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Vieux Emosson dam height raised: reservoir now filled!

As part of the construction works at the Nant de Drance pumped storage power plant the Vieux Emosson reservoir dam was raised by 21.5 metres. Now the reservoir is filled for the first time. The flooding of the reservoir began in May 2017 and took place exclusively with natural inflows.

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Reliable maintenance and operation of wind farms

Just a few years ago, wind turbine manufacturers were the only service providers for the maintenance of wind farms. Independent suppliers like us are only slowly entering the market. With personal support, a wide range of services and our experience from our own operations, we ensure greater price competition and create added value for other operators and investors.

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Load limiting system eliminates the need for supply grid upgrade

When companies install additional machines and equipment, this often requires an upgrade of the electricity supply line. A load limiting system, however, can eliminate the need for costly grid expansion measures. Such systems ensure that facilities continue to operate in the event of a circuit breaker overload by selectively switching off individual loads. An on-site report from the Geriatric Clinic in the Swiss city of St. Gallen.

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Emission-free mobility with hydrogen

In September 2019, the Gösgen hydropower plant was the showcase for some emission-free logistics: Hydrospider AG, in which Alpiq has a 45% stake, and Hyundai Hydrogen Mobility presented a business model based on green hydrogen – the only one of its kind in Europe.

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Think energy. Think service.


With innovative solutions, Alpiq offers its customers in Europe comprehensive and efficient services in the fields of energy generation and marketing as well as energy optimisation and e-mobility. Below, we would like to present selected projects.