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Notice of Second Staff Groundwater
Workshop for the
CPV Sentinel Energy Project (07-AFC-3)

The California Energy Commission staff will conduct a second groundwater workshop for the CPV Sentinel Energy Project (Sentinel), which will be following up discussions initiated at staff's June 12, 2008 groundwater workshop. The project applicant (CPV Sentinel, LLC) submitted a supplement to the Application for Certification (AFC) on February 19, 2008 setting forth a revised water plan. The purpose of this workshop is to discuss the applicant's "Revised Water Supply Plan" with an emphasis on the proposed pumping of groundwater for the Sentinel project's wet cooling system and the recharge of the Mission Creek groundwater subbasin with Colorado River water.

PLEASE NOTE: If you are planning to attend this meeting, be aware that there may be traffic congestion and delays due to repair work on Interstate 5 in the downtown Sacramento area. Information on road closures and alternate routes is available at the Fix I-5 website at http://www.fixi5.com/ or call 511 to receive information in English and Spanish. Please make your travel arrangements accordingly.

All interested agencies and members of the public are invited to participate. The workshop will be held:

FRIDAY, JUNE 27, 2008
9:00 to 11:00 a.m.
CALIFORNIA ENERGY COMMISSION
4th FLOOR NORTH CONFERENCE ROOM
1516 NINTH STREET, SACRAMENTO, CA
(Wheelchair Accessible)

CONFERENCE CALL IN NUMBER
(Toll Free) 877-352-5208 (Passcode 63692)

Background

CPV Sentinel, LLC submitted an AFC to the California Energy Commission on June 25, 2007, to construct and operate a simple-cycle (peaking) power plant. The proposed Sentinel project would be a nominally rated 850 megawatt (MW) electrical generating facility that would encompass 37 acres of land situated within unincorporated Riverside County, California, adjacent to the Palm Springs northern city limits. The proposed project consists of eight natural gas-fired General Electric (GE) LMS100 combustion turbine generators operating in simple-cycle mode. The project would supply quick-start peaking capacity, energy, and ancillary services for the California Independent System Operator's Los Angeles Basin Local Capacity Requirement Area.

Purpose

The Energy Commission staff is currently analyzing CPV Sentinel, LLC's AFC for the proposed development of the Sentinel project. The applicant will be presenting a model developed by their consultants for the Sentinel project‘s proposed groundwater use. The groundwater flow model was developed to evaluate the net effects of project-specific pumping and recharge volume and timing variations of the relative groundwater levels in the subbasin. The groundwater flow model was constructed using MODFLOW, a groundwater modeling program developed by the United States Geological Survey (McDonnald and Harbaugh, 1988) with the application of the United States Department of Defense Modeling System (GMS), Version 6.0 which provided the graphical interface to the updated version, MODFLOW 2000 (Hill et al, 2000). The Sentinel project's groundwater flow model is described in the Technical Memorandum, Model Documentation, Proposed CPV Sentinel Energy Project, June 2007, submitted to the California Energy Commission as Appendix R-1 of the Sentinel AFC. Additional groundwater flow model simulations filed with the Energy Commission in the winter of 2007/08 are described in the Technical Memorandum, Additional Groundwater Flow Model Scenarios, Proposed CPV Sentinel Energy Project, January 2008, submitted to the California Energy Commission as Appendix B of the Responses to Date Requests (35, 38, 43, 50, 60, and 62 through 65) in January 2008 (see web link for documents below).

The applicant's presentation will consist of an explanation of the groundwater model construction, assumptions, parameters, and results. There will be time for questions and answers at the end of the presentation. Following the workshop, the Commission staff will independently evaluate the model and resulting conclusions on potential groundwater impacts, if any. This evaluation will be included in the Preliminary Staff Assessment.

Public Participation

The Energy Commission's Public Adviser's Office provides the public with assistance in participating in Energy Commission activities. If you want information on how to participate in this proceeding, please contact Nick Bartsch of the Public Adviser's Office at (916) 654-4489 or toll free at (800) 822-6228, by FAX at (916) 654-4493, or by e-mail at pao@energy.state.ca.us. If you have a disability and require assistance to participate, please contact Lou Quiroz at (916) 654-5146 at least five days in advance of the workshop.

Questions

General information and documents on the proposed project are available on the Energy Commission's website at http://www.energy.ca.gov/sitingcases/sentinel/index.html. Please direct your technical or project schedule questions to Bill Pfanner, Energy Commission Project Manager, at (916) 654-4206, or by email at bpfanner@energy.state.ca.us. News media inquiries should be directed to the Energy Commission's Media Office at (916) 654-4989, or by email at mediaoffice@energy.state.ca.us. The status of the proposed project, copies of notices, an electronic version of the AFC, and other relevant documents are also available on the Energy Commission's Internet web site. You can also subscribe to receive email notification of all notices at http://www.energy.ca.gov/listservers/.



Date Posted: June 17, 2008 ENERGY RESOURCES CONSERVATION AND
DEVELOPMENT COMMISSION
 

________/signed/_______
Terrence O'Brien, Deputy Director
Energy Facilities Siting Division

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