Southeast Michigan
Panel Upgrade (200A → 400A)
Upgrade to 400A service for whole-home electrification, large additions, or multi-unit properties.
Panel Upgrade (200A → 400A)
A 400A service upgrade is the right move when you're running multiple EVs, a whole-home generator, large HVAC systems, or a home with a significant addition. We coordinate with DTE and handle the full scope.
What's included
- ✓400A service entrance and meter base upgrade
- ✓DTE coordination for utility-side changes
- ✓Dual 200A panel or large capacity panel
- ✓Permit and inspection coordination
- ✓Full load calculation included
Good fit if you have…
- ✓Running multiple EVs and a whole-home generator
- ✓Large home addition increasing electrical demand
- ✓Going fully electric (no gas)
- ✓Whole-home electrification project
Pricing: Starts at $5,500
Licensed & insured Michigan electricians. Permit coordination included.
Why Killer Electric
✓Licensed & insured Michigan electricians
✓Permits pulled and inspections coordinated on every job
✓Upfront scope and pricing — no surprise add-ons
✓Fast response — same or next-day for most projects
✓Serving Ann Arbor, Ypsilanti, Saline, Plymouth, and all of SE Michigan
Get a Fast Estimate
We serve Ann Arbor, Ypsilanti, Saline, Plymouth, Northville, Canton, and all of Southeast Michigan. Fill out the form and we'll get back to you fast — usually same day.
Serving Southeast Michigan
We provide panel upgrade (200a → 400a) in these communities and surrounding areas.