Sir Adam Beck Hydroelectric Generating Stations

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Sir Adam Beck Hydroelectric Generating Stations
Adam Beck Complex.jpg
The Adam Beck stations as seen from the air; the northern dam (nearest) is Adam Beck I and the southern is Adam Beck II.
Sir Adam Beck Hydroelectric Generating Stations
CountryCanada
Location Niagara Falls, Ontario
Coordinates 43°08′51″N79°02′41″W / 43.14750°N 79.04472°W / 43.14750; -79.04472
StatusOperational
Commission date Adam Beck I 1922,
Adam Beck II 1954
Official nameQueenston-Chippawa Hydro-Electric Development National Historic Site of Canada
Designated1990
Owner(s) Ontario Power Generation
Operator(s)
Power generation
Units operational26 (Adam Beck I 10,
Adam Beck II 16)
Nameplate capacity 1,962 MW [1]
External links
Website www.opg.com
Commons Related media on Commons

Sir Adam Beck Hydroelectric Generating Stations are two hydroelectric generating stations in Niagara Falls, Ontario, Canada. Sir Adam Beck Generating Station I, Sir Adam Beck Generating Station II and the Sir Adam Beck Pump Generating Station are all owned by Ontario Power Generation. Following the development of several smaller generating stations around Niagara Falls in the late 19th and early 20th centuries, the Province of Ontario authorized the construction of the first major publicly owned generating station in the province. [2] At the time it was built, it was the largest hydroelectric generating station in the world.

Contents

The stations divert water from the Niagara and Welland rivers above Niagara Falls which is then released into the lower portion of the Niagara River, and together produce up to 1,962 MW (2,631,000 hp).

Adam Beck I

Control room, 1944 Control room of the Queenston power generating plant.jpg
Control room, 1944

Adam Beck I contains 10 generators and first produced power in 1922. It was originally called the Queenston-Chippawa Hydroelectric Plant and was renamed after Adam Beck in 1950 on the twenty-fifth anniversary of his death. The water is diverted through the Chippawa-Queenston Power Canal from the Welland River.

As the first large-scale hydroelectric generation project in the world, Adam Beck I was designated a National Historic Site of Canada in 1990. [3]

Adam Beck II

The Chippawa-Queenston Power Canal in 1921; it was the first of three sources to provide water to the Generating Stations Queenston-Chippawa Power Canal near Niagara Falls, Ontario.jpg
The Chippawa-Queenston Power Canal in 1921; it was the first of three sources to provide water to the Generating Stations

Adam Beck II contains 16 generators and first produced power in 1954. The water was first diverted from the Niagara River by two five-mile (8 km) tunnels under the city of Niagara Falls, Ontario, that start above the falls. [4] A reservoir was created that permits the holding of water, diverted during the night, for use during the day.

Between 2007 and 2013, Adam Beck II underwent major civil engineering projects with the addition of a major underground water supply tunnel built by the Niagara Tunnel Project in order to improve its generation output. Water delivered by the major new tunnel complemented other upgrades to the Sir Adam Beck generating complex, resulting in a significant increase to the efficient use of the Niagara River's hydro power.

The project's new 12.7-metre (42 ft) diameter, 10.2 km (6.3 mi) long tunnel was officially placed into service on 21 March 2013, helping to increase the generating complex's nameplate capacity by 150 MW, able to provide the power for about 160,000 homes. [5] A CAD 60 million refurbishment of the Pump Generating Station reservoir, built in 1957, was started in 2016. [6]

The major 1965 Northeast Blackout of Ontario and several U.S. states occurred on 9 November, after maintenance personnel incorrectly set a protective relay on one of the transmission lines from the Sir Adam Beck Station No. II. The faulty relay later tripped open causing a major blackout created by a series of cascading failures which affected over 30 million people for up to 12 hours.

Water diversion

The open cut Chippawa-Queenston Power Canal diverts water from the Welland River to the stations. Upstream of the International Control Dam there are three tunnel intakes which run under Niagara Falls, Ontario, and surface 2 km (1.2 mi) upstream of the Sir Adam Beck Generating Stations. All three tunnel intakes are upstream of the Control Dam, however one of the three tunnels is unseen, under the water, located directly in front of the Control Dam, Control Tower. The open cut canal and the tunnel canal cross at the "Cross Over" where there is a third channel feeding the 174 MW pump generating station 43°08′40″N79°03′36″W / 43.14444°N 79.06000°W / 43.14444; -79.06000 (Sir Adam Beck Pump Generating Station) which pumps water up into the man-made reservoir at night and generates electricity during the day, feeding the water back to the Sir Adam Beck Generating Complex. [7]

The International Control Dam, operated by Ontario Power Generation, controls the water diversions from the Niagara River and dispatches the water between the New York Power Authority and Ontario Power Generation in accordance with the terms of the 1950 Niagara Treaty.

The Adam Beck dams are at the left, and the Robert Moses Station is on the right of the image Adam Beck and Robert Moses.jpg
The Adam Beck dams are at the left, and the Robert Moses Station is on the right of the image

This treaty, designed to ensure an "unbroken curtain of water" is flowing over the falls, states that during daylight time during the tourist season (1 April to 31 October) there must be 2,832 m3/s (100,000 cu ft/s) of water flowing over the falls, and during the night and off-tourist season there must be 1,416 m3/s (50,000 cu ft/s) of water flowing over the falls. This treaty is monitored by the International Niagara Board of Control.

See also

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References

  1. "Our story > OPG's Sir Adam Beck I hydro station celebrates a century of clean power - OPG". Ontario Power Generation. 29 August 2022. Archived from the original on 29 August 2022. Retrieved 31 July 2023.
  2. "Niagara Falls History of Power". Archived from the original on 23 May 2012. Retrieved 6 October 2016.
  3. "Queenston-Chippawa Hydro-Electric Development". National Historic Site of Canada. Retrieved 6 February 2016.
  4. "Niagara Power Goes Under Ground" Popular Mechanics , April 1952, p. 115.
  5. Niagara Tunnel Project Technical Facts, NiagaraFrontier.com website, updated November 2012.
  6. Cassell, Barry (8 June 2016). "Ontario Power Kicks Off C$60M Project to Rehab Pumped Storage Reservoir". Renewable Energy World. Retrieved 12 November 2022.
  7. "Sir Adam Beck Pump Generating Station". Ontario Power. Retrieved 3 October 2010.