Southern Power Nears Permits on 920-MW Gas-Fired Peaker in Texas

 Southern Power Nears Permits on 920-MW Gas-Fired Peaker in Texas

Southern Power is nearing final permit decisions from the Texas Commission on Environmental Quality (TCEQ) for the Jackson County Generating Facility, which is a 920-MW, gas-fired peaking project to be located in Jackson County.
The commission posted to its website on Jan. 26 a notice, dated Jan. 22, that Southern Power is seeking a Proposed Air Quality Permit and Prevention of Significant Deterioration (PSD) Air Quality Permit that would authorize construction of the Jackson County Generating Facility at a property located south of Lundquist Road at the intersection of Texas County Road 710 and Lundquist Road at Ganado in Jackson County. This application was submitted to the TCEQ in July 2014.
The commission's executive director has determined that the emissions of air contaminants from the proposed facility which are subject to PSD review will not violate any state or federal air quality regulations and will not have any significant adverse impact. All air contaminants have been evaluated, and “best available control technology” will be used for the control of these contaminants. The executive director has completed the technical review of the application and prepared a draft permit which, if approved, would establish the conditions under which the facility must operate.
The project will consist of four natural gas-fired simple-cycle combustion turbines (CTs), five fuel gas heaters and a firewater pump engine. The CTs planned for this project are the Siemens F5 model, each with a nominal maximum gross electric power output of approximately 230 MW, totaling a nominal 920 MW for the whole project.
The available NOx control technologies for simple-cycle CTs are selective catalytic reduction (SCR), dry-low NOx (DLN), or ultra-low NOx combustors, water injection, use of clean fuels, and good combustion practices. Southern Power is proposing to use DLN burners to control NOx emissions to 9.0 parts per million volume dry (ppmvd) at 15 percent oxygen (% O2), on a rolling three-hour average for these simple cycle peaking CTs which will operate 2,500 hours per year at baseload for each CT.

This article was republished with permission.

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