For Immediate Release: August 26, 2009
Media Contact: Michele Demetras - 916-654-4989


Review Starts for Mariposa Power Plant

SACRAMENTO - The California Energy Commission has started the review of a proposed simple-cycle electric generating facility in northeastern Alameda County.

At a regular business meeting today, the Commission voted unanimously to accept the application for certification (AFC) of the 200-megawatt Mariposa Power Plant as "data adequate."

Data adequacy means the Commission has received enough information from the applicant to begin the discovery and analysis phase of the certification process.

The Commission has named Energy Commissioner Julia Levin to lead the committee to review the project. Energy Commissioner Jeffrey Byron is the associate committee member.

The committee will ensure the project meets the Energy Commission's siting requirements, as well as those of the California Environmental Quality Act (CEQA). The Energy Commission is responsible for reviewing thermal electric power plants 50 MW and greater in California.

As lead agency under CEQA, the Commission, through its facility certification process, examines public health and safety, environmental impacts, and engineering aspects of proposed power plants and all related facilities, such as electric transmission lines and natural gas and water pipelines.

On June 15, 2009, Mariposa Energy, LLC submitted an Application for Certification for the proposed Mariposa Energy Project, which would have a nominal generating capacity. The proposed plant is located approximately seven miles northwest of Tracy and approximately three miles west of the community of Mountain House.

If approved by the Energy Commission, construction on the project would begin in April, 2011, with full-scale commercial operation targeted for July 1, 2012.

More information on the Mariposa Power Plant is available at:

# # #