Karl Gruber

Wien Energie GmbH engages in the production and supply of electricity and natural gas. Its business activities include the construction and development of solar-, wind-, and hydropower plants, biomass and waste recycling facilities, and cogeneration systems. The company is headquartered in Vienna, Austria.

Wien Energie GmbH engages in the production and supply of electricity and natural gas. Its business activities include the construction and development of solar-, wind-, and hydropower plants, biomass and waste recycling facilities, and cogeneration systems. The company is headquartered in Vienna, Austria.

Wien Energie GmbH engages in the production and supply of electricity and natural gas. Its business activities include the construction and development of solar-, wind-, and hydropower plants, biomass and waste recycling facilities, and cogeneration systems. The company is headquartered in Vienna, Austria.

Wien Energie GmbH engages in the production and supply of electricity and natural gas. Its business activities include the construction and development of solar-, wind-, and hydropower plants, biomass and waste recycling facilities, and cogeneration systems. The company is headquartered in Vienna, Austria.

Wien Energie GmbH engages in the production and supply of electricity and natural gas. Its business activities include the construction and development of solar-, wind-, and hydropower plants, biomass and waste recycling facilities, and cogeneration systems. The company is headquartered in Vienna, Austria.