Solar Payback Period by State: Where Solar Pays Off Fastest in 2026

What Determines Your Solar Payback Period?

Three factors drive how fast your solar investment pays for itself:

1. Local electricity rates — higher rates = faster payback
2. Solar irradiance — more sun = more production = more savings
3. State incentives — rebates and tax credits reduce upfront cost

Payback Period by State (8 kW System, 2026)

State	Avg. Electric Rate	Sun Hours/Day	Est. Payback
Arizona	$0.14/kWh	6.5	4–5 years
Nevada	$0.13/kWh	6.5	4–5 years
California	$0.28/kWh	5.5	5–6 years
Texas	$0.14/kWh	5.5	6–7 years
Florida	$0.13/kWh	5.5	6–8 years
New York	$0.22/kWh	4.0	6–8 years
Massachusetts	$0.25/kWh	4.0	5–7 years
Colorado	$0.13/kWh	5.5	6–8 years
Washington	$0.11/kWh	3.5	10–12 years

Why California Has Fast Payback Despite Average Sun

California does not get the most sun, but its high electricity rates ($0.28/kWh average) make every kWh produced worth more.

Calculate Your Specific Payback

Payback (years) = Net Cost ÷ Annual Savings

Find Your Payback Period

Our free calculator uses your exact zip code and local electricity rate to calculate your personalized payback period.