First power-to-gas plant inaugurated



With the inauguration, the project partners have achieved an important goal: proving that power-to-gas plants can function on a large scale and thus make a contribution to supplying the country with renewable gas. In terms of construction, the new building in Dietikon is also exemplary: from the parking ceiling upwards, the plant building is a purely wooden structure.

A great day for all involved: They inaugurated Switzerland's first industrial power-to-gas plant today in Dietikon in the presence of Zurich Cantonal Councilor Martin Neukom and Benoît Revaz, Director of the Swiss Federal Office of Energy (SFOE). With an electrolysis capacity of 2.5 megawatts (MW), it produces around 18,000 megawatt hours (MWh) of synthetic renewable gas per year. The plant thus makes an important contribution to the decarbonization of the country. Thanks to it, up to 5,000 tons of CO₂ can be saved annually. 

The hybrid power plant is a first in Switzerland: The power-to-gas plant produces renewable gas from waste and wastewater. In the choice of building materials, too, those responsible are relying on the ecological timber construction option. 

Gasaufbereitung im Holzbau

The wooden structure of the Limeco impresses with its simplicity and its performance. The walls are made of visible cross laminated timber panels - manufactured from "beetle wood". The plant components, which weigh up to 12 tons, are supported by a ceiling made of horizontal glulam. The high loads cause settlements, which are leveled out with a pressure distribution plate made of construction beech. An exterior shell of horizontal timber formwork completes the simple but sophisticated building. The video shows how the building was erected in just a few weeks.

Limeco is proud to build the first industrially operated power-to-gas plant and thus make a significant contribution to the energy transition in Switzerland. 

Power-to-gas enables storage of renewable energy 

The plant makes a contribution to the transformation of the Swiss energy system. The Energy Strategy 2050 envisages replacing electricity from nuclear power with solar, hydro and wind power. This means that in the future, much more electricity will be produced in summer than consumed. In winter, however, when energy demand is greater, Switzerland will have to import electricity. Power-to-gas is a key technology for storing surplus renewable electricity on a seasonal basis.

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