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Tumut Hydroelectric Power Station
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Tumut Hydroelectric Power Station
The Tumut Hydroelectric Power Stations (/ˈtjuːmət/) is a series of three hydroelectric power stations on the Tumut River in New South Wales, Australia, that are part of the Snowy Mountains Scheme.
The generating assets of the three Tumut power stations are owned by Snowy Hydro Limited, a company whose shareholders include the governments of Australia, New South Wales, and Victoria. The company is also licensed to manage the water rights used by the power stations.
Located downstream of Tumut Pond Dam and 366 metres (1,201 ft) below ground level, Tumut 1 Power Station is situated approximately 2.25 kilometres (1.40 mi) south-west from Cabramurra, under Happy Valley Rd. A Lift & Ventilation Shaft is on Happy Valley Rd.
The conventional hydroelectric power station has four turbine generators, with a combined generating capacity of 330 megawatts (440,000 hp) of electricity; and a net generation of 847 gigawatt-hours (3,050 TJ) per annum. The power station was completed in 1959, and has 292.6 metres (960 ft) rated head.
The first 330 kV transmission lines were commissioned in New South Wales at the Tumut 1 Power Station during the 1950s. These cables were manufactured in England and linked to the underground transformers at Tumut 1, and connected with the transmission line. The lines carried power to Sydney where new sub-stations were established, to handle the upgrade from 132 kV transmission lines. This innovative plan, which faced significant scepticism initially, was considered to be at the forefront of technology which challenged designers and overseas manufacturers. Extra high voltage was in its infancy in the early 1950s. The lines were subject to a 1000 kV test on the cables prior to them going into service. These cables and the transmission system have been in service for over 50 years.
The original transformer at Tumut 1 weighed 81.2 tonnes (89.5 short tons); and each assembled generator rotor is in excess of 203 tonnes (224 short tons) necessitating delivery in component pieces and assembly on site.
The station is connected to the National Electricity Market via the 330 kV Upper Tumut Switching Station, 2.75 kilometres (1.71 mi) North of Cabramurra.
The Upper Tumut Works is sometimes used as a colloquial term to refer to both Tumut 1 and Tumut 2 Underground Power Stations as well as their respective dams, tunnels and the Upper Tumut Switching Station.
Tumut 2 Power Station is situated approximately 5.91 kilometres (3.67 mi) north of north-west from Cabramurra, under Goat Ridge Rd, some 244 metres (801 ft) below ground level.
The conventional hydroelectric power station has four Francis turbine generators, with a combined generating capacity of 286.4 megawatts (384,100 hp) and a net generation of 787 gigawatt-hours (2,830 TJ) per annum. The power station was completed in 1962, and has 262.1 metres (860 ft) rated head. Water flows through the turbines at the rate of 118.9 cubic metres per second (4,200 cu ft/s).
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Tumut Hydroelectric Power Station
The Tumut Hydroelectric Power Stations (/ˈtjuːmət/) is a series of three hydroelectric power stations on the Tumut River in New South Wales, Australia, that are part of the Snowy Mountains Scheme.
The generating assets of the three Tumut power stations are owned by Snowy Hydro Limited, a company whose shareholders include the governments of Australia, New South Wales, and Victoria. The company is also licensed to manage the water rights used by the power stations.
Located downstream of Tumut Pond Dam and 366 metres (1,201 ft) below ground level, Tumut 1 Power Station is situated approximately 2.25 kilometres (1.40 mi) south-west from Cabramurra, under Happy Valley Rd. A Lift & Ventilation Shaft is on Happy Valley Rd.
The conventional hydroelectric power station has four turbine generators, with a combined generating capacity of 330 megawatts (440,000 hp) of electricity; and a net generation of 847 gigawatt-hours (3,050 TJ) per annum. The power station was completed in 1959, and has 292.6 metres (960 ft) rated head.
The first 330 kV transmission lines were commissioned in New South Wales at the Tumut 1 Power Station during the 1950s. These cables were manufactured in England and linked to the underground transformers at Tumut 1, and connected with the transmission line. The lines carried power to Sydney where new sub-stations were established, to handle the upgrade from 132 kV transmission lines. This innovative plan, which faced significant scepticism initially, was considered to be at the forefront of technology which challenged designers and overseas manufacturers. Extra high voltage was in its infancy in the early 1950s. The lines were subject to a 1000 kV test on the cables prior to them going into service. These cables and the transmission system have been in service for over 50 years.
The original transformer at Tumut 1 weighed 81.2 tonnes (89.5 short tons); and each assembled generator rotor is in excess of 203 tonnes (224 short tons) necessitating delivery in component pieces and assembly on site.
The station is connected to the National Electricity Market via the 330 kV Upper Tumut Switching Station, 2.75 kilometres (1.71 mi) North of Cabramurra.
The Upper Tumut Works is sometimes used as a colloquial term to refer to both Tumut 1 and Tumut 2 Underground Power Stations as well as their respective dams, tunnels and the Upper Tumut Switching Station.
Tumut 2 Power Station is situated approximately 5.91 kilometres (3.67 mi) north of north-west from Cabramurra, under Goat Ridge Rd, some 244 metres (801 ft) below ground level.
The conventional hydroelectric power station has four Francis turbine generators, with a combined generating capacity of 286.4 megawatts (384,100 hp) and a net generation of 787 gigawatt-hours (2,830 TJ) per annum. The power station was completed in 1962, and has 262.1 metres (860 ft) rated head. Water flows through the turbines at the rate of 118.9 cubic metres per second (4,200 cu ft/s).
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