Suzlon Energy is making a statement with stronger order book, record deliveries and a wider renewable energy play. However, it is now facing a familiar challenge in a different form: How to convert rapid growth into sustainable profitability. While revenues rose 45% in Q4FY26 and 22.5% in Q1FY27, the Ebitda margin fell to 15.5% in the June quarter from 19% a year earlier, as the company incurred higher costs while investing in its next phase of expansion.