How many peak sun hours does Atlanta, GA get?

Atlanta, GA averages approximately 4.75 peak sun hours per day based on Open-Meteo historical satellite data.

What is the average electricity rate in Atlanta, GA?

The average residential electricity rate in Atlanta, GA is approximately $0.128 per kWh (EIA data).

Is solar worth it in Atlanta, GA?

Based on 4.75 peak sun hours and $0.128/kWh rates, a typical 6kW system in Atlanta, GA has an estimated payback of 11.8 years and a 25-year NPV of approximately $8,674.

4.75 Peak Sun Hrs $0.128/kWh Georgia

Solar Calculator — Atlanta, GA

Adjust system size and cost. Location data: 4.75 peak sun hours/day, $0.128/kWh average rate.

Data last updated: July 25, 2026

Solar ROI Calculator

Assumes 4.75 peak sun hours, $0.128/kWh, 80% derating, 0.5% annual degradation, 2.5% utility escalation, 4% discount rate. Federal ITC 30% applied.

Key Assumptions

Peak Sun Hours (daily avg)	4.75 hrs
Avg. Electricity Rate	$0.128/kWh
Federal Tax Credit	30%
State Tax Credit	0% (none)
System Derating	80% (temp, inverter, soiling)
Annual Degradation	0.5%
Utility Escalation	2.5%/year
Discount Rate	4%

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