There are three types common in the residential market.
Per watt solar panel cost.
Kilowatts shouldn t be confused with kilowatt hours which is the metric to show you how much electricity your system produces.
The good news is that prices have dropped significantly declining 61 percent since 2010 according to nrel.
A standard 6 kw residential solar system has dropped from 44 000 down to 15 200 over the past decade not including the federal solar tax credit.
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.
Each one has its own pros and cons from price to efficiency.
You don t have to choose between only two brands to get the best value solar cell or price per watt which is great news.
Therefore if the solar panel output is 250 watts that single panel might cost you 187 50.
There are many affordable solar panel and inverter types.
With labor and other factors solar panel installation costs a total of 2 50 to 3 50 per watt.
However if a homeowner is trying to buy one or two panels on their own for a small diy project they will likely pay closer to 1 per watt.
Solar panel price per kilowatt hour.
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.
Solar panel cost per watt is now only 2 50 in some states making a 6kw system only 10 500 after claiming the solar tax credit.
Solar shoppers in california massachusetts and everywhere in between saw low cost solar options for their homes.
Solar companies can typically get a single solar panel at a price of 0 75 per watt.
In california where the average system required is 4 23 kw solarreviews research data shows that the average solar panel installation cost as of jan 2020 is 2 78 per watt meaning the 4 23 kw system would be 11 753 before the solar tax credit and 8 701 after the federal tax credit.
This price will vary if a project requires special adders like ground mounting a main panel upgrade ev charger etc.