How much does an electrical panel upgrade cost?

Updated March 25, 2026 · Expert-verified answer

Quick Answer

An electrical panel upgrade costs $1,500-$4,000. Upgrading from 100 to 200 amps: $1,800-$3,500.

Cost Breakdown

Service Low High Notes
100 to 200 amp 1800 3500 Most common
200 to 400 amp 3000 6000 Large homes
Sub-panel addition 500 1500 Supplemental capacity

Electrical Panel Upgrade Cost

Panel upgrades are necessary for older homes, EV chargers, or major renovations. Most cost $1,500-$4,000.

Common Upgrades

100→200 amp: $1,800-$3,500 (most common). 200→400 amp: $3,000-$6,000. Sub-panel: $500-$1,500.

Why Upgrade

Modern homes draw more power. Signs: frequently tripping breakers, flickering lights, warm panels.

Permits

Required in virtually all jurisdictions. Inspection required after completion.

Timeline

4-8 hours typical. Complex upgrades may take 1-2 days.

Related Questions

How to know I need one?

Frequent breaker trips, flickering lights, warm/buzzing panel, fuses instead of breakers.

How long does it take?

4-8 hours. Complex jobs may take 1-2 days.

Is 200 amps enough?

For most homes yes, even with EV charger.