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Futur Energy.- Morocco is poised to make history soon, once the first phase of one of the world’s largest CSP plants starts generating electricity. When fully operational, the Ouarzazate solar complex will produce enough energy for more than one million Moroccans, with a possible surplus to export to Europe. The complex will moreover reduce Morocco’s fossil fuel dependence by 2.5 million tonnes of oil. Located on the edge of the Sahara desert, some 7 km from the Moroccan city after which it is named, the Ouarzazate solar complex is putting Morocco on the map as a solar superpower. Photo courtesy of SENER.
The Ouarzazate complex comprising the Noor I, II and III plants, is being built and will be operated, as a public-private partnership. The private partner for the development of Noor I was selected through a competitive bidding process with the contract awarded in September 2012 to a consortium headed up by ACWA Power in which Spanish companies Sener Ingeriería y Sistemas, Acciona, TSK and Aries are taking part. The first three are EPC contractors while Aries acts as site engineer. Construction works started in summer 2013, and the plant will shortly enter into commercial operation. In January 2015 the result of the bidding process for phases II and III were announced, awarded to the consortium made up of ACWA Power and Sener.
The complex is made up of four plants, three of which are equipped with CSP technology and the fourth with PV technology. Noor I, (160 MWe) is equipped with SENERtrough® cylinder parabolic trough collectors. The 200 MWe Noor II however will be installed with second generation Sener collectors – the SENERtrough®-2 system. Lastly, the 150 MWe Noor III will use the configuration of a central tower with a salts receiver, a solution applied by Sener at the Gemasolar plant in Seville, and as such represents the natural evolution of this state-of-the-art facility. In every case, the plants incorporate a molten salts storage system that enables electricity to be produced when there is no solar irradiation.
At his plant, the boilers have been equipped with diesel burners supplied by E&M Combustion with a 40 MW output. The diesel burners are designed to work with pre-heated air at 200º C and also to achieve very limited levels of NOx emissions. In addition to diesel burners, a Flue Gas Recirculation (F.G.R.) system is used as the method to achieve greater reduction in contaminant emissions.