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Area photovoltaic plant Schönkirchen-Reyersdorf

  • Savings of about 14,000 tons of CO2 per year in total (compared to fossil electricity production with coal)
  • Electricity production corresponds approximately to the annual electricity consumption of 4,400 households
  • Commissioning of phase I of the plant was carried out in the fourth quarter of 2020
  • Commissioning of phase II was carried out in the third quarter of 2022

Construction of one of the largest area photovoltaic (PV) plants in Austria

The first phase of the PV plant was constructed on open land on OMV's premises in Schönkirchen-Reyersdorf and commissioned on November 19, 2020. The commissioning of phase II took place in July 2022. The total installed capacity of the PV plant in question amounts to 15.32 MWp in the final stage, which OMV Austria Exploration & Production GmbH feeds into the company-specific 20 kV grid.

The aim of this project is to generate own electricity consumption in a climate-friendly way with the help of solar energy. As a result, there will be CO2 savings of around 4,300 t/a (based on the current electricity mix) or up to 14,000 t/a (compared to fossil electricity production with coal). 

img_PV Anlage 13

Project area

At the landfill site in Schönkirchen-Reyersdorf there is a green open area of 133,200 m² available, which is suitable for the use of photovoltaic modules. The enclosure of the PV plant is ensured by the existing fencing of the Schönkirchen-Reyersdorf landfill site.




General plant description

The planned power generation plant will generate electrical energy from a renewable energy source. Solar energy is used as the primary energy source. Monocrystalline solar cells convert the solar energy directly into electrical energy. The direct current generated is converted into alternating current by inverters and fed into the internal 20 kV grid of OMV Austria Exploration & Production GmbH via transformers.The PV plant is operated in parallel with the grid, with all the electrical energy produced being used directly by the plant operator.
A new 20 kV ring line was built around the plant for the feed-in. Along this ring line, prefabricated compact transformer stations with a capacity of 800 kVA each were located and a transfer station was erected.

img_PV Anlage 14
img_PV-Anlage 8

Technical data of the mounting system

The modules are positioned using a static free-space mounting system. The modules are installed horizontally in rows facing east or west. The foundation is made by means of pile-driven/concrete foundations.

Technical details

  • Module output: 330 Wp/455 Wp
  • Total area: 13.3 ha
  • Module inclination: 8° - 12
  • Orientation: 90° east / 270° west


  • Transformer stations: 17 pieces
  • Transfer station: 1 piece
  • 20kV ring line: approx. 2.7 km

Construction phase I:

  • Total output: 11.418 MWp
  • Number of modules: 34.600
  • Module area: 57,690 m²
  • Module tables (10/5): 832/66
  • Inverters: 91 pieces
  • Annual generation 2021: 12.10 GWh

Construction phase II: 

  • Total output: 3.898 MWp
  • Number of modules: 8,568
  • Module area: 18,490 m²
  • Module tables: 238 (each 18 modules east + 18 modules west)
  • Inverters: 28 pieces
  • Annual production: 3.74 GWh

Construction period - Construction will take place in 2 phases:

  • Phase I: July to November 2020
  • Phase II: April to July 2022