Spain’s Acciona will be forced to make an offer to acquire Nordex, after raising its share in the German wind turbine maker to over 30%. But if it all of that goes ahead, the future of Nordex hangs in the balance. The €99 million increase in Nordex’s capital will see Acciona’s stake in the company rise from 29.9% to 36.27%. As this lies above the 30% ceiling, German regulations mandate Acciona to make an official takeover bid, with a proposed offer of €10.32 per share. Based on share prices over the past three months, this values Nordex at €1.1 Billion. Nordex accepted the initial investment from the Spanish project developer amid turbulence within the energy industry. Pressure has been applied…