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Gulf South's Westlake gas pipeline expansion passes FERC environmental review

The staff of the Federal Energy Regulatory Commission said Gulf South Pipeline Co. LP's Westlake natural gas pipeline expansion would not have serious environmental impacts.

In a Feb. 27 environmental assessment, FERC Office of Energy Projects staff found that a commission approval of the proposed project, with mitigation measures, would not be a major federal action that would significantly affect the environment. The project is designed to provide up to 200,000 Dth/d of firm transportation capacity for a 994-MW Entergy Louisiana LLC gas-fired, combined-cycle electric generation plant, the Lake Charles Power Station, for an initial term of 20 years. Entergy Louisiana is an Entergy Corp. company.

Gulf South, a Boardwalk Pipelines LP company, submitted an abbreviated application for the $56.2 million project in July 2017. The company asked FERC to approve the project by May 15 so it could begin construction in the fall and put the project in service by Aug. 1, 2019.

Project facilities would include the 10,000-horsepower Westlake compressor station, less than a mile of 16-inch-diameter pipeline, a delivery meter station and a new receipt meter station on a Gulf South site. The project would be built and operated in Calcasieu Parish, La. (FERC docket CP17-476)

In January, FERC authorized Gulf South to begin construction on an expansion for another Entergy power plant, the St. Charles Power Station in St. Charles Parish, La. (FERC docket CP16-478)

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