municipality.
Jimco Electric recommends 200-amp panels for most single-family homes in the Chicago area, even if current usage does not seem to demand it. The extra capacity future-proofs your home for the next decade.
Understand Chicago Permit and Inspection Requirements
Chicago has specific permit requirements that differ from many suburbs. Knowing these ahead of time prevents delays and unexpected costs.
In the City of Chicago, electrical work requires a permit pulled through the Chicago Department of Buildings. Only licensed electricians with a City of Chicago Electrical Contractor License can legally pull these permits. The inspection process typically adds one to three business days to the project timeline.
In suburban areas within 40 miles of Chicago, permit requirements are handled at the village or city level. Towns like Evanston, Oak Park, Schaumburg, and Joliet each have their own building departments and inspection schedules. Your electrician should handle permit coordination as part of the job.
Key Chicago and Illinois electrical code requirements for panel upgrades include:
- Panels must be accessible and not located in closets or bathrooms
- A minimum 36-inch clearance in front of the panel is required
- Grounding electrode systems must meet NEC 2020 standards as adopted in Illinois
- Arc fault circuit interrupters (AFCIs) are required on bedroom circuits
- Ground fault circuit interrupters (GFCIs) are required in kitchens, bathrooms, garages, and exterior circuits
Failing an inspection means a re-inspection fee and additional delays. A qualified electrician handles this correctly the first time.
See How Long the Upgrade Actually Takes
Homeowners often ask how long they will be without power. Here is an honest breakdown of the timeline for a standard 200-amp panel upgrade in a Chicago single-family home.
| Phase | Estimated Time | Notes |
|---|---|---|
| Pre-job ComEd coordination | 1 to 3 days before job | Scheduling varies by season, busier in summer |
| Power shutoff and panel removal | 1 to 2 hours | Longer for older homes with complex wiring |
| New panel installation | 2 to 3 hours | Includes mounting, wiring service entrance |
| Circuit reconnection and testing | 2 to 4 hours | More circuits mean more time |
| Power restoration | 30 to 60 minutes | Depends on ComEd availability |
| City inspection | 1 to 3 business days after work | Chicago inspections can book out |
Most homeowners are without power for 6 to 8 hours on the actual work day. Plan to be home, keep a cooler for perishables, and charge devices the night before. In Chicago winters, if the home uses electric heat, plan for alternate heating during the shutoff window.
Know What to Do Before and After the Upgrade
Preparation on your end makes the job faster and cleaner. Here is what Jimco Electric recommends for homeowners to do before the electrician arrives.
- Clear a 3-foot radius around your existing electrical panel so the crew has full access
- Make a list of any circuits that have given you trouble so the electrician can note them
- Confirm your WiFi router and modem location so those circuits get labeled correctly
- Notify neighbors if your upgrade involves any exterior service work near shared property lines
- Remove any valuables or sensitive electronics from areas near the panel if it is in a finished space
After the upgrade is complete, you should receive a clearly labeled panel directory, a copy of the permit, and confirmation that the inspection passed. Ask your electrician for all of these before they leave.
Once your new panel is in place, it is a good time to audit the rest of your electrical system. Older Chicago homes often have outdated wiring, missing GFCI outlets, or ceiling fans on circuits that are not properly rated. Catching these issues now saves another service call later.
FAQs on Electrical Panel Upgrades for Chicago Homeowners
How much does an electrical panel upgrade cost in Chicago?
Most Chicago homeowners pay between $1,800 and $3,000 for a standard 200-amp panel upgrade, including labor, materials, permit fees, and inspection. Older homes with aluminum wiring or knob-and-tube circuits may cost more due to additional remediation work needed.
Do I need to be home during the panel upgrade?
Yes, you should plan to be home for the full day. The electrician needs access to the panel and may need to ask questions about specific circuits. ComEd also requires an adult present at the meter location when power is restored.
Will my homeowner’s insurance cover a panel upgrade?
Standard homeowner’s insurance does not cover the cost of upgrading a panel unless the damage was caused by a covered event like a storm or fire. However, many insurers will reduce your premium once a hazardous panel like a Federal Pacific is replaced with a modern, code-compliant box.
How do I know if my Chicago home has a dangerous panel?
Check the brand name printed inside your panel door. Federal Pacific Electric panels with Stab-Lok breakers and Zinsco panels are the two most commonly flagged for fire hazards. If your panel has these brands, contact a licensed electrician for an evaluation before the next issue occurs.
Can I stay in my home during the panel upgrade?
Yes, you can stay in the home, but you will be without power for most of the workday. Keep in mind that heating, cooling, refrigeration, and lighting will all be offline during the shutoff window. In extreme Chicago winter or summer temperatures, plan accordingly.
How often do electrical panels need to be replaced?
A well-installed electrical panel typically lasts 25 to 40 years. If your Chicago home is more than 30 years old and has never had a panel upgrade, it is worth having a licensed electrician inspect the current setup for capacity, safety, and code compliance.
Wrap Up and Next Steps
An electrical panel upgrade is a one-day investment that protects your home for decades. The process is straightforward when handled by a licensed electrician who knows Chicago’s permit requirements and ComEd coordination process.
Jimco Electric serves Chicago and communities throughout the surrounding 40-mile radius, including the western and southern suburbs. The team handles everything from the initial assessment through the final inspection so you do not have to manage the details yourself.
Call Jimco Electric at 708-304-8687 to schedule your panel inspection or upgrade. Get a clear quote, a real timeline, and a licensed crew that knows Chicago electrical codes inside and out.