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Solar tracking photovoltaic (PV) technology is suitable for areas with medium to intense sunlight. Solar PV is reliable, with years of proven operation and more than 7 GW installed worldwide. Tracking PV systems are used in many areas because of their distributed energy potential and low maintenance costs. Concentrated PV is based on the same concept as regular PV, but optics are used to concentrate solar energy and reduce the amount of PV cells needed.
Abengoa Solar is involved with every stage of PV technology, including development, construction and operation.
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Concentration PV plants |
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The technology that Abengoa Solar installs with its concentrated PV systems, Sevilla PV, is proprietary.
Concentrated PV plants use optic elements to concentrate sunlight onto PV cells. Since concentration greatly reduces the amount of solar cells needed, more expensive semiconductors like GaAs or high efficiency Si are used to maximize performance.
Low concentration PV plants often use mirrors to concentrate solar radiation onto a PV cell. Abengoa Solar often uses high efficiency Si in their low concentration PV installations. High concentration PV plants use lenses to concentrate solar radiation up to 500 times. Since this also leads to fewer PV cells needed, more expensive and higher performance semiconductors like GaAs are often used.
Abengoa Solar invests heavily in the R&D of new photovoltaic materials and designs. Abengoa Solar's research groups collaborate with institutions and research centers to improve concentration, thin film and conventional silicon technology. The PV laboratory assesses the performance of different PV technologies.
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