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Energy Efficiency Improvements and Cost Saving Opportunities in the Corn Wet Milling Industry
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Corn wet milling is the most energy intensive industry in the food and kindred products group (SIC 20). Plants typically spend approximately $15 to 25 million per year on energy, one of its largest operating costs, making energy efficiency improvement an important way to reduce costs and increase predictable earnings, especially in times of high energy-price volatility. After describing the industry's trends, structure and production and the process's energy use, we examine energy-efficiency opportunities for corn wet millers. Where available, we provide energy savings and typical payback periods for each measure based on case studies of plants that have implemented it. Given available resources and technology, there are opportunities to reduce energy consumption cost-effectively in the industry while maintaining the quality of the products produced. Further research on the economics of the measures and their applicability to different wet milling practices is needed to assess implementation of selected technologies at individual plants.
Galitsky, C.; Worrell, E. (2003). Energy Efficiency Improvements and Cost Saving Opportunities in the Corn Wet Milling Industry. Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from