Peak sun hours in West Virginia (2026)
West Virginia averages 4.3 peak sun hours per day — 9% below the US average of 4.7. In practical terms, every 1 kW of solar there produces about 1,256 kWh of electricity a year.
Peak sun hours/day
4.3
Annual kWh per kW
1,256
vs US average
-9%
What this means for your system
To produce a given amount of electricity, you need fewer panels where there are more peak sun hours. At 4.3 hours, a typical home in West Virginia needs a system sized to its usage and local sun — see exact numbers on the West Virginia solar cost page or work it out with our sizing guide.
Peak sun hours in West Virginia: FAQ
How many peak sun hours does West Virginia get?
West Virginia averages about 4.3 peak sun hours per day — 9% below the US average. That works out to roughly 1,256 kWh of electricity per year for every 1 kW of solar installed.
Is West Virginia good for solar based on sunlight?
Sunlight is only part of the picture. West Virginia's 4.3 peak sun hours are below average, so panels produce a little less, but your electricity rate and incentives matter just as much. See the full economics on our West Virginia solar cost page.