Sara Lee: Improved Compressed Air System Increases Efficiency and Saves Energy at an Industrial Bakery
This case study was prepared for the Industrial Technologies Program of the U.S. Department of Energy (DOE); it describes the energy and costs savings resulting from improving the compressed air system of a large Sara Lee bakery in Sacramento, California. The compressed air system supports many operations of the bread-making machines, and it had been performing poorly. A specialist from Draw Professional Services, a DOE Allied Partner, evaluated the system, and his suggestions included repairing a controller, fixing leaks, and replacing a compressor with a new one fitted with an energy-saving variable-speed drive. As a result, the bakery has reduced its energy use by 471,000 kilowatt-hours annually and is saving $50,000 per year in operating and maintenance costs.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC36-99-GO10337
- OSTI ID:
- 15016586
- Report Number(s):
- DOE/GO-102005-2129; TRN: US200515%%238
- Resource Relation:
- Other Information: PBD: 1 Jul 2005; Related Information: Industrial Technologies Program (ITP) Performance Spotlight (Fact Sheet)
- Country of Publication:
- United States
- Language:
- English
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