Unlisted Philadelphia: Substation #7

 

Editor’s Note: A version of this story was published in the fourth issue of Extant, a publication of the Preservation Alliance for Greater Philadelphia.

Unlisted Philadelphia highlights interesting and significant Philadelphia buildings not yet listed on the Philadelphia Register of Historic Places. To learn more about the local designation process and how you can participate in nominating a building to the Philadelphia Register, visit the Preservation Alliance for Greater Philadelphia’s website for more information.

BUILDING: Substation #7

LOCATION: 408-10 S. Juniper Street

ARCHITECT: Department of City Transit

YEAR: 1929

Construction on the Broad Street Subway began in 1924, and four years later the first trains began running between Olney and City Hall. Southward expansion occurred in fits and starts, reaching South Street in 1930, Snyder Avenue in 1938, and Pattison Avenue in 1973. This helps explain why Substation #7, designed by an unknown staff architect in the Department of City Transit in 1929 for the subway’s first expansion, is such an anomaly: a lavish Art Deco jewel box adorned with spiraling ferns, frozen fountains, and a gilded eagle. Substations house electrical equipment that converts high-voltage electricity from large power plants into lower voltages suitable for neighborhood distribution; PECO, the City of Philadelphia, and various trolley companies all designed and built their own substation networks, each with their own recognizable styles. Substation #7 is by far the most ornate of the many substations scattered across Philadelphia, built during a brief window when the popularity of Art Deco coincided with municipal coffers flush enough to afford it.

About the author

Ben Leech is a preservationist, architectural historian and illustrator based in Philadelphia and Lancaster, PA. Follow him on Instagram @bentleech and support his capitalist alter-ego at Archivolt Press



2 Comments


  1. Is SEPTA going to renovate the substation with newer components to replace 80 year old components still in use? If so, then something can be done to give TLC to the art deco elements on the substation.

  2. Great building, but how about a real photograph of it, not merely a grim, fun-house-mirror, watercolor of it?

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