Osborne
Cogeneration Plant
The Osborne plant located near Adelaide is Australia's largest cogeneration facility. The 180-megawatt project, a joint venture between ATCO Power and
Origin Energy of Australia, was commissioned in 1998.
Penrice Soda Products, Australia's sole producer of soda ash, purchases up to 1.2-million tonnes of steam each year from the plant. Under a long-term agreement with NRG Flinders, Osborne provides about 10% of South Australia's electric energy.
ATCO Power managed the construction of the Osborne plant which incorporated many state-of the-art features. ATCO Power operates the Osborne plant which consists of a 120-megawatt gas turbine and a 60-megawatt steam turbine, fuelled by natural gas from South Australia's Cooper Basin.
The plant is over 50% more efficient than a conventional gas or coal-fired power station. This advanced technology reduces nitrous oxide emissions by at least 80% and carbon dioxide emissions by 35 to 50% over that of conventional power stations.
Further Documents
Press Release
Thursday, February 18, 1999
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Capacity
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- 180 megawatts
- 410 tonnes/hr of steam
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Equipment
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- 120-MW GE-9EA gas turbine
- 60-MW GE steam turbine
- Heat recovery steam generator
- Two auxiliary gas-fired boilers
- Salt water cooling tower to process waste heat
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Highlights
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- Design flexibility allows the plant to operate in combined-cycle,
cogeneration and open-cycle modes
- Long-term steam supply agreement with Penrice Soda Products
- Long-term agreement with NRG Flinders to provide base power to South
Australia’s electric grid
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Commissioned
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Ownership
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- ATCO – 50% *
- Origin Energy – 50%
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| PDF Version for
printing |
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*ATCO Ownership is 80% ATCO Power Ltd. and 20% ATCO Ltd.
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