Hershey Chocolate Company Western Plant
Oakdale, California

Plant Description - The 5.6 MW 501-KH Cheng Cycle cogeneration facility at Hershey's Western Plant began operation in February of 1987. Steam and electricity produced by the plant are used in chocolate processing. The plant steam load fluctuates daily and seasonally. The cogeneration unit fills most of the plant's steam demand with a packaged boiler helping to meet a maximum steam demand of 50,000 lbs/hr. The cogen plant is currently being used for standby steam service. IPT advised Hershey of the best strategy for operation and maintenance scheduling. As the manager, IPT also instituted its proven system for utility management, maintenance management, permitting, cost tracking, and performance monitoring. The operations and maintenance services contract also provides Hershey with preferential access to IPT engineers, technicians, and field service personnel.

Engineering services were provided by Gibbs & Hill, Inc. The cogeneration system incorporates an Allison 501 gas turbine modified for Cheng Cycle operation, an ABCO boiler, and a Bailey Network 90 control system.

Hershey is the owner and operator of the plant. During construction and startup, International Power Technology (IPT) provided design and controls engineering and training of Hershey operating personnel.

IPT Services Provided - Project development was  provided by IPT. Currently, IPT supplies Hershey with periodic operations and maintenance support for the standby facility. Operators at the site are provided and directed by Hershey, with ongoing operations and maintenance support provided by IPT under a formal long-term contract.

IPT manages any major repair work at the facility. IPT dispatches technicians and engineers to the facility on an as-needed basis. Major overhaul work is scheduled and directed by IPT

IPT Experience - IPT is an energy company offering a broad range of services to parties interested in cogeneration, independent power, and thermal energy production. IPT activities can be tailored to the specific needs of a facility.

IPT provides operations, maintenance, and management services to more than a dozen plants comprising over 72 MW of generation equipment. In addition, IPT provides plant design consulting, project development, and startup services to cogeneration facilities in North America, Europe, Japan and Australia.


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