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  • The 258 kW system installed on the roof of the largest wastewater treatment plant in the Nordic countries. The system is divided into six different roofs, with a part layer on top of roof covering. Due to the innovative installation system, the installation is light and safe.

Technical information

  • Owner:
    HSY
    Completion date:
    2016
    Location:
    Viikki, Helsinki
    Coordinates:
    20°13'32"N 24°59'38"E
    Module orientation and angle:
    South, 15°
    Overall module power:
    258 kWp
    Estimated annual electricity generation:
    220.000 kWh
    Total solar module area:
    1520 m2
    Module quantity:
    894
    Module type:
    EG 290M
    Module power:
    290 Wp
    Cell type:
    6" Monocrystalline silicon cell
    Type of installation:
    Schletter AluGrid15
    Type of inverter:
    ABB Trio-series
    Number of inverters:
    12