Blog

  • Energy infrastructure: where and how much?

    The grid needs to be upgraded and expanded in line with demand to ensure the successful implementation of the Energy Strategy 2050. That much is clear. But grid projects often take longer than planned. Why is that?
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  • The mini-tunnel boring machine Giorgia gets started

    Giorgia, the mini-tunnel boring machine sporting the colors of Valais and of Switzerland, was recently lowered into the Verney shaft. Impressive pictures have been taken.
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  • Electricity flows over the Gotthard

    The importance of the Gotthard route applies not only to road traffic, but also to electricity transmission. Swissgrid's extra-high voltage line Mettlen – Airolo runs via the Gotthard Pass and is vital for north-south electricity transport.
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  • Working on live extra-high-voltage lines is possible

    All electricians will tell you that the first thing they learned at the start of their training is to make sure the power was off before working. Since 1 October 2020, this is no longer entirely correct in Switzerland.
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  • Safety is our top priority in everything we do

    Future Grid Maintenance Managers at Swissgrid have to complete a very demanding training programme. After all, they are responsible for the safe operation and maintenance of the lines and substations in their assigned area.
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  • A giant comes to Mühleberg

    A giant made of steel with 26 axles is crawling its way to Mühleberg: the entire load weighs 362 tons and is almost 75 metres long.
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  • We are learning from the supply disruption in Valais

    After the power failure in Valais, Swissgrid initiated some investigations. The incident was the result of a combination of technical and human factors. Swissgrid is learning from it and has taken appropriate action.
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  • Of pylons and energy

    The old extra-high-voltage grid in Goms is being dismantled; a move that will significantly improve the natural scenery on the valley floor. An interview with Gerhard Kiechler, the Mayor of Goms (VS) about the power line and energy-rich Goms.

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  • Powerline construction: Various factors influence de costs

    Electricity is an omnipresent part of our life that we often take for granted. Without it, our social and economic life would cease to function. As the backbone of the Swiss electricity supply, the transmission grid plays a critical role in ensuring the security of supply.
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  • Can wind and solar energy be stored?

    Renewable energies play an important role in establishing a climate-neutral supply of energy. However, integrating these power sources into the supply of electricity presents a number of challenges.
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