The cost of solar varies from home to home. You should consider solar panels for your home if your utility bill is high and if you live in a state that can qualify you for tax breaks and other incentives. The cost of solar panels has become more affordable than ever. As of Dec 2021, the average cost of solar panels in Phoenix is $2.55 per watt making a typical 6000 watt (6 kW) solar system $11,311 after claiming the 26% federal solar tax credit now available. (Source: Solar Reviews)