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Proceedings Paper

Fixed or tracking solar collectors? Helping the decision process with the Solar Resource Enhancement Factor
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Paper Abstract

The Solar Resource Enhancement Factor (SREF) method is proposed here to help solar system designers optimize their installations and decrease their risk. The method is based on solar radiation data from 239 sites in the United States to evaluate the variance in collected irradiation when using flat-plate and concentrating solar collectors (thermal or PV) mounted on fixed or tracking structures of various geometries. SREF can be predicted from readily available solar resource indicators and latitude for winter, summer or annual usage. An estimate of the year-to-year variability of the annual collected energy is also provided. The method should be accurate enough for use in most areas of the world.

Paper Details

Date Published: 11 September 2008
PDF: 11 pages
Proc. SPIE 7046, Optical Modeling and Measurements for Solar Energy Systems II, 70460D (11 September 2008); doi: 10.1117/12.795506
Show Author Affiliations
Christian A. Gueymard, Solar Consulting Services (United States)

Published in SPIE Proceedings Vol. 7046:
Optical Modeling and Measurements for Solar Energy Systems II
Benjamin K. Tsai, Editor(s)

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