Natural gas and NGL production growth in the Marcellus/Utica slowed and then leveled off in the early 2020s, largely due to gas-pipeline takeaway constraints. Still, the Northeast remains a key supplier of natural gas and NGL “purity products,” and Energy Transfer’s NGL pipelines and Philadelphia-area marine terminal continue to play critical roles in balancing the region’s ethane and LPG markets. In today’s RBN blog, we continue our series on the U.S.’s robust-and-growing networks of NGL pipelines, fractionators and export terminals, this time with a look at Energy Transfer’s Mariner West and Mariner East pipeline systems and the company’s Marcus Hook terminal.

