Castlelake Acquires Stake in Pampa Energía’s Greenwind (en español) 13 March 2017 Argentinian investment firm Pampa Energía sold 50% of is stake in Buenos Aires based wind energy subsidiary, Greenwind, to U.S. investment firm Castlelake for US$11.2m. (BAE Negocios) Pampa Energía, propiedad…