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Evaluation of the Solar Energy Nowcasting System (SENSE) during a 12-Months Intensive Measurement Campaign in Athens, Greece

Dimitra Kouklaki

GHI by SENSE in respect to ground-based GHI measurements.
GHI by SENSE in respect to ground-based GHI measurements.

We present the evaluation of the spectrally integrated outputs of the SENSE system for solar irradiance nowcasting for the period of the ASPIRE campaign, including ground-based measurements from several instruments that were involved in the experimental campaign. The results revealed that global horizontal irradiance (GHI) estimations were more accurate than direct normal irradiance (DNI).

A dedicated assessment of the SENSE’s inputs in respect to the ground-based retrievals, considering cloud conditions, AOD, and precipitable water vapor indicates that the factor that established the larger errors was the visibility of the solar disc, which cannot be defined by the available sources of model inputs.

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Raptis, I.-P., Kazadzis, S., Fountoulakis, I., Papachristopoulou, K., Kouklaki, D., Psiloglou, B.E., Kazantzidis, A., Benetatos, C., Papadimitriou, N. and Eleftheratos, K.: Evaluation of the Solar Energy Nowcasting System (SENSE) during a 12-Months Intensive Measurement Campaign in Athens, Greece. Energies 2023, 16, 5361. https://doi.org/10.3390/en16145361.

Project publications are avalaible at:  ASPIRE Publications