100 to 200 Amp Panel Upgrade in St. Louis
Professional 100 to 200 amp panel upgrade by First Choice Electric, LLC. Serving St. Louis County, St. Charles County, and surrounding areas with licensed electricians, permits included, and same-day inspection.
$2,500 - $4,500
installed100 to 200 Amp Panel Upgrade Services in St. Louis
First Choice Electric, LLC provides professional 100 to 200 amp panel upgrade services throughout the St. Louis metropolitan area, serving 30+ communities with licensed electricians.
Service Overview
What's included
Whether you're in O'Fallon, St. Charles, St. Peters, or any of the communities we serve, our licensed electricians deliver code-compliant work with same-day inspection.
Permits
Included
Ameren Coord
Included
Timeline
1-2 Days
Inspection
Same-Day
Why Upgrade to 200 Amps?
Many St. Louis homes built before 2000 have 100-amp service—insufficient for today's demands.
EV Chargers
Level 2 chargers need 40-50 amps
Heat Pumps & AC
High-efficiency systems need dedicated circuits
Home Additions
New space means more electrical load
Workshop Equipment
Welders, compressors, power tools
Hot Tubs & Pools
Require dedicated high-amperage circuits
Ready to Get Started?
Get a free, no-obligation quote for your 100 to 200 amp panel upgrade project.
Get Your Free QuoteWhy Choose First Choice Electric for Your 200 Amp Upgrade
Professional service, transparent pricing, and quality work from St. Louis's trusted electrical contractor.
Double Your Capacity
Upgrade from 100A to 200A to power modern homes and future additions.
Modern Home Ready
Support EV chargers, heat pumps, hot tubs, and workshop equipment.
Code Compliant
All work meets current NEC and local electrical codes.
One-Day Install
Most 200A upgrades completed in a single day with minimal disruption.
Panel Brands We Install
We install quality electrical panels from trusted manufacturers. All panels meet current NEC codes and come with manufacturer warranties.
Panels That Need Immediate Replacement
These panel brands have documented safety issues and are no longer considered safe. If you have one of these panels, we strongly recommend replacement.

Federal Pacific
Breakers fail to trip during overloads, causing fires
Safety Warning
Zinsco
Breakers melt to bus bars, cannot be shut off
Safety Warning
Pushmatic
Breakers become unreliable with age, parts unavailable
Safety Warning
Challenger
Some models recalled for fire hazards
Safety WarningNot sure what panel you have? We offer free inspections to identify your panel brand and assess its condition.
Our 200 Amp Upgrade Process
From first call to finished project, here's what to expect when you work with First Choice Electric.
Assessment & Estimate
We inspect your current panel, discuss your needs, and provide a detailed written estimate—no obligation.
Approval & Coordination
Once approved, we coordinate with Ameren to confirm scope of work and pull all required permits.
Scheduled Disconnect
We coordinate the temporary utility disconnect and schedule your installation date.
Install & Inspection
Our licensed electricians complete the work with same-day inspection, then contact the utility to restore power.
200 Amp Upgrade Service Details
Service Size
200 Amps
Circuit Spaces
30-42 typical
Includes
Panel + Breakers
Permit
Included
Inspection
Scheduled for you
Documentation
Full paperwork provided
Dangerous Panel Brands
If you have one of these panel brands, replacement is strongly recommended for safety:
- • Federal Pacific (FPE/Stab-Lok)
- • Zinsco
- • Pushmatic
- • Some Challenger panels
These panels have documented safety issues including breakers that fail to trip during overloads. Many insurance companies require replacement of these brands.
What's Included in Your 200 Amp Upgrade
Our quotes are comprehensive with no hidden fees. Here's everything included in your 200 amp upgrade price:

200 Amp Upgrade Service Areas
We provide 100 to 200 amp panel upgrade services throughout the St. Louis metro area.
Warren & Lincoln Counties
200 Amp Upgrade FAQ
Common questions about 100 to 200 amp panel upgrade in St. Louis.
Do I need a 200 amp upgrade?+
If you have a 100A panel and want to add an EV charger, heat pump, hot tub, or home addition, you likely need a 200A upgrade. Signs you're at capacity: frequently tripping breakers, flickering lights, or no room for new circuits.
Does the utility company need to be involved?+
Yes. We coordinate with Ameren to disconnect and reconnect your service. This is included in our service—we handle all utility coordination and scheduling.
Will I be without power during the upgrade?+
Yes, typically for 4-8 hours while we complete the upgrade. We schedule the utility disconnection to minimize inconvenience and complete work as efficiently as possible.
What's included in the price?+
Our quotes include the new 200A panel, main breaker, required circuit breakers, permit fees, Ameren coordination, and same-day inspection. We provide a detailed line-item quote before any work begins.
Ready for Your 200 Amp Upgrade?
Get a free quote for your 100 to 200 amp panel upgrade in St. Louis. First Choice Electric responds within 24 hours with transparent, no-obligation pricing.
Get Your Free QuoteInstallations by
Missouri License #2025001688 | St. Charles County #E25-000008 | St. Louis County #ES4501



