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New gas-fired power for Australia, Israel, Russia and Nigeria Australia’s ...

New gas-fired power for Australia, Israel, Russia and Nigeria Australia’s largest combined-cycle gas turbine (CCGT) power station (pictured) is operational in Queensland. GE Energy and CH2M HILL served as the engineers, and procurement and construction contractors for Origin Energy’s 630 MW Darling Downs Power Station. The developers say that the station significantly reduces water usage in a drought-prone region and reduces greenhouse gas emissions relative to equivalent coal-fired generation. The station is fuelled with coal seam methane gas and utilises an air-cooled condenser as the primary cooling system. The result relative to equivalent coal-fired plants is a saving of more than 2mn tonnes of greenhouse gas emissions annually. The design optimises the air-cooled condenser and includes a water treatment system using waste heat for recycling of plant waste water. This results in a demand of 97% less water than a typical water-cooled, coal-fired power station, says GE. An 800MWpower plant is to be built in Israel, following an $875mn engineering, procurement and construction contract from Dorad Energy to Wood Group GTS. The natural gas-fired plant is expected to be online within 36 months and, when completed, will represent approximately 8% of Israel’s total installed power generation capacity. The CCGT plant will utilise 12 natural gas-fired turbines connected to a heat recovery steam generator that will provide steam to run two steam turbines. ‘The landmark Dorad Power Plant will be one of the first major operational independent power producers following Israel’s deregulation of electricity markets,’ said Mark Papworth, CEO of Wood Group GTS. To Russia, where a new CCGT plant with a capacity of 400 MW has been commissioned at Shatura, about 150 km east of Moscow. The project has been recognised by the UN as the first Russian Joint Implementation project under the Kyoto mechanism, and is expected to cut emissions by around one million tonnes by the end of 2012. E.ON says it is building projects at three further sites in Russia as part of its investment program totalling €2.3bn. The company plans to increase its power station capacities in Russia by 2.4 GW to reach a total of 11 GW. E.ON will also seek to gain recognition of its Joint Implementation projects for the three other CCGT plants currently under construction, two in Surgut and one in Yaiva. Elsewhere, in southwestern Nigeria, four GE gas turbines will be added to the Omotosho Phase 2 Power Plant in the Ondo State to bring an extra 500 MW of power to Nigeria’s grid. The project is aimed to assist Nigeria in delivering on the country’s quest for alleviating power shortages and reducing the number of blackouts. GE will provide four Frame 9E gas turbines, generators, accessories, technical assistance and training to the engineering, procurement and construction contractor for the project, China Machinery & Equipment Company (CMEC). The new plant, owned and operated by the Power Holding Company of Nigeria, should enter commercial service in 2013. The government of Nigeria has set a target to add 35 GW of new electricity generation capacity over the next 10 years, to support the country’s rapid development.

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