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Intersections: Sunny Days


By Mark Syvertson

The Bourse at Independence Mall recently installed a 43-kilowatt solar array on its roof, becoming one of the first historic buildings in the city to employ photovoltaics. Due to the Bourse’s landmark status, there were concerns about preserving the integrity of the structure. SolarDock, a green energy company from Wilmington, DE, installed the panels in non-permanent brackets, mounting them at a 25 degree angle (as opposed to the standard 10), taking maximum advantage of the sunlight in the heart of Old City.

For more on the project, visit

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