Suzlon Energy, the world’s largest fully integrated wind power company, has signed an agreement with Martifer for the acquisition of the Portuguese conglomerate's stake in REpower Systems for €270 million.

The agreement to acquire Martifer's stake of about 22.48% cent in REpower will be completed by December 15, 2008.

According to official sources, the completion of the agreement will take Suzlon's stake in REpower to about 90%. The company currently owns about 66% stake in REpower.

Suzlon Energy had purchased 30% of holding of REpower from French state-run Areva in June, this year.