Sunoco Says ME1 Ready to Restart, but PUC is Dragging its Feet

Ethane and propane had been flowing through the converted Mariner East 1 (ME1) pipeline safely for more than year, hauling the two natural gas liquids (NGLs) from southwest PA all the way to the Marcus Hook refinery near Philadelphia. However, ME1 was suddenly switched off on March 3 by order of the Pennsylvania Public Utility Commission (PUC) after a sinkhole opened up under the pipeline in Chester County, exposing some of the bare steel to the open air (see PA PUC Shuts Down Mariner 1 Pipeline Due to Mariner 2 Sinkhole). Sunoco Logistics Partners, the owner of ME1, is building a new set of pipelines called Mariner East 2 (ME2) close to the existing ME1. Construction work in the area on ME2 led to the sinkhole that exposed ME1. The PUC shut down ME1 until further notice, requiring Sunoco to conduct a study of the area and provide the PUC with evidence to reassure them that ME1 is OK and will not leak or explode. Sunoco conducted the study, provided its results, and has told the PUC it’s time to restart ME1. But the PUC is dragging its feet, taking its time to review Sunoco’s work, and in no particular hurry to restart ME1–even though the outage is impacting the drilling program at companies like Range Resources…

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