Marcellus Shale gas to help power natural gas-fired power plant

The Pennsylvania Department of Environmental Protection (DEP) issued an air quality plan approval to Moxie Liberty LLC of Vienna, Va., for construction of a 936 MW power plant in Bradford County, Pa. to run at least partially on Marcellus Shale gas. DEP also issued an industrial stormwater permit for the plant and gave approval for the use of water as drinking water.

The project consists of two power blocks, each containing a combustion gas turbine and a steam turbine. Each combined-cycle process will be able to generate up to 468 MW of electricity and will also include a heat recovery steam generator (HRSG) and supplemental duct burners. Waste heat from the turbine generators will be converted to steam in two HRSGs and piped to the turbines. A large air-cooled condenser will convert the steam to condensed water that will be sent back to the HRSGs.

As part of the plan approval, Moxie was also required to perform air quality analyses and submit them to DEP for review. The agency determined that the proposed emissions from the plant will not cause or significantly contribute to air pollution in violation of national ambient air quality standards.

“This power plant will benefit the environment and the economy by using a cleaner fuel and creating hundreds of jobs,” DEP Secretary Mike Krancer said. “It is a win-win and another landmark moment in the long history of Pennsylvania’s leadership role in producing and delivering energy for our nation.”

Moxie expects that construction of the plant will create 500 jobs at its peak, with an average of 200 workers. About 30 permanent, highly paid technical jobs will be available once construction is complete. Moxie officials estimate that construction will take between two-and-a-half and three years.

Moxie Patriot LLC, a sister company to Moxie Liberty LLC, has applied for an air quality plan approval for a similar facility to be built in Lycoming County, Pa. That application is currently under review.

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