Specialty chemicals manufacturer Chemplast Sanmar will source solar power from Yesaryes Energy’s 37.5 MW project in Tamil Nadu under a group captive arrangement to reduce its energy costs. The company plans to acquire a 27% equity stake in Yesaryes Energy for ₹4.5 million (~$46,653) through a share purchase agreement with Veebee Yarnntex and Yesaryes Energy. The acquisition may be completed in one or more tranches.