Articles | Volume 16
https://doi.org/10.5194/asr-16-119-2019
https://doi.org/10.5194/asr-16-119-2019
02 Jul 2019
 | 02 Jul 2019

A climatological assessment of balancing effects and shortfall risks of photovoltaics and wind energy in Germany and Europe

Frank Kaspar, Michael Borsche, Uwe Pfeifroth, Jörg Trentmann, Jaqueline Drücke, and Paul Becker

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Cited articles

Bollmeyer, C., Keller, J. D., Ohlwein, C., Wahl, S., Crewell, S., Friederichs, P., Hense, A., Keune, J., Kneifel, S., Pscheidt, I., Redl, S., and Steinke, S.: Towards a high-resolution regional reanalysis for the European CORDEX domain, Q. J. Roy. Meteor. Soc., 141, 1–15, https://doi.org/10.1002/qj.2486, 2015. 
Borsche, M., Kaiser-Weiss, A. K., and Kaspar, F.: Wind speed variability between 10 and 116 m height from the regional reanalysis COSMO-REA6 compared to wind mast measurements over Northern Germany and the Netherlands, Adv. Sci. Res., 13, 151–161, https://doi.org/10.5194/asr-13-151-2016, 2016. 
Bundesministerium für Justiz und Verbraucherschutz: Gesetz für den Ausbau erneuerbarer Energien 2017, available at: https://www.gesetze-im-internet.de/eeg_2014/__1.html (last access: 25 May 2019), 2017. 
Child, M., Kemfert, C., Bogdanov, D., and Breyer, C.: Flexible electricity generation, grid exchange and storage for the transition to a 100 % renewable energy system in Europe, Renew. Energ., 139, 80–101, https://doi.org/10.1016/j.renene.2019.02.077, 2019. 
Collins, S., Deane, P., Gallachóir B. Ó., Pfenninger, S., and Staffell, I.: Impacts of Inter-annual Wind and Solar Variations on the European Power System, Joule, 2, 2076–2090, https://doi.org/10.1016/j.joule.2018.06.020, 2018. 
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Short summary
In this study, we assess balancing effects between photovoltaics and wind energy. On average, the seasonal cycles complement each other in Germany as well as in Europe. The frequency of events with a risk of low electricity generation is analyzed. The results illustrate that the number of such events is reduced when offshore regions are included, or when a combined system of PV and wind energy is considered. A European-wide analysis also leads to a distinct reduction of such events.