Power Plant Licensing Case
06-AFC-06 (Application For Certification)
Project Status: Project Denied: October 8, 2008.
Committee that oversaw Original Licensing Proceeding:
Jeffrey Byron, Commissioner, Presiding Member
Hearing Officer: Susan Gefter
- 9/22/06 - Application for Certification (AFC) filed with California Energy Commission
- 11/8/06 - Commission accepts Application as complete and "data adequate."
- 8/17/07 - Preliminary Staff Assessment is released.
- 11/9/07 - Final Staff Assessment is released.
- 6/20/08 - Presiding Member's Proposed Decision is released.
- 8/29/08 - Revised Presiding Member's Proposed Decision is released.
- 10/8/08 - Full Energy Commission denies license and certification for project, thus terminating the proceeding.
GENERAL DESCRIPTION OF PROJECT
On September 22, 2006, Eastshore Energy, LLC, a wholly-owned subsidiary of Tierra Energy, submitted an Application for Certification (AFC) to construct and operate a simple-cycle (peaking) power plant, the Eastshore Energy Center (Eastshore), in the City of Hayward.
The proposed Eastshore site is located at 25101 Clawiter Road in the City of Hayward, Alameda County, in an area zoned for industrial uses. The proposed facility would be a nominal 115.5 megawatt (MW) simple cycle power plant consisting of 14 Wartsila 20V34SG natural gas-fired reciprocating engine generators and associated equipment. The Eastshore project is designed as a peaking facility to meet electric generation load during periods of high demand which generally occur during daytime hours and more frequently during the summer than other portions of the year. The project is expected to have an annual capacity factor of approximately 45 percent, depending on weather-related customer demand, load growth, hydroelectric supplies, generating unit retirements and replacements, the level of generating unit and transmission outages, and other factors.
The proposed Eastshore facility would use approximately 1.6 acre-feet of potable water per year for engine cooling and other power plant processes, site landscape irrigation and potable and sanitary uses. A closed loop engine cooling system would reduce the requirement for water and result in consumption of approximately 1.0 gallons per minute during plant operation. The City of Hayward would supply potable water for the project through an existing connection immediately adjacent to the project site under a contract with the City of San Francisco's Public Utilities Department.
Sanitary wastewater would be discharged to the Hayward city sewer system via an existing onsite sewer connection. Process wastewater would be tested for potential contamination and under normal conditions, would also be discharged to this sanitary sewer line. If the wastewater composition is determined to exceed allowable discharge limits, it would be transported off site for treatment and disposal.
The Eastshore facility would be connected to Pacific Gas & Electric's (PG&E) electrical system at the existing Eastshore Substation which is located approximately 1.1 miles south of the project site. This connection will require a new single circuit overhead 115-kiloVolt (kV) line that will run contiguously in an existing PG&E 12kV distribution corridor. The connection may also require widening the existing right of way and replacing 10 to 12 transmission poles with structures designed to accommodate both the 12kV and 115kV transmission lines.
Natural gas would be supplied to the Eastshore facility via a 200-foot pipeline connection to PG&E's Pipeline 153 that is on the opposite side of Clawiter Road from the Eastshore site.
Air emissions from the proposed facility would be controlled using best available control technology applied to each engine's exhaust. Each system would consist of a selective catalytic reduction unit for oxides of nitrogen (NOx) control and an oxidation catalyst unit for carbon monoxide (CO) and precursor organic compounds (POC) control. Final permitting by the Energy Commission would reflect conformance with rules and regulations of the Bay Area Air Quality Management District (BAAQMD) and include the issuance of a Determination of Compliance from BAAQMD.
Assuming the Eastshore facility receives a license from the Energy Commission by December 2007, construction of the project would start in early spring 2008 and continue for approximately 18 months. Plant testing and commercial operation are scheduled to begin during the latter months of 2008. Full operational capability is anticipated by May 2009.
Energy Commission Facility Certification Process
The California Energy Commission is the lead agency (for licensing thermal power plants 50 megawatts and larger) under the California Environmental Quality Act (CEQA) and has a certified regulatory program under CEQA. Under its certified program, the Energy Commission is exempt from having to prepare an environmental impact report. Its certified program, however, does require environmental analysis of the project, including an analysis of alternatives and mitigation measures to minimize any significant adverse effect the project may have on the environment.
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