Overview of the year

Fish migration soon to be possible again in Miralago

October

The Miralago project includes several construction measures. A central component is improving fish migration in accordance with the new federal water protection law. To do this, a reservoir will be built to ensure a constant residual water flow of 300 litres per second in the uppermost section of the River Poschiavino. The water for the compensation reservoir will be fed in from the Crodalöc stream via a small power plant. To allow the dynamic discharge of up to 2,700 litres of residual water per second, a second small hydropower plant is being built below Lago di Poschiavo (Lake Poschiavo) near the branch to Golbia, enabling a large proportion of the residual water to also be used to generate energy. "We’re working with the University of Innsbruck to develop an innovative fish protection system at the water intake to prevent fish from entering the pressure pipe and the power plant,” explains project manager Matteo Mazza.

The project was launched on 1 October 2024. The groundbreaking ceremony was attended by the mayor of Poschiavo, Giovanni Jochum, and the mayor of Brusio, Pietro Della Cà, together with representatives of Repower: Michael Roth, Head of Generation & Grid and member of the Executive Board, and project manager Matteo Mazza. A total of around CHF 45 million is being invested in the project.

In addition to environmental benefits, the project will also bring significant improvements to the public infrastructure in Miralago. A new shoreline area with a boat landing stage will be created, and the water and electricity pipes and public lighting will be completely renewed. The old Repower facility will be replaced by a new building. These renovation measures will ensure the continued operation of Campocologno hydropower in the long term. The generation facility on the border with Italy is one of the oldest hydropower plants in Switzerland.

Matteo Mazza

Construction project manager