Articles | Volume 16, issue 10
Research article
25 May 2016
Research article |  | 25 May 2016

Local short-term variability in solar irradiance

Gerald M. Lohmann, Adam H. Monahan, and Detlev Heinemann

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Cited articles

Arias-Castro, E., Kleissl, J., and Lave, M.: A Poisson model for anisotropic solar ramp rate correlations, Sol. Energy, 101, 192–202,, 2014.
Calif, R., Schmitt, F. G., Huang, Y., and Soubdhan, T.: Intermittency study of high frequency global solar radiation sequences under a tropical climate, Sol. Energy, 98, 349–365,, 2013.
Curtright, A. E. and Apt, J.: The character of power output from utility-scale photovoltaic systems, Prog. Photovoltaics, 16, 241–247,, 2008.
Devore, J.: Probability and Statistics for Engineering and the Sciences, Brooks/Cole, Cengage Learning, Boston, 2015.
Dyreson, A. R., Morgan, E. R., Monger, S. H., and Acker, T. L.: Modeling solar irradiance smoothing for large PV power plants using a 45-sensor network and the Wavelet Variability Model, Sol. Energy, 110, 482–495,, 2014.
Short summary
Increasing numbers of photovoltaic (PV) power systems call for the characterization of irradiance variability with very high spatiotemporal resolution. We use 1 Hz irradiance data recorded by as many as 99 pyranometers and show mixed sky conditions to differ substantially from clear and overcast skies. For example, the probabilities of strong fluctuations and their respective spatial autocorrelation structures are appreciably distinct under mixed conditions.
Final-revised paper