Partial solar eclipse reduces PV output by four gigawatts

Sonnenfinsternis
© Wikimedia Creative Commons CC-BY-SA

On Saturday (March 29), a partial solar eclipse took place over Germany between 11 am and 1 pm. According to the transmission system operator TransnetBW, electricity generation from photovoltaic systems fell by around four gigawatts during this time. The reason for the low impact of the partial solar eclipse was the cloudy weather conditions in many places. If the sky had been clear, it would have been around seven gigawatts, according to TransnetBW.

According to TransnetBW, the security of electricity supply in the German grid control network was not affected by the solar eclipse. The transmission system operators and direct marketers only marketed the reduced quantities based on the forecasts. Deviations from the forecast values were compensated for during the solar eclipse through the use of balancing power. According to TransnetBW, there were no unusual deviations during the natural event this year.

During the solar eclipse in 2022, the feed-in from photovoltaic systems fell by around 5.2 GW. By comparison, the PV capacity currently installed in Germany is around 103 gigawatts.

© PHOTON

TransnetBW
Press release

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