ENERTRAG operates a fleet of around 500 wind turbines in Europe - generating an annual yield of
one and a half billion kWh of electricity.

The contract between ENERTRAG and Vestas includes delivery, installation, spare parts supply and a
VestasOnline Business SCADA solution – a range of monitoring and control functions to help optimise the performance of the wind power plant.

In addition the contract includes Active Output-Management (AOM) 4000, a value-added risk management package for customers that guarantees defined turbine availability and productivity levels. The delivery of the wind turbines is scheduled for the end of 2011.