Photo Record

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Photo # 1488p
Title 220,000 Volt Substation on Roof of Conowingo Power House
Description B&W photgraph of the powerhouse and substation of the Conowingo Dam. Back text reads "The Hydro-Electric Plant on the Susquehanna River at Conowingo, Maryland, which is part of the Philadelphia Electric Power Company System, is one of the largest water-power developments in the United States. The dam, almost a mile across and surmounted by a highway bridge 20 feet wide, forms a lake fourteen miles long. The initial installation is 378,000 H.P. which will eventually be increased to 594,000 H.P. A 220,000 volt transmission line carries current to Philadelphia. Work was started March 8, 1926 and the first units were put into operation March 1, 1928."
Object Name Postcard
Collection Historical Society of Harford County Postcard Collection
Print size 3 1/2" x 5"
Photographer Unknown
Catalog Number 2011.3.1241
Copyright Information and images are the property of The Historical Society of Harf ord County , Inc. No reproduction, use or publication of images or information may be used without written permission of The Historical Society of Harf ord County , Inc.
Subjects Postcard
Conowingo Dam
powerhouse
Susquehanna River