Tallawarra Power Station
| Tallawarra Power Station | |
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 Location of the Tallawarra Power Station in New South Wales
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| Country | Australia |
| Location | Yallah, western shore of Lake Illawarra, Shellharbour |
| Coordinates | 34°31′22″S 150°48′29″E / 34.52278°S 150.80806°ECoordinates: 34°31′22″S 150°48′29″E / 34.52278°S 150.80806°E |
| Status | Operational |
| Commission date | 2009 |
| Owner(s) | EnergyAustralia |
| Thermal power station | |
| Primary fuel | Natural gas |
| Combined cycle? | yes |
| Power generation | |
| Units operational |
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| Make and model | Alstom |
| Nameplate capacity | 435 megawatts (583,000 hp) |
Tallawarra Power Station is a 435-megawatt (583,000 hp) combined cycle natural gas power station in the city of Shellharbour, New South Wales, Australia. Owned and operated by EnergyAustralia, the station is the first of its type in New South Wales and produces electricity for the state during periods of high demand. It is located on the western shore of Lake Illawarra in the suburb of Yallah.
The station comprises a 260-megawatt (350,000 hp) gas turbine and a 160-megawatt (210,000 hp) steam turbine unit and has a total capacity of 435 megawatts (583,000 hp). It uses many of the previous power station's structures including the cooling system channels from Lake Illawarra. The power station is connected to the state grid via a 132-kiloelectronvolt (21.1 fJ) switching station maintained by Integral Energy.
TRUenergy has also indicated that an additional power plant is being considered for the site, to be known as Tallawarra B.
Tallawarra originally operated as a coal-fired power station beginning in 1954 and reaching full operation by 1961. At its peak, it had a capacity output of 320 megawatts (430,000 hp). 'A' station had four 30-megawatt (40,000 hp) Thomson-Houston 2 stage (HP+LP) turbo generators. Steam was supplied by four Simon Carves pulverised fuel boilers at 140,000 kg/h (300,000 lb/h) at a pressure of 4.31 MPa (625 psi) and a temperature of 463 °C (865 °F). In 1960 "B" station was built having two 100-megawatt (130,000 hp) English Electric 3-stage turbo generators (No. 5+6). The generators were hydrogen-cooled but didn't have any stator water cooling. Steam was supplied by 2 ICAL pulverised coal burning boilers at a rate of 360,000 kg/h (800,000 lb/h) at a pressure of 11.6 MPa (1,680 psi) and a temperature of 538 °C (1,000 °F). The station closed in 1989, and stood abandoned by the foreshore of Lake Illawarra. It was demolished over a ten-year period.
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