

Photovoltaic system on company roofs in Aarau
HKG Engineering AG wants to generate electricity on the roofs of its company buildings in future. Over the next six weeks, a photovoltaic system will be installed at the Aarau site, which will produce 93,000 kilowatt hours of electricity per year. With this step, the company wants to cover its own

Olten-Trimbach heating network starts after approval from the cantonal hospital
Aare Energie AG and Industrielle Werke Basel (IWB) are starting to realise the Hagmatt heating network. From 2027, the neighbours Olten and Trimbach should be able to draw 20 gigawatt hours of thermal energy from the groundwater every

Success for Suissetec in the EKS case
With a legally binding ruling by the Schaffhausen High Court, the building technology association Suissetec has achieved an important success in the fight for fair market conditions. Two former employees of Elektrizitätswerk des Kantons Schaffhausen were convicted of abusing monopoly rights for

Electricity prices to fall slightly in 2026
Households in Switzerland will pay an average of almost 4% less for electricity in the basic supply in 2026. The reduction is due to lower energy prices. At the same time, new tariff elements will be introduced and dynamic grid models will be enshrined in law in order to utilize the grids more

On the way to the AI revolution
Artificial intelligence is seen as the engine of the future. However, the enormous computing resources that large language and learning models require are increasingly raising questions about sustainability. In conversation with ETH computer science professor Ana Klimovic, it becomes clear that

Dielsdorf data centres to supply district heating for the region
The Green Metro-Campus Zurich, BRUGG Pipes and Energie 360° will use the waste heat from the data centre in Dielsdorf for district heating. The energy from the data centres will supply a total of 11,500 households from six municipalities, industry and commerce from

Fraunhofer ISE Testlab sets standard for inverters
Stable system operation is essential for the success of the energy transition. In the future, renewable power sources and storage systems will have to take on grid-forming properties. Fraunhofer ISE's new test procedure provides clarity in the market and accelerates the development of


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


Researchers are working on clean water for cities of the future
Researchers from Eawag and the University of Applied Sciences Northwestern Switzerland are participating in the EU project UrbanM20. The aim of the project, which is led by the Danish Technical University, is to improve the monitoring and management of water management in

New solar plant boosts renewable energy production in the Alpine region
The government of Graubünden has approved the construction of the Alpin Parsenn large-scale photovoltaic plant in Davos. This means that the municipal utility alliance Swisspower can now begin construction of the 14-hectare plant at an altitude of 2,500 meters in the Parsenn ski

ETH spin-off teaches the construction industry how to save money
With a pioneering technology, 4QT shows how fuel consumption and emissions of heavy construction machinery can be massively reduced. The ETH spin-off focuses on sustainable innovation and proves in practice that savings and efficiency should have long been standard on Swiss construction

HSLU optimizes metal recycling with AI
Artificial intelligence and smart sensor technology are revolutionizing the Swiss metal cycle. Two recent studies by HSLU show how intelligent sorting increases the value of recycled metals, avoids downcycling and enables a resilient, import-independent supply of raw

Disbursements of subsidies for energy-efficient refurbishments stagnate in 2024
The disbursement of subsidies for energy-efficient renovations stagnated in 2024 for the first time since 2016 and totalled CHF 528 million. The subsidies reduced the energy consumption of buildings by 12 billion kilowatt hours and CO2 emissions by 3.5 million


Basel tests CO2-free operation of construction sites
The canton of Basel-Stadt is trialling the potential for CO2-free construction site operations. In a pilot project with the Lucerne University of Applied Sciences and Arts and the planning office EcoForce GmbH, a waste collection centre is being built with electric construction machinery. The

Discussion about security of supply and dependence on nuclear power
The Gösgen nuclear power plant is expected to remain shut down until the end of February 2026. The ongoing modernization of the water supply system requires additional measures and evidence. The shareholders Alpiq, Axpo, the City of Zurich, CKW and ewb will lose CHF 500



Swiss electricity supply 2050 on the brink of major expansion
Switzerland's energy supply should be climate-neutral and nuclear-free by 2050. A new research report shows that photovoltaics and wind power must be massively expanded. At the same time, access to the European electricity market remains crucial in order to guarantee security of supply and







