How Many Solar Panels in Colorado?
A typical Colorado household using 10,500 kWh a year needs about 17 panels — a 6.7 kW system. That is 3 fewer than the national average.
Panels needed
17
6 of 51 states, fewest first
System size
6.7 kW
Roof space
306 sq ft
Peak sun hours
5.4 / 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 Colorado
At 5.4 peak sun hours a day, Colorado sits close to the national average. Each kilowatt delivers about 1,577 kWh a year.
Roof space is usually the binding constraint rather than budget. The 306 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 Colorado? →