Kiley Koscinski/WESA,

A 133,000-square-foot solar array is now functional at Hazelwood Green’s Mill 19. It’s a project that marries the story of Pittsburgh’s past with its future: bridge workers applied 4,784 solar panels to the frame of a former steel mill now home to robotics nonprofits and one of the several autonomous vehicle developers which call the city home.

Crews placed the final section of panels at the end of July. Wiring and testing have been completed, making the solar array fully functional. It’s the largest single sloped solar array in the United States.

photo credit: State Impact.

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