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Process and Energy Optimization Revitalizes Energy Management at Eastman
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In 2005, the Eastman-Texas Operations Energy Management Team (EMT), in response to rapidly increasing energy prices, initiated a new energy optimization program to optimize the site’s energy intensity. This new program utilized a process and energy optimization (PEO) approach for identifying energy improvement projects. The EMT worked with an energy consulting company to develop and administer the program across the site during 2005 and 2006. The PEO program consisted of a short-term, high-intensity assessment of each production area’s process and energy systems together to identify potential process improvement projects. The projects identified and documented during these assessments ranged from energy savings projects to production improvement projects where energy usage was optimized to improve production. In all areas assessed, there were both non-capital (behavioral) projects, as well as capital projects, with paybacks that were normally less than two years. In 2005, projects implemented saved millions of dollars and reduced natural gas usage by 173 k MMBTU and subsequently, CO2 emissions were reduced by approximately 10Klb. In addition to tangible benefits, there have been numerous intangible site benefits, including a better understanding of site energy/process integration, increased focus regarding site-wide energy optimization, improved communication and cooperation between the site utilities department and all operating areas, and development of a multi-year energy management program supported by hundreds of specific, process and energy optimization project opportunities.
Greenwaldt, W. C. (2007). Process and Energy Optimization Revitalizes Energy Management at Eastman. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from