Georgia vs Idaho Solar Comparison
Georgia gets more sun (4.8 hrs/day) while Georgia has the faster payback (10.2 years).Georgia offers higher 20-year savings at $30,800.
Georgia
4.8 hrs
10.2yr payback
$30,800
20yr savings
Idaho
4.7 hrs
12.5yr payback
$22,400
20yr savings
Side-by-Side Comparison
| Metric | Georgia | Idaho |
|---|---|---|
| Peak Sun Hours | 4.8 hrs | 4.7 hrs |
| Cost per Watt | $2.90 | $3.00 |
| 6kW System Cost | $17,400 | $18,000 |
| Federal Tax Credit | 30% | 30% |
| State Tax Credit | None | None |
| State Rebate | None | None |
| Net Metering | Partial Net Metering | Full Net Metering |
| Electricity Rate | 14.27¢/kWh | 11.15¢/kWh |
| Payback Period | 10.2 years | 12.5 years |
| 20-Year Savings | $30,800 | $22,400 |
Verdict
Georgia is the better state for solar ROI with $30,800 in 20-year savings and a 10.2-year payback period. Georgia has more sun exposure at 4.8 hrs/day, making it ideal for maximum energy production. Both states qualify for the 30% federal solar tax credit.
Frequently Asked Questions
Is solar better in Georgia or Idaho?
Georgia gets more sun (4.8 peak hours/day vs 4.7). Georgia has a faster payback (10.2 years) and Georgia offers higher 20-year savings ($30,800).
How do solar costs compare between Georgia and Idaho?
A 6kW system costs $17,400 in Georgia vs $18,000 in Idaho before incentives. Both qualify for the 30% federal tax credit.
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Data verified March 2026 · Source: NREL, DSIRE, EIA