Solar power is revolutionising the electricity supply

08.07.2025 PerspectivE
It is quite easy to connect a few PV systems to the electricity grid. However, if solar power accounts for more than 15-20% of annual consumption, measures such as line reinforcement and transformer replacement are no longer sufficient. Switzerland will achieve a 14% share of solar power this year. These are the challenges and proposed solutions.
Power grid Power production Power market
Guest author
Christof Bucher
Professor of Photovoltaic Systems at Bern University of Applied Sciences (BFH)
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