Statkraft’s Irish headquarters in Cork Airport Business Park is anything but eye-catching. Aside from a pair of electric car chargers on the parking spaces outside the unassuming building, nothing indicates that the office suite upstairs is home to the fastest-growing developer of renewable energy projects in Ireland. When it comes to multinationals, Cork Airport Business Park is more readily associated with Amazon’s long-established customer service centre here. Yet with nearly €4 billion in annual revenue and 4,500 employees in 17 countries, Statkraft is an international behemoth in its own right.  The Norwegian state-owned renewable electricity group first set foot in…