Cost to Upgrade from 100 to 200 Amp Service in Ontario

Cost to Upgrade from 100 to 200 Amp Service in Ontario

Upgrading your home’s electrical service from 100 to 200 amps is one of the most impactful electrical investments you can make. It adds capacity for modern appliances, EV chargers, and additional circuits — and it’s often required by insurance companies and building codes before certain renovations. Here’s what a 200-amp service upgrade actually costs in Ontario, including the key variable that most guides overlook: whether you have underground or overhead service.

How Much Does a 200-Amp Service Upgrade Cost in Ontario?

Underground Service Upgrade to 200 Amp

Starts at $1,600, including labour, materials, and ESA permit.

Overhead Service Upgrade to 200 Amp

Starts at $2,600. Overhead service requires new service entrance cable, weatherhead replacement, and utility disconnect coordination.

When Do You Need a 200-Amp Upgrade?

• Installing an EV charger (240V dedicated circuit)
• Adding central AC, hot tub, or other high-draw appliances
• Finishing basement or renovation requiring new circuits
• Insurance flagging undersized panel
• Frequent tripped breakers or no available breaker slots

Get a Quote for Your Service Upgrade

EZSMART provides all-inclusive 200-amp service upgrade quotes for residential and commercial properties across Ontario. No hidden fees for permits or materials. Contact us to schedule a site visit.

Amir Azimipour

Electrician Since 2008 Journeyman Electrician Designated Master Electrician at EZSMART Corp