Switzerland has achieved a remarkable milestone with more than 98% of its electricity coming from low-carbon energy sources in 2025. A substantial portion of this is attributed to hydropower, which makes up more than half of the country's electricity generation. Nuclear power further strengthens this clean energy profile, providing over a quarter of the electricity. Solar energy contributes another significant portion, supplying more than one-tenth of the electricity, while biofuels round out the low-carbon mix with a modest share. Fossil fuel-based electricity, in contrast, accounts for a mere fraction, at less than 2%. This almost-complete reliance on clean electricity underscores Switzerland's commitment to environmental sustainability and highlights its potential to further electrify other sectors, such as transport, heating, and industry, which will require an even more robust electricity grid.
Data sources used on this page include IEA and World Bank. More about data sources →
Is Electricity Growing in Switzerland?
Despite this extraordinary achievement in low-carbon electricity generation, total electricity consumption in Switzerland stands at 7450 kWh per person as of 2025, a noticeable reduction from the peak consumption recorded in 2001 of 10024 kWh per person. This decline of nearly 2600 kWh per person reflects a broader trend of efficiency and possibly a transition in energy usage patterns. Low-carbon electricity generation specifically has also seen a decrease, with current levels at 7304 kWh per person compared to the previous high of 9647 kWh per person in 2001, marking a drop of over 2300 kWh per person. These figures indicate an urgent need to boost electricity production, particularly from clean sources, to not only meet current needs but also to accommodate future growth driven by increased electrification.
Suggestions
To enhance its low-carbon electricity generation capacity, Switzerland should focus on expanding nuclear and solar power, both of which are already cornerstones of its electricity supply. The existing nuclear infrastructure provides a consistent and reliable source of clean energy, which could be further enhanced with newer, more efficient technologies. Solar energy, too, offers vast potential due to its scalability and the country's increasing expertise in this area. Investing in these technologies will not only meet the demand for more electricity but will also support Switzerland's sustainable development goals and reduce reliance on fossil fuels, combating climate change and decreasing air pollution.
History
Historically, Switzerland's path to achieving its current level of low-carbon electricity generation has seen both challenges and growth. The 1980s marked a period of volatility with significant reductions in hydropower, particularly in 1984 and 1989, yet this was counterbalanced by a considerable boost in nuclear power in 1985. The 1990s and early 2000s exhibited fluctuations in hydropower generation with notable declines, but also positive rebounds, particularly towards the end of the decade. The 2010s experienced continued hydropower growth, especially in 2012, and notable nuclear contributions in 2006 and 2018. However, the recent history leading up to 2025 has been concerning, with declines in both hydropower and nuclear in 2025, reflecting the urgent need for strategic investments to prevent future downturns and ensure a steady supply of clean electricity. These expansions are crucial to sustaining Switzerland's electricity needs and its commitment to a cleaner, greener future.
