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A1 Sun

Based on 15 recent solar installations, A1 Sun has an average installed system cost of $1.44 per watt. The cost of A1 Sun solar installations are typically about 77.4% lower than other solar companies active in the same areas.



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A1 Sun ranks #366 in installations and #1 in cost out of 796 solar companies in the United States.


Active in:
California: 15 installations at $1.44 per watt (77.4% lower than average)


Top cities:
Berkeley, CA: 6 installations at $1.22 per watt (77.4% lower than average)


Recent installations:
Oakland, CA: 7.2 kilowatt system installed for $1.19 per watt
Albany, CA: 3.4 kilowatt system installed for $1.17 per watt
Berkeley, CA: 3.6 kilowatt system installed for $1.28 per watt
Piedmont, CA: 5.7 kilowatt system installed for $1.28 per watt
El Cerrito, CA: 3.3 kilowatt system installed for $1.19 per watt
Oakland, CA: 3.2 kilowatt system installed for $4.40 per watt



Top solar companies most active in the United States include:
SolarCity, Vivint, Sunrun, Sungevity, Roof Diagnostics Solar & Electric
Get more information about top solar companies.


Solar companies with some of the lowest system costs include:
A1 Sun, Smart Energy Solar, Solar Vast, Zing Solar, Solar Service Center
Get more information about the best solar companies for low system costs.


Explore the cost of solar across the United States