The Berloz project is located in in the east of the country near Liege. The deal comes with a 15-year service contract.
According to Gamesa the project will come online by end-2015.
According to Windpower Intelligence, EDF and Eneco have around 200MW under development in Belgium with projects including the 30MW Nives wind farm in Walloon Brabant.
Speaking about the deal, Gamesa said it had also received a 12MW contract from EDF for 14 G58 850kW turbines to go to Joncels wind farm, located in the southern French region of Languedoc-Roussillon.