How Many Solar Panels in Oklahoma?
A typical Oklahoma household using 10,500 kWh a year needs about 18 panels — a 7.1 kW system. That is 2 fewer than the national average.
Panels needed
18
10 of 51 states, fewest first
System size
7.1 kW
Roof space
324 sq ft
Peak sun hours
5.1 / day
Based on 400W panels and 10,500 kWh a year. Your own bill will differ — put your figure into the calculator.
What drives the number in Oklahoma
At 5.1 peak sun hours a day, Oklahoma sits close to the national average. Each kilowatt delivers about 1,489 kWh a year.
Roof space is usually the binding constraint rather than budget. The 324 square feet above is usable south-facing area — chimneys, vents, dormers and north-facing slopes do not count towards it.
How long would that system take to pay for itself in Oklahoma? →