This paper deals with the first off-shore wind farm in the world. The paper describes the experiences from the design phase until today. The considerations in the design phase are described. The technical and practical problems encountered during the construction phase including foundations, grid connection, transportation, assembly and erection of the turbines are described. Furthermore the experiences from the commissioning, the general survey and the realized costs compared to the budget are reported. Finally the experiences from the first 10 months of operation are described as well as suggestions for the next off-shore wind turbine project.