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Title:	New pumped storage station to cover peaks of electricity demand / Neues Pumpspeicherwerk zur Abdeckung des Bedarfs an Spitzenenergie
Abstract:	The Kraftwerke Linth-Limmern AG, an important Swiss high-pressure power company, is extending its existing plant with the Linthal 2015 project in order to continue to be able to guarantee a secure electricity supply. The core element of the project is the Limmern pumped storage station with pumping and generation power of 1,000 MW each. Construction work on the project started at the end of September 2009. The construction sites high in the mountains, which extend up to a height of 2, 500 m above sea level, are accessed by two 25 t construction cable railways. Not only the logistics, weather and natural hazards but also the sheer size of the project are a great challenge for all parties. The total construction period for the Limmern pumped storage station is estimated at seven years, and commissioning of the four machine groups is planned for 2015/16. Die Kraftwerke Linth-Limmern AG, ein bedeutendes Schweizer Hochdruckkraftwerk, baut mit dem Projekt Linthal 2015 ihre bestehenden Anlagen aus, um auch in Zukunft eine sichere Stromversorgung gewährleisten zu können. Kernstück des Projekts bildet das Pumpspeicherwerk Limmern mit einer Pump- und Turbinenleistung von je 1.000 MW. Der Baubeginn des Projekts erfolgte Ende September 2009. Die Hochgebirgsbaustellen, die bis in eine Höhe von 2.500 m ü.M. reichen, werden durch zwei 25-t-Bauseilbahnen erschlossen. Die Logistik, die Witterung und die Naturgefahren sowie die Größe des Projekts stellen große Anforderungen an alle Beteiligten. Insgesamt wird für das PSW Limmern mit einer Bauzeit von knapp sieben Jahren gerechnet. Die Inbetriebnahme der vier Maschinengruppen ist in den Jahren 2015/16 vorgesehen.
Source:	Geomechanics and Tunnelling 4 (2011), No. 6
Page/s:	643-650
Language of Publication:	English/German

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