The 10-year power-purchase deal will see Google buy electricity from an Eneco-developed plant currently under construction at Delfzijl, near Eemshaven.
The power will be used to provide a new €600m ($751m) Google data centre in the north of the Netherlands with 100% green power.
The deal is the latest such agreement struck by Google, which has already tapped into wind projects in Sweden and in the US for its data centres.
The company's director of global infrastructure said early this year that Google expected to make more investments in European wind.
The 18-turbine Dutch wind farm, described as an 'onshore-offshore development' is expected to start providing power under the PPA in the first half of 2016, Google said.