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1337 Assembly Street

Former Columbia Electric Street Railway, Light & Power Company Building

Designed by W.B. Whaley Smith and completed in 1900, this Richardsonian Romanesque style building was a hallmark of modernity for Columbia. Through two state-of-the-art rotary converters, designed by Charles Steinmetz, this transformer station switched alternating current to direct current for use by businesses, homes and trolleys. Rehabilitated into office space, the structure remains an architecturally notable property today.

  • Former Columbia Electric Street Railway, Light & Power Company Building

    Former Columbia Electric Street Railway, Light & Power Company Building, 2018. Historic Columbia collection

34.0030975, -81.036778

NTHP Preservation Award Winner
Historic Columbia

© 2025 Historic Columbia

Administrative Offices
1601 Richland Street
Columbia, SC 29201

Tours
All historic house and garden tours start at the Welcome Center at Robert Mills.
1616 Blanding Street
Columbia, SC 29201

Questions? Call (803) 252-7742.

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