The numbers
Most Gulfport/Biloxi homeowners pay between $5,370 and $22,370 fully installed. The typical project lands around $10,740.
Range includes generator unit, automatic transfer switch, concrete pad, permits, gas line tie-in, electrical labor, and startup testing.
| Generator size | Typical installed range | Best for |
|---|---|---|
| 10–14 kW | $3,222 – $7,517 | Essential circuits only |
| 18–22 kW | $9,129 – $12,350 | Whole-home including AC |
| 24–26 kW | $11,814 – $19,014 | Large home, multi-AC, EV |
Sources
- SourceNailtheprice says $5,370 to $22,370 installed with most paying around $10,740
- SourceElectrical-cost-guide says 7,500W at $6,000, 20kW at $12,000, automatic transfer switch at $1,500
- SourceHomeAdvisor national data says $5,000 to $18,000 for whole-house generators
What drives the variance
- Generator size10 kW vs 26 kW swings the unit price by $8,000+
- Transfer switchAutomatic adds $2,000 to $4,000 over manual
- Gas line$2,000 depending on distance from meter per Nailtheprice
- Electrical panelUpgrade adds $2,000 to $4,000 if needed
- PermitsVaries by jurisdiction, confirm with Mississippi State Board of Contractors
- Concrete pad$500 for concrete pad per Nailtheprice
- LaborMS Gulf Coast rates, typically below national average
For dealers
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