Wondering about the cost of installing a Generac generator? As an authorized Generac dealer, we get this question frequently. Here's a comprehensive breakdown to help you understand what goes into the investment.
Factors That Affect Cost
Generator Size Generac generators range from 10kW to 26kW+ for residential applications. The size you need depends on what you want to power during an outage.
- 10-14kW: Essential circuits (lights, refrigerator, furnace, sump pump)
- 16-20kW: Most home circuits, including some larger appliances
- 22-26kW+: Whole-home coverage including AC and electric heat
Installation Complexity
Several factors affect installation costs:
- Distance from gas meter to generator location
- Electrical panel location and condition
- Local permit requirements
- Site preparation needs (concrete pad, gravel)
- Gas line sizing requirements
Typical Cost Breakdown
Generator Unit: $4,000 - $15,000+ Depends on size and features (WiFi monitoring, advanced transfer switches, etc.)
Installation Labor: $3,000 - $6,000 Includes electrical work, gas line connection, transfer switch installation, and startup.
Concrete Pad: $500 - $1,500 Required foundation for the generator.
Permits and Inspections: $200 - $500 Required in most jurisdictions.
Gas Line Work: $500 - $2,000+ Depends on distance and sizing requirements.
Total Investment Range
For most residential installations in the Kootenays:
- Essential Coverage (10-14kW): $10,000 - $15,000
- Enhanced Coverage (16-20kW): $14,000 - $20,000
- Whole-Home (22kW+): $18,000 - $28,000+
Why Choose Big Tree Electrical?
As an authorized Generac dealer, we provide:
- Factory-trained installation
- Full warranty support
- Ongoing maintenance services
- 24/7 emergency support
Financing Available
We offer financing through Financeit to make your generator investment more manageable.
Get a Custom Quote
Every installation is unique. Contact Big Tree Electrical for a free on-site assessment and detailed quote for your specific situation.

