Substation 7

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Substation 7
U.S. National Register of Historic Places


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Location	1782 Third Avenue, New York, New York
Coordinates	40°47′14″N 73°56′54″W / 40.7872°N 73.9484°W / 40.7872; -73.9484
Area	less than one acre
Built	1902 (1902)
Architectural style	Beaux Arts
MPS	New York City Subway System MPS
NRHP reference No.	06000027^[1]
Added to NRHP	February 9, 2006

Substation 7 is a traction substation located at 1782 Third Avenue at 99th Street in the East Harlem neighborhood of Manhattan. The Manhattan Railway Company built it next to the Third Avenue El's 99th Street station to electrify the Second, Third and Ninth Avenue elevated lines. It served as a power source for the IRT Lexington Avenue Line from 1918 until the 1970s.^[2] It originally converted 25 Hz AC power from the 74th Street power station, to DC for the electric motors.^[3] The substation is owned by the MTA and it is listed on the National Register of Historic Places.^[4]

References

↑ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
↑ Pollak, Michael (September 20, 2013). "Answers to Questions About New York". The New York Times. Retrieved October 1, 2013.
↑ Moffett, Mia (June 12, 2012). "Construction of the 74th Street Power Station". Museum of the City of New York. Retrieved March 6, 2014.
↑ Kathleen A. Howe (March 2004). National Register of Historic Places Registration: New York MPS Substation 7. National Archives and Records Administration. Retrieved November 11, 2025. (Downloading may be slow.)

New York City Subway

Current
services

Shuttles	42nd Street Franklin Avenue Rockaway Park
Planned

Defunct
services

1985–present
Pre-1985	8 9 (Dyre Avenue) AA BB CC EE (Eighth Avenue) EE (Broadway) GG HH (Court Street) JJ K (Jamaica) KK LL MJ NX QB QJ QT RJ RR T TT
Shuttles	Bowling Green Broadway/63rd Street Culver Grand Street Nassau Street Polo Grounds Sixth Avenue/63rd Street
BMT numbers	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Brooklyn Loops East New York Loop
Unused labels	Unused New York City Subway service labels

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Strikes	1966 1980 2005
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Other major incidents	1965 killing 1984 shooting 2000 lawsuit 2017 bombing 2020 fire 2022 killing 2022 attack 2023 killing 2024 killing

Infrastructure

Accessibility
58 Joralemon Street
Fulton Center
- Corbin Building
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Power stations
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- IRT
Substations
- 7
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- 401
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National Register of Historic Places in Manhattan

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Substations	Dyckman-Hillside Substation Substation 7 Substation 219 Strecker Memorial Laboratory
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Columbus Monument Croton Aqueduct Gate House Giuseppe Verdi Monument Space Shuttle Enterprise

Former
Florence Mills House

See also: National Register of Historic Places listings in Manhattan (Islands, Below 14th St., 14th–59th Sts., 59th–110th Sts., Above 110th St.) and List of National Historic Landmarks in New York City
Note: National Historic Landmarks are not listed separately.

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