Mariner East

Mariner East Permit Modifications OK’d as Pennsylvania Regulator Calls for Public Outreach

Mariner East Permit Modifications OK’d as Pennsylvania Regulator Calls for Public Outreach

The Pennsylvania Department of Environmental Protection (DEP) has approved Sunoco Pipeline LP’s requests to modify permits at three horizontal directional drill (HDD) sites for its Mariner East natural gas pipeline system. The DEP announced the approval earlier this week, which alters the pipeline developer’s erosion and sediment control, as well as the “water obstructions and…

September 24, 2020
Pennsylvania Orders Mariner East Reroute, Cites ‘Careless’ Actions by Sunoco

Pennsylvania Orders Mariner East Reroute, Cites ‘Careless’ Actions by Sunoco

Citing adverse impacts at a horizontal directional drill (HDD) site in southeastern Pennsylvania, the state’s Department of Environmental Protection (DEP) has ordered Sunoco Pipeline LP to reroute part of its Mariner East (ME) system. Sunoco will need to “take all steps necessary, including the submission of appropriate applications and supporting materials for permit amendments,” to…

September 14, 2020
Pennsylvania Orders Mariner East Reroute, Cites ‘Careless’ Actions by Sunoco

Pennsylvania Orders Mariner East Reroute, Cites ‘Careless’ Actions by Sunoco

Citing adverse impacts at a horizontal directional drill (HDD) site in southeastern Pennsylvania, the state’s Department of Environmental Protection (DEP) has ordered Sunoco Pipeline LP to reroute part of its Mariner East (ME) system. Sunoco will need to “take all steps necessary, including the submission of appropriate applications and supporting materials for permit amendments,” to…

September 14, 2020
Sunoco Cleared to Restart Mariner East Work in Pennsylvania After Appeal Granted

Sunoco Cleared to Restart Mariner East Work in Pennsylvania After Appeal Granted

An administrative law judge has allowed Sunoco Pipeline LP to resume horizontal directional drilling (HDD) on a stretch of its Mariner East pipeline system in southeast Pennsylvania, overturning an order from state regulators that stopped construction last week. Sunoco appealed the order to the Pennsylvania Environmental Hearing Board (EHB), which oversees decisions made by the…

August 27, 2020
Sunoco Challenging Mariner East HDD Stoppage in Southeast PA

Sunoco Challenging Mariner East HDD Stoppage in Southeast PA

Sunoco Pipeline LP is challenging a recent directive from state regulators to suspend work on a horizontal directional drill (HDD) in Chester County, PA, needed to complete parts of its embattled Mariner East pipeline system. A prolonged construction stoppage at the site in West Whiteland Township, dubbed HDD 360, creates “a significant risk of adverse…

August 25, 2020

Pennsylvania Regulators Probing Latest Sinkhole on Mariner East System

In what’s become a regular occurrence, yet another sinkhole has opened near the Mariner East (ME) pipeline system in southeastern Pennsylvania, prompting state regulators to again launch an investigation, but unlike previous incidents, service has not been interrupted.

September 18, 2019
ME 1 Outage Stretches Into Second Week as Sinkhole Investigation Deepens

ME 1 Outage Stretches Into Second Week as Sinkhole Investigation Deepens

The Mariner East (ME) 1 pipeline remains offline more than a week after service was stopped in response to yet another sinkhole that formed in southeast Pennsylvania, compounding problems for the system as the state oversees additional geophysical tests and the public outcries grow louder.

January 30, 2019

Appalachian Pipeline Service Disrupted Indefinitely by Tetco Blast, ME 1 Outage

Enbridge Inc. said Wednesday that there is no timeline for returning to service a section of its Texas Eastern Transmission (Tetco) system that was badly damaged in an explosion this week in southeast Ohio.

January 23, 2019
Limited Service Starts on Sunoco’s Mariner East 2 Pipeline

Limited Service Starts on Sunoco’s Mariner East 2 Pipeline

After roughly two years of delays, Energy Transfer LP (ET) said partial service started Saturday on the Mariner East (ME) 2 pipeline.

January 2, 2019
Energy Transfer Sees No Legal Basis for Mariner East Criminal Investigation

Energy Transfer Sees No Legal Basis for Mariner East Criminal Investigation

The Chester County District Attorney’s Office in southeast Pennsylvania said Wednesday it has opened a criminal investigation into the construction of the Mariner East (ME) 1, 2 and 2X pipelines in a move that surprised project owner Energy Transfer LP, which pledged to fight back.

December 20, 2018
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