Performed an energy efficiency assessment at a large, complex refinery of a major oil and gas company with a team of highly seasoned refining professionals.Discussed unit design and operation with process engineers during a two-week onsite review to identify energy saving opportunities. Created an interactive steam ladder diagram in Excel to evaluate header balances with multiple energy saving strategies implemented.Acquired and trended refinery data for the development of energy saving tactics.Developed opportunity tactic sheets for the refinery’s sulfur recovery complex to facilitate implementation.