Evaluation and improvement of empirical models of global solar irradiation: Case study northern Spain

F. Antonanzas-Torres, A. Sanz-Garcia, F.J. Martínez-de-Pisón and O. Perpiñán-Lamigueiro

Renewable Energy, 2013, vol. 60, issue C, 604-614

Abstract: This paper presents a new methodology to build parametric models to estimate global solar irradiation adjusted to specific on-site characteristics based on the evaluation of variable importance. Thus, those variables highly correlated to solar irradiation on a site are implemented in the model and therefore, different models might be proposed under different climates. This methodology is applied in a study case in La Rioja region (northern Spain). A new model is proposed and evaluated on stability and accuracy against a review of twenty-two already existing parametric models based on temperatures and rainfall in seventeen meteorological stations in La Rioja. The methodology of model evaluation is based on bootstrapping, which leads to achieve a high level of confidence in model calibration and validation from short time series (in this case five years, from 2007 to 2011).

Keywords: Solar global irradiation; Empirical models; Time series; Evapotranspiration (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:60:y:2013:i:c:p:604-614

DOI: 10.1016/j.renene.2013.06.008

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