Westphal & Company
16installations on record
$1.91median price per watt
Residential SolarCommercial Solar
Installation Statistics
16
Quotes in Database
184.7 kW
Avg System Size
$336,115
Avg Total Price
Solar Price per Watt
$2.13/W
Average
$1.91/W
Median
Top ZIP Codes
Recent Installations
LocationSystemPrice$/W · $/kWhDate
Lake Mills, WI 535514 kW$9,118$2.28/WSep 26, 2025Milwaukee, WI 5322775.4 kW$541,675—Dec 4, 2024Stoughton, WI 535891186.3 kW$1,848,062$1.56/WOct 26, 2024Prairie Du Sac, WI 5357899.9 kW$274,554$2.75/WOct 2, 2024Madison, WI 5370350.5 kW$139,000$2.75/WAug 23, 2024Waunakee, WI 53597387.4 kW$702,045$1.81/WAug 16, 2024Madison, WI 5371499.8 kW$190,648$1.91/WAug 2, 2024Madison, WI 5371445.1 kW$86,158$1.91/WJul 25, 2024Waunakee, WI 53597276 kW$498,982$1.81/WJul 12, 2024Madison, WI 5371450.4 kW$15,942—Jun 27, 2024Madison, WI 5371367.5 kW$172,000$2.55/WDec 19, 2023Oxford, WI 539524 kW$11,800$2.99/WDec 11, 2023Baraboo, WI 53913168.5 kW$296,546$1.76/WMar 21, 2023Baraboo, WI 53913121.7 kW$216,175$1.78/WFeb 7, 2023Sun Prairie, WI 53590284.8 kW$315,278$1.11/WDec 14, 2021Waunakee, WI 5359733.6 kW$59,861$1.78/WJan 13, 2021