Occum Hydroelectric Plant and Dam - Norwich CT
Posted by: 
nomadwillie
N 41° 35.780 W 072° 02.996
18T E 745868 N 4609163
The dam dates to 1865, was intended for providing water power down stream for mills in the area. In 1932 the dam was purchased by Norwich and reconfigured for electrical power generation.
Waymark Code: WMVW37
Location: Connecticut, United States
Date Posted: 06/01/2017
Views: 0
The dam dates to 1865, was intended for providing water power down stream for mills in the area. In 1932 the dam was purchased by Norwich and reconfigured for electrical power generation.
The dam is built of large irregular blocks of granite, which measures 14 feet high, 12 feet wide at the base and 6 feet wide at the top of the dam. The dam was heavily damaged in the 1938 hurricane, resulting in reconstruction of the eastern portion with reinforced concrete.
There is a brick powerhouse on site. The interior space of the powerhouse is filled with a single vertical shaft three phase 4,000 volt, 8oo kw generator made by the Electric Machinery Manufacturing Company. It was constructed in 1934. The powerhouse served main functions: shelter for the controls and generators and support for the bridge crane used to lift the units up for service.
The dam and plant are listed in the National Register of Historic Places.
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