Article,

Solar-tracking PV plants in Navarra: A 10 MW assessment

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Progress in Photovoltaics: Research and Applications, (2009)
DOI: 10.1002/pip.893

Abstract

Currently, the know-how and experience concerning the behavior and reliability of large tracking photovoltaic (PV) plants is scarce. Information such as the availability rate is rarely known. Acciona Solar PV plants installed in Navarra (Spain) in the frame of the Spanish utility grid constitute a representative source of information. The scope of this study is to analyze in detail the behavior along 2006 of six of these plants, located in Arguedas (two plants of a rated nominal power of 940 kWp and 2,1 MWp, respectively), Sesma (1,12 MWp), Cintruénigo (1,44 MWp), Rada (1,78MWp), and Castejón (2,64MWp). In our analysis, the influence of each type of energy loss affecting the plants has been quantified; and the advantages of dedicating human resources to the surveillance and maintenance of a limited number of generators have been stated. Thanks to the work of the operators, the plants registered mean availability rates above 99,7%.

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