Energy is often the largest operating expense after raw materials for refining and petrochemicals companies, frequently starting out at over 50 percent of operating costs prior to energy reduction programs. Managing and optimizing these energy costs are critical capabilities for a refinery to meet profitability and sustainability targets. This white paper details the journey Bharat Petroleum Mumbai Refinery (BPCL-MR) in Mahul, India underwent to improve operations while optimizing energy costs.