[California Energy Commission Letterhead]

Docket No. 99-AFC-5

On August 2, 1999, the Otay Mesa Generating Company, Limited Liability Company (Otay Mesa) filed an Application for Certification (AFC) for the Otay Mesa Generating Project (OMGP). The Energy Commission staff has begun reviewing the AFC for data adequacy, and the review will be completed within 45 days from the date of filing. If the AFC is determined to be data adequate by the Commissioners at the September 8, 1999 Business Meeting, we will begin the data discovery and analysis phases. These phases will include a number of public workshops and hearings. We will be scheduling an Information Hearing and visit to the project site in September, 1999, in the Otay Mesa area. The Commission's overall review process will be completed in a maximum of 12 months.

The Energy Commission is responsible for reviewing and ultimately approving or denying all thermal electric power plants, 50 MW and greater, proposed for construction in California. The Energy Commission's facility certification process carefully examines public health and safety, environmental impacts and engineering aspects of proposed power plants and all related facilities such as electric transmission lines, natural gas pipelines and water pipelines. The Energy Commission's responsibilities are similar to those of a lead agency under the California Environmental Quality Act (CEQA).


The the Otay Mesa Generating Project (OMGP) will be a 510 megawatt (MW), natural gas-fired combined cycle power plant located in the Otay Mesa area in western San Diego County. The 15-acre site is about 15 miles southeast of San Diego, California, and about 1.5 miles north of the United States/Mexico border.

A new 230 kilovolt (kV) switchyard at the site is proposed. Otay Mesa plans to build a 0.1-mile connection to San Diego Gas & Electric's (SDG&E) existing 230 kV Miguel -Tijuana transmission line that passes near the eastern boundary of the Otay Mesa site. A 9-mile section of this existing line may be modified to accommodate the addition of new conductors (i.e., wires carrying electricity) on existing towers, between an interconnection point east of the plant site and SDG&E's Miguel substation. A new two-mile natural gas pipeline will be built by SDG&E to provide fuel for the project. The gas pipeline will connect to SDG&E's Pipeline 2000 which is currently under construction.

The project will use dry cooling technology, while process water for steam generation and potable water for domestic needs will be supplied by the Otay Water District via a 0.2 Ğmile pipeline connection. Wastewater from the plant will be transported to San Diego County's sewer system from the plant, via a new 2-mile pipeline that will connect to an existing line in Johnson Canyon. The proposed route for access to the Otay Mesa site will be from Otay Mesa Road, turning north on Alta Road. The proposed site is approximately 700 feet east of Alta Road. Otay Mesa, LLC will be building a short access road from Alta Road to the site.

Otay Mesa plans to complete construction and start operation of the OMGP by the summer of 2002. During construction, an average of approximately 400 workers would be employed. During operation, the OMGP would employ approximately 20 full-time staff.


The purpose of the AFC process is to enable the Energy Commission to make a determination regarding the need for the project and to assess the project's impact on environmental quality, electrical system reliability, and public health and safety. Over the next 12 months, the Energy Commission will conduct a number of public workshops and hearings to determine whether the project should be approved for construction and operation and under what set of conditions. These workshops will provide the public and local, state and federal agencies the opportunity to ask questions and provide input about the proposed project. The Energy Commission will issue notices for these workshops and hearings, normally 14 days, but in no case later than 10 days prior to the meeting. If you are not currently receiving these notices and want to be placed on the mailing list, please contact Luz Manriquez, Project Secretary, at (916) 654-3928.

If you want information on how you can participate in the Energy Commission's review of the project, please contact Ms. Roberta Mendonca, the Energy Commission's Public Adviser, at (916) 654-4489 (toll free in California at (800) 822-6228), or by email at pao@energy.state.ca.us. If you require special accommodations to attend a workshop, please call Robert Sifuntes at (916) 654-5004, at least five days before a workshop. Technical or project schedule questions should be directed to Eileen Allen, Siting Project Manager, in the Energy Facilities Siting and Environmental Protection Division, at (916) 654-4082, or by email at eallen@energy.state.ca.us. The status of the project, copies of notices and other relevant documents are also available on the Energy Commission's Internet web page at www.energy.ca.gov/sitingcases/otaymesa. News media inquiries should be directed to Assistant Executive Director, Claudia Chandler, at (916) 654-4989.

This notice of receipt has been mailed to all parties that have requested to be placed on the mailing list during prefiling and to property owners located adjacent to the project site and any of the project-related facilities. By being on the mailing list, you will receive notices of all project-related activities and notices when documents related to the project's evaluation are available for review. If you want your name removed from the mailing list, please contact Luz Manriquez-Uresti, Project Secretary, at (916) 654-3928.


Copies of the AFC document are available for public inspection at the following libraries:

San Diego Public Library South Chula Vista Library Otay Mesa Branch
920 E Street 389 Orange Avenue 3003 Coronado Ave.
San Diego, CA 92101 Chula Vista, CA 91911 San Diego, CA 92154

Copies are also available at the Energy Commission's Library in Sacramento, the California State Library in Sacramento, and at public libraries in Los Angeles, San Francisco, San Diego, Fresno, and Eureka. In addition, copies will be distributed to those public agencies which would normally have jurisdiction except for the Energy Commission's exclusive authority to certify sites and related facilities.

DATE ON LINE: August 18, 1999

Energy Facilities Siting and
Environmental Protection


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