Energy Transfer LP (ET) is in the process of converting a portion of the Mariner East natural gas liquids (NGL) pipeline to refined products to capture price blowouts between Chicago and New York markets this winter.


Newly named Co-CEO Mackie McCrea told investors during the third quarter earnings call last Wednesday the repurposed portion of the eight-inch diameter Mariner 1 line is expected to be in service by the end of the year. The conversion to refined products “should provide significant upside revenue for an asset that doesn’t limit us for what we can do with the remaining portions of the Mariner system.”

Mariner East consists of three pipelines that move NGLs from processing facilities in Ohio, Pennsylvania and West Virginia to the Marcus Hook Industrial Complex...