
Commercial Electrical Services
Reliable electrical installations, repairs, and maintenance for Southern Maine businesses — restaurants, offices, retail, and more.
Commercial Services We Provide
We do commercial electrical for all kinds of businesses — retail, restaurants, offices, warehouses.
Restaurant Electrical
Kitchen equipment circuits, hood ventilation wiring, lighting, and full restaurant buildouts.
Office Electrical
Workstation wiring, data and power distribution, LED lighting upgrades, and panel work.
Retail Electrical
Accent and track lighting, display circuits, exterior signage, and tenant improvements.
Warehouse & Industrial
High-bay lighting, three-phase power, machinery circuits, and large panel installations.
Electrical Maintenance
Scheduled preventive maintenance, inspections, and emergency repair for commercial properties.
Tenant Improvements
Full electrical build-outs for commercial tenant spaces — from rough-in to final inspection.
Our Commercial Process
Site Assessment & Quote
We visit your commercial property, review plans or existing conditions, and provide a detailed written estimate.
Project Planning
We coordinate with your schedule to minimize business disruption — evenings, weekends, and phased work available.
Code-Compliant Installation
All commercial work meets or exceeds NEC code requirements. We manage all necessary permits and inspections.
Why Businesses Choose Goodnow Electric
- Owner on-site at every commercial job
- Licensed, bonded & insured
- Minimal disruption to your business
- NEC code-compliant every time
- Permit management included
- Free written estimates
Related services:
“Called Goodnow Electric for an emergency issue late in the evening. They showed up quickly, diagnosed the problem, and had everything fixed within the hour. Incredible service.”
Dave R. • South Portland, ME
Commercial Areas We Serve
Get a Commercial Electrical Quote
Describe your project and we will get back to you with a free, no-obligation estimate.