
Renewable energies remain on course for growth despite difficult market conditions
The electricity producer aventron produced around 15 per cent less renewable electricity in the 2025 financial year than in the previous year. Nevertheless, the company reported solid financial figures with net revenue of CHF 120.5 million and a net profit for the year of CHF 10.3

Takeover strengthens position in the European energy market
BKW is strengthening its position on the French energy market with the acquisition of Volterres SAS. The transaction serves to strengthen its position on the French energy market, which is a central component of the Solutions 2030 sustainability

Management change in the energy division of a large utility company
Vertina Investment Foundation is investing fresh capital in four new-build projects in the first quarter of 2026. Their completion will increase the total portfolio value of the Vertina Residential investment group from CHF 219 million to CHF 350 million within one

Canton of Nidwalden triples funding for energy-efficient building renovation
The canton of Nidwalden is significantly expanding its support for energy measures. The 2026 energy promotion programme provides for three times as much funding as in the previous year. With federal funds, the budget rises to a record high of 6.3 million Swiss

Solar power plant above Klosters commences partial operation
Madrisa Solar above Klosters Dorf has been connected to the grid with around 15 per cent of its planned output. This makes it the first Alpine solar power plant to feed electricity into the grid as part of the national solar express programme. The entire plant is scheduled for completion in autumn

Köniz tests power supply with 100 per cent renewable energy
The energy supplier BKW is testing new solutions for supplying electricity from renewable energies. To this end, the Bern-based company is conducting a pilot project in the Mittelhäusern district of the municipality of Köniz. The project will provide real-time data over three

Swiss start-up supports the development of digital energy communities
Exnaton is supporting SAP with its software solutions for energy sharing in setting up the SAP Energy Community in the SAP Energy Park. In future, the Zurich-based start-up will promote onboarding and engagement, the operation of energy trading and

New solar system supplies solar power for sports and leisure activities
The Basel-based electricity producer aventron has inaugurated a solar installation on the Lintharena in Näfels. It will generate 124 megawatt hours per year over an area of 660 square meters. Aventron aims to achieve a solar output of 100 megawatts by






Lake Zurich heats properties in the Riesbach neighbourhood
Energie 360° has put the Tiefenbrunnen energy network into operation. In the first stage, 80 properties in the Riesbach neighbourhood of Zurich will be heated using water from Lake Zurich. This figure is set to rise to around 400 properties in the final




Expansion of the district heating network in Kaiseraugst for a better heat supply
Energy supplier AEW begins construction work on the expansion of the Kaiseraugst heating network on 4 November. The first phase of the "Ast Dorf" project should be completed by Christmas, with the second phase starting in



Inauguration of a photovoltaic system at Limeco
The Limmattal regional utility Limeco has inaugurated a photovoltaic system with 624 solar panels on the roof of the wastewater treatment plant. This generates 252,000 kilowatt-hours of green electricity, primarily for the plant's own use and surpluses for the public

World’s largest electric melting furnace for stone wool in operation
The world's largest electric melting furnace for stone wool was commissioned in Flums. With this investment of over 100 million Swiss francs, Flumroc has taken a significant step towards decarbonization, reducing its CO2 emissions in stone melting by 80

Would you like a little more perovskite solar cells?
Two layers for more efficiency. Perovskite-based tandem solar cells can capture sunlight better than conventional silicon solar cells. In the laboratory, the light and flexible cells have already proven themselves – now Empa researchers are working on scaling them up and making them suitable for





