Blog

  • La Bâtiaz – Le Verney: divers to the rescue

    What do professional divers have to do with the construction of an extra-high-voltage link? To find out, you first need to know that the mini-tunneller, Giorgia, is currently drilling out the gallery to house the extra-high-voltage link between the substation at La Bâtiaz and Le Verney in Martigny.
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    The operator controls from the window
  • Pioneering Gotthard project as multifunctional infrastructure

    Given the large number of tunnels in Switzerland and the frequently expressed need for more extra-high voltage lines to be cabled, bundling these and other infrastructures together would seem to make sense and is envisaged in relation to individual projects. However, the synergies created by the Gotthard line cabling cannot be transferred to just any grid project.
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  • Studio Generale: Exploiting synergies together

    In the interview, Roberto Pronini, Director of Azienda Elletrica Ticinese, tells us about his experience of the Studio Generale on high- and extra-high-voltage grids from the company’s point of view.
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  • Power lines and regional planning go hand in hand in Ticino

    Thanks to the Studio Generale, Ticino has been playing a pioneering role in fostering dialogue and the search for synergies since 2013. Studio Generale is a cantonal working group that brings together Swissgrid, SBB and AET to work on a common goal: the search for synergies and optimisation of power line routes tailored to suit the landscape. The parties’ goal is to ensure the continuing security of the electricity supply in harmony with regional planning.
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  • A business model like no other

    While Swissgrid is a public limited company, its business model is completely different to those of other companies.
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  • It’s all about the resistance

    The transition towards sustainable energy sources requires the extra-high-voltage grid to be upgraded and expanded to comply with the amount of electricity that will need to be transmitted in the future.
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  • «The systems and processes worked correctly»

    On 8 January 2021, a grid frequency deviation occurred in Europe. ENTSO-E published an intermediate report on the incident on 26 February. In an interview, Markus Imhof, Head of Balancing & Scheduling, explains the role that Swissgrid played in this event.
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  • A facelift for a pillar of the community

    Swissgrid and SiL have renovated their electrical facilities at the Romanel substation. The work has now been completed. Yves-André Bagnoud, Head of the Research & Project Office at Lausanne industrial Services (SiL), tells us about the history of this substation and its importance for SiL.
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  • From the Tube Map to a new Swiss grid map

    6,700 kilometres of lines, 12,000 pylons and 141 substations – the Swiss extra-high-voltage grid is a complex web. This becomes particularly apparent when it is to be represented graphically.
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  • Swissgrid replaces a relic from the post-war period

    High above Rhäzüns, Swissgrid replaced the pylon of a 380-kilovolt line in a construction period lasting only two months.
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