The cost per watt installed in the united states varies significantly by state customer type and system size with median prices ranging from 3 2 w to 4 5 w according to berkeley lab s tracking the sun report.
Cost of 1 watt solar panel.
For those looking for a range for the cost of panels it will run from as low as 0 85 per watt to 1 25 per watt with output ranging from 150w to 350w for a typical solar panel.
It is unlikely that we will see steep or sudden falls in pricing again because at the wholesale level individual solar panels are now only in the range of 0 40 per watt to 1 10 per watt depending on the quality of the brand of solar panel.
Solar systems have ratings based on the electricity produced annually in average conditions.
Solar panel cost per watt residential solar panels cost 2 53 to 3 15 per watt with most homeowners spending 2 70 per watt on average before any tax credits or incentives.
If those numbers seem low remember that an installation has added costs thanks to the inverters solar batteries and other additional equipment needed for a complete solar energy system.
Commercial solar costs 1 83 per watt on average.
With labor and other factors solar panel installation costs a total of 2 50 to 3 50 per watt.
Solar panel cost per watt example three dollars per watt 3 w means that for a 5 kilowatt system a common solar system size the gross system cost will be 15 000.
There are three types common in the residential market.
The good news is that prices have dropped significantly declining 61 percent since 2010 according to nrel.