[California Energy Commission Letterhead]


On September 26, 2003, the California Energy Commission (Energy Commission) received a petition to modify the Energy Commission Decision for the Tracy Peaker Project. The Tracy Peaker Project is a nominal 169 MW natural gas-fired power plant that began commercial operation on June 1, 2003. The facility is located in an unincorporated portion of San Joaquin County, southwest of the City of Tracy.

DESCRIPTION OF PROPOSED MODIFICATION: Substitute a slightly larger, 300 kilowatt (kW) lower-emitting emergency diesel engine for the 250 kW emergency diesel engine that was originally licensed. Other than emergency operation, the engine will only be operated up to 200 hours per year for maintenance and testing purposes. Although the maximum hourly emissions of NOx and SO2 will increase slightly, there will be no increase in maximum NOx or SO2 emissions on a daily or annual basis. The emissions of CO, VOC and PM10 will decrease, despite the larger-sized generator, because the larger engine is a "cleaner," Air Resources Board-Certified Clean Diesel engine. The substitution was approved by the San Joaquin Valley Air Pollution Control District on September 11, 2003.


The purpose of the Energy Commission's review process is to assess the impacts of this proposal on environmental quality, public health and safety. The review process includes an evaluation of the consistency of the proposed changes with the Energy Commission's Decision and if the project, as changed, will remain in compliance with applicable laws, ordinances, regulations, and standards (Title 20, Calif. Code of Regulations, section 1769). Energy Commission staff is currently analyzing the request and will publish an analysis in the next several weeks. A public hearing for the purpose of approving or denying the amendment proposal will subsequently be held at a regularly scheduled Energy Commission business meeting.

This Notice of Receipt is being mailed to interested parties and property owners adjacent to the project site who may want to participate in the amendment process.

For further information on how to participate in this proceeding, please contact Ms. Margaret Kim, the Energy Commission's Public Adviser, at (916) 654-4489, or toll free in California at (800) 822-6228. If you require special accommodations, contact Lourdes Quiroz at (916) 654-5146. News media inquiries should be directed to Assistant Director, Claudia Chandler, at (916) 654-4989.

DATE : October 3, 2003

TERRENCE O'BRIEN, Deputy Director
Systems Assessment & Facilities Siting

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