The average whole house generator costs $8,000-$15,000 fully installed. But that range depends on size, brand, and your specific installation requirements. Here's the complete breakdown.
Quick Cost Summary
| Generator Size | Equipment | Installation | Total |
|---|---|---|---|
| 10-14 kW | $3,500-$5,000 | $3,500-$5,000 | $7,000-$10,000 |
| 16-20 kW | $4,500-$6,500 | $4,000-$5,500 | $8,500-$12,000 |
| 22-26 kW | $5,500-$8,000 | $4,500-$6,000 | $10,000-$14,000 |
| 26+ kW | $8,000-$15,000 | $5,000-$8,000 | $13,000-$23,000 |
What's Included in Installation Cost?
- Concrete pad: $300-$600
- Transfer switch: $500-$1,500 (included with most generators)
- Electrical work: $1,500-$3,000
- Gas line connection: $500-$1,500
- Permits & inspections: $200-$500
- Labor: $1,000-$2,000
Cost by Brand
| Brand | 22kW Price Range | Notes |
|---|---|---|
| Generac | $5,500-$6,500 | #1 selling brand, best value |
| Cummins | $6,500-$8,000 | Commercial-grade reliability |
| Briggs & Stratton | $5,000-$6,000 | Quietest operation |
| Kohler | $7,000-$9,000 | Premium brand |
| Champion | $4,000-$5,500 | Budget-friendly option |
How to Save on Generator Costs
1. Buy from a Nonprofit Dealer
Power Up Generator Solutions is a 501(c)(3) nonprofit. No commissions. No upsells. Just fair pricing. This saves you $2,000-$4,000 compared to for-profit dealers.
2. Finance Your Purchase
We offer financing starting at $25/month. About 50% of our customers choose financing to spread the cost over time.
3. Right-Size Your Generator
Don't overbuy. A professional load calculation ensures you get exactly what you need—not more.
Ongoing Costs
- Annual maintenance: $150-$300/year
- Fuel (natural gas): $3-$5/hour when running
- Fuel (propane): $4-$8/hour when running
No Commissions. No Upsells. Just Fair Pricing!
As a 501(c)(3) nonprofit, we offer fair, transparent pricing on all generators. Get a free quote today.