For Immediate Release: November 23, 2010
Media Contact: Sandy Louey - 916-654-4989


Staff assessment workshop be held November 29 on Mariposa Energy Project

SACRAMENTO - The California Energy Commission staff will hold a public workshop on its staff assessment on the proposed 200-megawatt Mariposa Energy Project in northeastern Alameda County.

When: Monday, November 29, 2010, beginning at 1 p.m.

Where: Byron Bethany Irrigation District, 7995 Bruns Rd, Byron, California

Arrangements have been made for people unable to attend to participate by phone:

Why: The workshop will provide an opportunity for all interested parties and the public to discuss the staff assessment, which was published November 8. It will also provide an opportunity for all parties to work towards resolving any outstanding issues. Based on the discussion from the workshop, written comments received on the staff assessment, and additional information, the Energy Commission staff will revise the staff assessment where needed and issue a supplemental staff assessment.

What: The planned Mariposa Energy Project is a natural gas-fired, simple-cycle peaking facility with a generating capacity of 200 megawatts. The project, which is being proposed by Mariposa Energy, LLC, would be located in Alameda County about seven miles northwest of Tracy, seven miles east of Livermore, six miles south of Byron, and about 2.5 miles west of Mountain House.

The proposed project site is in an unincorporated area designated for agricultural use. The project is consistent with all county land use requirements. The facility would be located southeast of the intersection of Bruns and Kelso roads on a 10-acre portion of a 158-acre parcel south of the Pacific Gas & Electric Company's Bethany Compressor Station and Kelso Substation.

If approved, construction would begin in mid-2011, with commercial operation starting July 2012.

More information on the proposed project is at:

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