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ÖKO Wind Erneuerbare Energierzeugungs GmbH

Austrian renewable energy company developing and operating wind, hydro and solar power plants, with over 110 MW of developed capacity.

Last updated September 27, 2026

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Overview

Ökowind Erneuerbare Energieerzeugungs GmbH (Ökowind EE GmbH) is an Austrian renewable energy company headquartered in St. Pölten, Lower Austria. Founded in 2003 by managing director Karl Weiß, the company focuses on project development and operation of wind, hydro and solar power plants. Weiß has been active in renewable energy since the 1980s and is regarded as a pioneer of the Austrian wind power market; his first project, the Pottenbrunn wind farm, was one of the first wind farms in Austria to be connected to the grid, entering operation in 1998. Ökowind's two main activities are project development for and operation of renewable energy plants. Over a period of about 15 years, the company developed several wind farms with more than 50 wind turbines in Burgenland and in the Greater St. Pölten area, representing an installed capacity of more than 110 MW. Ökowind itself operates 12 of these turbines, with a total rated output of 29.35 MW. The company states that its annual electricity output is 70,000 MWh, contributing to a clean environment and to sustainability for future generations. In addition to wind power, Ökowind is involved in hydropower and solar energy. The company notes that around 55% of Austria's energy needs are met by hydropower, a substantial share of which comes from more than 2,600 small hydropower plants. Ökowind argues that the expansion of renewable energies can replace imported nuclear power on the Austrian electricity grid in the coming years, contributing to security of supply. The company continues to work intensively on wind power projects in Austria. Ökowind is a private company and does not appear to be listed on a stock exchange. Its corporate name, Ökowind Erneuerbare Energieerzeugungs GmbH, reflects its focus on renewable energy generation. The company is based at Unter-Zwischenbrunn 10, 3100 St. Pölten, Austria.

History

Ökowind Erneuerbare Energieerzeugungs GmbH was founded in 2003 by Karl Weiß, who has been involved in renewable energy since the 1980s. Weiß is described as a pioneer of the Austrian wind power market. His first project idea, the Pottenbrunn wind farm, was implemented together with his first partner, certified engineer Johannes Trauttmansdorff, through the establishment of Windlicht Erneuerbare Energieerzeugungs GmbH. The Pottenbrunn wind farm was one of the first wind farms in Austria to be connected to the grid and was put into operation in 1998. Since then, Weiß has become one of the most well-known figures in the Austrian wind energy industry. Ökowind's core activities are project development for and operation of wind, hydro and solar power plants. Over the past 15 years, the company has developed several wind farms with more than 50 wind turbines in Burgenland and in the Greater St. Pölten area, achieving an installed capacity of more than 110 MW. Ökowind is responsible for the operation of 12 of these turbines, with a total rated output of 29.35 MW. The company is currently working intensively on wind power projects in Austria. The company highlights its contribution to the environment: its annual electricity output is 70,000 MWh. It also emphasizes the role of hydropower in Austria, where around 55% of energy needs are met by hydropower, a substantial share of which is generated by more than 2,600 small hydropower plants. Ökowind argues that the expansion of renewable energies means that imported nuclear power can be replaced on the Austrian electricity grid in the next few years, contributing to security of supply. Ökowind is headquartered at Unter-Zwischenbrunn 10, 3100 St. Pölten, Austria. It remains a private company focused on renewable energy generation.

  • 2003

    Ökowind Erneuerbare Energieerzeugungs GmbH is founded by Karl Weiß.

  • 1998

    Pottenbrunn wind farm, one of the first wind farms in Austria to be connected to the grid, is put into operation.

  • Over a period of about 15 years, the company develops several wind farms with more than 50 wind turbines in Burgenland and the Greater St. Pölten area, with an installed capacity of more than 110 MW.

Products and positioning

Pioneer in the Austrian wind power market, focused on project development and operation of renewable energy plants.

  • Wind power plants

    Development and operation of wind farms, including 12 turbines operated by Ökowind with a total rated output of 29.35 MW.

  • Hydropower plants

    Involvement in hydropower, which supplies around 55% of Austria's energy needs.

  • Solar power plants

    Development and operation of solar power plants.

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