Swedish renewables developer OX2 AB (<a href="https://www.nasdaqomxnordic.com/aktier/microsite?Instrument=SSE227438&name=OX2&ISIN=SE0016075337" target="_blank">STO:OX2</a>) today said it has handed over the 23-MW Sulmierzyce wind farm in Poland to infrastructure fund manager DIF Capital Partners.