Menihek Lakes

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Menihek Lakes
Menihek Generating Station
Power station building from the outside
Power station building from the outside
Location: Labrador in Newfoundland and Labrador (Canada)
Tributaries: Ashuanipi River , McPhadyen River
Drain: Ashuanipi River
Menihek Lakes (Newfoundland and Labrador)
Menihek Lakes
Coordinates 54 ° 6 ′ 36 ″  N , 66 ° 30 ′ 30 ″  W Coordinates: 54 ° 6 ′ 36 ″  N , 66 ° 30 ′ 30 ″  W
Data on the structure
Lock type: Concrete dam wall
Construction time: 1951-1954
Crown length: 228.6 m
Crown width: 6 m
Power plant output: 18.7 MW
Operator: Nalcor Energy
Data on the reservoir
Altitude (at congestion destination ) 485  m
Water surface 277 km²
Reservoir length 112 km
Reservoir width 6.7 km
Total storage space : 423.8 million m³
Catchment area 19th 166  km²
Design flood : 4th 248  m³ / s
Menihek Powerhouse Interior.jpg
Power plant house from the inside

The Menihek Lakes form a flow-regulated body of water in the central east of the Labrador Peninsula in the Canadian province of Newfoundland and Labrador . The reservoir and hydroelectric power station were built between 1951 and 1954. The plant was operated by the Iron Ore Company of Canada (IOC) until 2007 . Since then, the plant has been operated by Nalcor Energy .

Barrier structure and reservoir

The Menihek Lakes are traversed by the Ashuanipi River . At the site of the Menihek Rapids , a 228.6 m long concrete barrier was erected. The mean discharge at this point is 395 m³ / s. The upstream catchment area has an area of ​​19,166 km². The main tributaries of the Menihek Lakes are the Ashuanipi River and the McPhadyen River . The reservoir covers an area of ​​277 km². It measures 112 km in north-south direction. The maximum width is 6.7 km. The target is 485  m . The usable storage volume is 423.8 million cubic meters. The flood relief is designed for a discharge of 4248 m³ / s. Downstream is the Smallwood Reservoir, built between 1967 and 1971 .

power plant

The power station building ( ) is designed for four turbine sets. In 1954, two turbines, each with an output of 4.4 MW and a head of 10.4 m, went into operation. In 1960 a third turbine was added with an output of 9.9 MW and a head of 12.2 m. The power plant thus has a total installed capacity of 18.7 MW. The annual energy production in 2013 was 45 GWh. Nalcor signed a 40-year contract with Hydro-Québec , which regulates the purchase of the electricity produced for their customers in the Schefferville region.

f1Georeferencing Map with all coordinates: OSM | WikiMap

Web links

Individual evidence

  1. a b c d e Annexe 2, Rapport Préliminaire - Volet 1 Projection de la Demande et Bilan énergétique (PDF, 3.6 MB) Hydro Québec. November 2001. Retrieved September 23, 2018.
  2. a b c d Menihek . Nalcor Energy. Retrieved September 23, 2018.