Adelphia Gateway LLC has started partial service on its brownfield natural gas pipeline expansion project moving Marcellus Shale supply to growing demand markets in eastern Pennsylvania and beyond, pipeline flow data shows.
Adelphia started flowing on Monday, moving natural gas supply from the Quakertown meter station through the Marcus Hook facility to the Tilghman meter. Receipts at the Texas Eastern Transmission Co. West Rockhill interconnect are at around 8.1 MMcf/d, while deliveries at Peco Energy Co.’s Tilghman interconnect are at 8 MMcf/d, according to Wood Mackenzie.
However, flows are expected to ramp up, Wood Mackenzie analyst Devin Cao said. “This partial service will deliver 31.5 MMcf/d from the West Rockhill receipt to the Peco-Tilghman delivery point,” which is subscribed by Peco and parent company Exelon Corp.
The Adelphia Gateway Phase II project is around 93% completed, with most of the remaining work still to be done at the Quakertown compressor station, Cao said. The meter station portion of the Quakertown facility already is operational and flowing gas to the south zone.
FERC granted Adelphia a certificate for the expansion project in late 2019 in a 2-1 vote after it secured the permits needed to begin construction from the Pennsylvania Department of Environmental Protection. It started pre-construction activities in the fall of 2020.
Part of the pipeline was already moving gas to two power plants in Northampton County, PA, but the expansion repurposes the southern segment to move additional volumes. The system – which once delivered oil to a refinery near Philadelphia – has been designed to move 175,000 Dth/d on Zone North A, 350,000 Dth/d on Zone North B and 250,000 Dth/d on Zone South.
In January, the Federal Energy Regulatory Commission granted Adelphia an extension until June 2023 to complete the entire project. The pipeline developer cited regulatory delays, the ongoing Covid-19 pandemic and supply chain issues in its request for an extension. However, Cao said it seems more likely that the project would come online before the end of this year.
“This project is important for the Northeast region, as it connects gas supply from the Marcellus to growing southern Pennsylvania, Delaware and New Jersey markets,” he said. “Once placed into full service, the South Zone facilities can provide up to 250 MMcf/d of firm transportation service.”
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