Corporate buyers are increasingly accepting that captive solar projects are the most cost-effective source of energy. According to a latest report by the World Business Council for Sustainable Development, corporate buyers adopting renewable power in India include global technology providers (Adobe, Microsoft), automotive manufacturers (Volvo, Mahindra) and food & beverages companies (United Breweries, Coca Cola). Andrew Hines, co-founder, CleanMax Solar, a solar developer, tells FE’s Anupam Chatterjee how the company plans to tap this trend to increase its portfolio. Excerpts: