Cost guide
Average installed cost range in Charleston
The average cost in Charleston ranges from $9,300 to $11,259. This is adjusted for local labor rates (Factor: 0.94).
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Estimated range
$9,300 - $11,259
Permits
Local factors that change price
- Permitting approval from Charleston Building Inspections
- Fuel availability (natural gas vs propane)
- Electrical panel upgrades and transfer switch type
Installations in Charleston typically require approval from Charleston Building Inspections. Always hire a licensed electrician and schedule the final inspection.
Recommended setup
Typical setup & recommended kW
Most homes in Charleston land in the 18kW to 22kW range for whole-home backup, but HVAC load and fuel access drive the final sizing decision.
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FAQ
FAQ
What is the average installed cost in Charleston?
Most projects fall within the localized range based on labor, fuel, and permitting assumptions.
What can change the final quote?
Panel upgrades, site access, and fuel line length are common drivers.
More resources
More cost resources
- South Carolina Generator Installation Cost
- Generator Installation Cost by Location
- Home Generator Installation Cost