A 3,500 square foot home in Georgia typically uses about 1,691 kWh per month at the state average rate of 13.0¢/kWh (EIA). With 5.2 peak sun hours per day, most homeowners need a 13.0 kW solar system — roughly 33 panels at 400W. After the 30% federal ITC, net cost is about $27,400, with 11.9-year payback and $68,800+ in estimated 25-year savings.
Content roles: This page is your Georgia-specific sizing decision for 3,500 sq ft. For national methodology and roof/orientation depth, see the 3,500 sq ft national guide. For bill-based sizing, see $300/month (~$220/mo equivalent in Georgia). Policy depth: Georgia solar data.
⚡ System Size
How Many Solar Panels for a 3,500 sq ft House in Georgia?
Georgia electricity rates and sun hours change panel count versus the US average:
System size (kW) = Annual kWh ÷ (Peak sun hours × 365 × 0.82)
For 3,500 sq ft in Georgia:
Estimated monthly usage: ~1,691 kWh
Peak sun hours: 5.2 h/day
System size:13.0 kW (~33 × 400W panels)
Metric
Georgia
US average
Rate
13.0¢/kWh
16.3¢/kWh
Sun hours
5.2 h/day
4.5 h/day
System size
13.0 kW
15.1 kW
Panels (400W)
33
38
Georgia requires a smaller system than the national average for the same square footage. Use our solar system size calculator with your actual utility bills for a precise ZIP-level result.
Find your exact solar savings
Enter your ZIP code for a personalized estimate using your state's electricity rate and sun hours.
💰 System Cost
What Does Solar Cost for a 3,500 sq ft Home in Georgia After the ITC?
At $3.00/W installed (SEIA 2026), a 13.0 kW system in Georgia costs about $39,100 before incentives. The 30% ITC saves ~$11,730, for $27,400 net cost.
📈 Payback Period
How Long Is Solar Payback on a 3,500 sq ft Home in Georgia?
A 13.0 kW system saving ~$2,295/year pays back in about 11.9 years after the ITC. At 3% rate escalation, 25-year utility spend totals ~$96,200 vs $27,400 net solar — $68,800+ lifetime advantage.
Solar vs utility company · 25-year comparison
Total cost of staying on the grid vs owning solar for a $300/month bill (national average assumptions).
Georgia does not currently offer a state solar tax credit. However, Georgia has net metering requirements for investor-owned utilities, and some local utilities and cooperatives offer their own solar incentive programs. Georgia Power’s Advanced Solar Initiative may be available in some areas.
At Georgia's average rate of 13.0¢/kWh and 5.2 peak sun hours, a 3,500 sq ft home (~1,691 kWh/month) typically needs a 13.0 kW system — about 33 panels at 400W. See the [national 3,500 sq ft guide](/guides/how-many-solar-panels-3500-sq-ft-house/) for methodology.
A 13.0 kW system in Georgia costs roughly $39,100 installed before incentives. The 30% federal ITC reduces net cost to about $27,400. Georgia does not currently offer a state solar tax credit. However, Georgia has net metering requirements for investor-owned utilities, and some local utilities and cooperatives offer their own solar incentive program...
At $27,400 net cost and ~$2,295/year in bill savings, simple payback in Georgia is about 11.9 years.
Most Georgia homeowners in this size range see **$68,800+** estimated 25-year savings vs utility power. Equivalent monthly bill: **~$220** — compare the [$300/month bill guide](/guides/solar-panels-300-month-electric-bill/) for bill-based sizing.
The US average needs a 15.1 kW system at 11.0-year payback. Georgia needs 13.0 kW with 11.9-year payback at 13.0¢/kWh and 5.2 sun hours.
$300/month electric bill by state
System size and payback vary by electricity rate and sun hours — see your state.