Milwaukee's #1 Master Electrician for Panel Upgrades, EV Charging & Solar.
Licensed & insured master electricians delivering high-end, code-compliant work—panels, EV charging, and solar electrical. Serving Milwaukee, Waukesha & Northern Illinois.
5‑Star Reviews
BBB Accredited
Workmanship Warranty
Why Milwaukee Homeowners Choose Lehmann Electrical
As a local, family-owned electrical contractor, we combine the highest credentials with a commitment to transparent pricing, safety, and a 5-star service experience on every job.
Licensed Master Electrician
Ensures the highest level of expertise and strict code compliance for your safety.
Tesla EV Installer
Specialized expertise in EV charging few local electricians possess.
Same-Day Service
Fast, reliable response for emergency electrical needs when you need it most.
Upfront Pricing
No hidden fees. Detailed, transparent quotes before any work begins.
12-Month Warranty
Comprehensive workmanship warranty for your complete peace of mind.
Fully Insured
Complete insurance and bonding protection for your home and family.
Modern Electrical Solutions for Milwaukee
We specialize in future-proofing your home’s electrical system for safety, efficiency, and modern demands.
Electrical Panel Upgrades
Power your modern home safely with a 100A to 200A panel upgrade, including upgrading old fuse boxes.
- 100A to 200A panel upgrades
- Fuse box to breaker conversion
- Service entrance modernization
- Same-day installation available
- All permits & inspections included
Solar Panel Installation
Harness clean energy and reduce your bills with a custom solar energy system.
- Free site assessment & design
- Battery storage integration (Powerwall)
- 25-year panel performance warranty
- Real-time performance monitoring
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Tesla & EV Charging
Get fast, reliable Level 2 home charging from a Tesla Certified installer.
- Tesla certified installer
- Free electrical capacity assessment
- 48-amp charging capability
- Smart app integration & scheduling
- Panel upgrade if needed
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Smart Home Integration
Professional wiring for smart lighting, thermostats, security systems, and robust home automation.
- Smart device wiring & integration
- Cat6 network cabling
- Voice control compatibility
- Energy management systems
LED Lighting Design
Transform your space and reduce energy use by 75% with recessed and smart lighting solutions.
- Custom lighting design
- 75% energy savings
- Smart dimming & controls
- Indoor & outdoor solutions
Backup Generators
Whole-home standby generators for power outage protection.
- 14-24kW whole-home systems
- Automatic power restoration
- Transfer switch installation
- Professional site assessment
And Much More...
We are equipped to handle any residential or commercial electrical need, from emergency repairs to new construction.
Repair & Troubleshooting
Outlet & Switch Installation
Maintenance Contracts
Code Compliance Updates
Hear From Your Neighbors in Milwaukee & Waukesha
Real feedback from clients who trusted us with their home’s electrical safety and performance.
“Our breakers were tripping constantly. Lehmann upgraded our panel to 200 amps in one day, handled permits and left everything spotless. We can finally run our EV charger, dryer and oven without worrying.”
“They walked me through the whole Tesla Wall Connector process, checked my capacity and installed a clean charger setup in the garage. Charging is fast and simple now. True professionals.”
“Lehmann handled our solar, battery and backup generator wiring. They coordinated everything with the utility and explained our options clearly. Huge peace of mind during storms.”
Serving Milwaukee & Waukesha County
We serve homeowners and businesses across Southeastern Wisconsin, including:
Our Simple 4-Step Process
Diagnose
We listen, inspect your system, and identify safety issues or upgrade needs.
Design
We design a code-compliant solution and provide a clear, itemized quote.
Install
Licensed electricians complete the work, handling all permits and inspections.
Protect
You receive documentation, a 12-month warranty, and long-term peace of mind.
Ready for a Safer, More Modern Home?
Choose the path that best matches your needs. We’re ready to help.
Frequently Asked Electrical Questions in Milwaukee
Clear, straightforward answers to help you make informed decisions about your home’s electrical system.
You likely need an upgrade if breakers trip frequently, lights flicker, or you're planning major additions like EV charging or solar. We perform a detailed load calculation to confirm if an upgrade is essential for safety.
Most residential panel upgrades in our service area fall between $3,500 and $6,000+. This depends on panel size and site conditions. We always provide a clear, itemized quote before work begins.
A standard residential panel upgrade is typically completed in a single day (6-8 hours). We handle all permits and inspections to ensure a smooth process with minimal disruption to your home.
Not always. We perform a crucial load calculation to see if your existing panel can safely support the continuous load of an EV charger. If an upgrade is needed, we design a comprehensive solution for your vehicle and future needs.