RENTEL NV reaches Financial Close for its 309 MW Offshore wind project in the Belgian North Sea. Rentel NV has reached financial close for the construction of a new 309 MW offshore windfarm off the Belgian coast. The Rentel project - located 40 kilometers north of Ostend - will be the fifth offshore wind project in the Belgian North Sea. This new offshore power station will consist of 42 turbines and a total installed capacity of 309 MW. The total investment is 1,1 billion euros.