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Stölzle-Oberglas and its holding produce green energy

The Austrian glass manufacturer proves that even energy-intensive industrial companies can have a green thumb

In 2018, a huge rooftop photovoltaic system went into operation, installed by the Austrian company Oekosolar PV, on the eight Stölzle warehouses.

Each of the eight individual PV systems has a nominal output of around 200 kilowatts peak, so a total of 1.6 MW peak, which corresponds to 25 percent of the electrical power which is required by the Austrian glass plant at peak times.

Waste gas heat exchanger

Furthermore, in 2015 at the Austrian glass plant of the glass group was implemented a waste gas heat exchanger, which feeds the waste heat from the two melting furnaces used in the glass production into the district heating network of Energie Steiermark. This compensates for 4,300 tonnes of CO2 every year.

Since 2018, 170,000 MWh of green electricity and 450,000 MWh of green thermal energy have been generated in three biomass power plants owned by CAG Holding, to which the Stölzle Glass Group belongs. This corresponds to 2/3 of the total energy consumption of all six European glassworks of the Stölzle Glass Group.

Biomass power plant

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