Investor Relations English Switch language or country Open/close search Search open / close navigation share tweet mail Kölnbreinsperre – exciting facts on the topic of hydropower Get an overview in the exhibition VERBUND Energy World Malta, enjoy a fantastic view from the Airwalk at the dam, gain insights on a guided tour through the inside of the Kölnbreinsperre. At the VERBUND Energy World Malta, you’ll learn more about the construction of the Kölnbreinsperre through historic photographs. A large relief and an interactive presentation offer insights into the Malta-Reisseck power plant group. You will also get extensive information on site about the Malta power plant group, with the newly constructed underground pumped storage power plant Reisseck II. Admission to the Energy World Malta is free for all visitors to our excursion destination! Airwalk What a view! This is a once in a lifetime opportunity: standing on a glass surface, with an unimpeded view 200 metres down into the bare abyss and all around a breathtaking view of the high alpine landscape of the Hohe Tauern. Only on the Airwalk can you experience the architecture of the Kölnbreinsperre in all its facets: when the wall arches over your head and the massive structure of 2 million m³ of concrete spreads out in front of you – which, by the way, has almost the same volume as the Great Pyramid of Giza (2.6 million m³). Dam wall tour Deep into the interior of Austria’s biggest dam With a height of 200 metres and a width of 626 metres, the Kölnbreinsperre is the largest dam in Austria. At peak times, it holds back 200 million m³ of water, which could be used to fill a bathtub for 1.4 billion people (20% of the world’s population). Technical values are monitored daily at 2,500 measuring points. A tour of the dam gives you the opportunity to learn more about electricity generation and to explore the inside of the dam. Meeting point & times The dam wall tours are held daily from 9:00 am to 4:00 pm, every hour on the hour. You can purchase tickets in the souvenir shop in the Berghotel, bus park level. Also located here is the meeting point for the dam tours. Tip: The temperature in the dam wall is a constant 8° C all year round. Warm clothing and sturdy footwear are recommended. Please note that you must notify us of groups of more than 15 people. groups Please accept marketing-cookies for this website displaying YouTube-videos. Prices of dam wall tour Adults € 8.00 Children 0-5 years Free Children & groups of schoolchildren 6-15 years € 5.00 Duration of the tour approx. 1 hour Facts & figures on the Kölnbreinsperre The VERBUND power plant Malta Upper Stage is a pumped storage power plant situated in Brandstatt in the municipality of Malta in Carinthia. It was built between 1974 and 1977 with the financial participation of Kelag and Energie AG. The power plant, which generates 37,870 MWh of electricity annually, was put into operation in 1979. Facts & figures Back to Top VERBUND on Facebook VERBUND on LinkedIn VERBUND on Xing VERBUND on Youtube VERBUND on Twitter VERBUND on Instagram Contact 0800 210 210 (free telephone hotline within Austria) Email: info@verbund.at VERBUND AG P.O. Box 8300, 1011 Vienna VERBUND Investor Relations Media library / Press photos Power station outages Investor Relations About VERBUND © VERBUND AG 2021 Cookie Policy Data Protection Terms of Use Imprint