Switzerland Accelerates Solar Energy Expansion with Innovative Alpine Projects

Switzerland has achieved a major breakthrough in solar energy, with installed photovoltaic (PV) capacity exceeding 5 gigawatts (GW) in 2025—a 30% increase since 2023. The growth is driven by pioneering high-altitude solar farms, widespread rooftop adoption, and strong government support.

Alpine solar projects, such as the 2.3 MW Albula Pass installation, are setting new efficiency records due to enhanced sunlight reflection from snow and optimal cooling effects. Meanwhile, residential and commercial rooftop installations account for more than half of new capacity, supported by streamlined regulations and subsidies under Switzerland’s Energy Strategy 2050.

To address intermittency, nearly 40% of new solar systems now integrate battery storage. The Swiss government has also pledged additional funding to reach 10 GW by 2030, while local manufacturers like Meyer Burger ramp up production to strengthen energy independence.

However, challenges persist, including grid modernization delays and winter supply gaps. Experts emphasize the need for hybrid renewable solutions to ensure year-round reliability.

“Switzerland demonstrates how innovation can overcome geographical limits,” said Benoît Revaz, Director of the Swiss Federal Office of Energy. Solar now meets 8% of national electricity demand, marking a key step toward Switzerland’s 2050 net-zero goal.