What was permitted
A residential solar panel system is being installed on the steep roof of the principal building at 4159 N Mason Ave in Chicago's Portage Park neighborhood. The project includes an inverter output of 8.7 KW and an array output of 10.12 KW.
Issued on July 13, 2026, this permit has an ACTIVE status and a reported project cost of $28,040. Windfree Wind + Solar Energy Design Company is the installer for this renewable energy project.
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