"Cutting useful subsidies while showing blind confidence in immature technologies are two sides of the same inertia," warns Jean-Yves Pidoux, the former director of the SIL.
Published for the first time by the AES, this tool dedicated to the security of the electricity supply paints a potentially critical picture of the country's situation within a quarter of a century.
A consortium led by the company GRZ Technologies, the Federal Office of Energy (OFEN) and The Ark Foundation has developed a hydrogen compressor using heat instead of electricity. A promising technology but with limited concrete potential.
"In 2025, all of the batteries presented at SNEC Storage in Shanghai were LFP, a sign that this chemistry has established itself as the new standard," says Lionel Perret, head of the renewable energy sector at Planair.
Published in Nature, a study shows that once technical, social and environmental risks are taken into account, the global reserves available for geological carbon storage appear much more limited than most estimates had suggested.
"Our country should have the political courage to reduce a larger share of its emissions at the source. It is an essential principle of our waste management: to avoid producing them as much as possible before looking for a way to treat them," Adèle Thorens Goumaz reminds.
A recent study by the Swiss Federal Institute of Technology in Zurich has raised doubts about the feasibility of CO₂ storage in Switzerland. If in situ mineralization proves impossible, the solution lies in deeper reservoirs, within saline aquifers.
Regulation issues, massive and unpredictable solar production in summer, the challenge of the average price, constant adaptation of the grid... the challenges are numerous for Romande Energie. Interview with Christian Petit, its CEO since 2019.
