TPG Growth, the middle market and growth equity platform of global private investment firm TPG, has sold around a quarter of its stake in India-based clean energy producer Greenko Group, which is listed on London’s Alternative Investment Market (AIM). Over the last six months, TPG Growth sold a little over a two percent stake on AIM for a reported US$6 million to US$8.5 million, a large portion of which was sold this month. The firm originally led a US$116 million round of funding in Greenko in January 2010. The company has a portfolio of wind, run-of-river hydropower, natural gas and biomass assets, and is focused on building utility scale wind farms and hydropower projects across India.