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Antero Midstream’s East Side Express Expands Appalachian Gas Connectivity
10/19/2026
Antero Midstream’s Q2 2026 update is more than a quarterly results story. The stronger infrastructure angle is the start of construction on East Side Express, the company’s first intrastate regional pipeline project.
Antero Midstream said it began construction on East Side Express during the quarter. The company described it as an east-west bi-directional pipeline designed to enhance regional connectivity within its operating areas, support future dry gas growth in West Virginia, and connect low-cost supply to demand centers.
The map powered by Rextag Energy DataLink shows why that matters spatially. It places Antero Midstream’s system and acreage context inside the Appalachian gas network, with Antero Midstream pipelines, nearby long-haul and regional pipelines such as EGTS, Rover, and Columbia Gas Transmission, compressor stations, fractionators, and Marcellus / Utica shale context.
The East Side Express route is shown as an approximate location on the map. The source supports the project as an east-west bi-directional regional pipeline, but it does not provide a full detailed route alignment in the release. That is why the map uses an approximate corridor rather than treating the line as a surveyed project route.
The operating backdrop is also important. Antero Midstream said gathering and compression volumes increased 19% and 17% year over year, respectively. CEO Michael Kennedy said the company gathered over 4.1 Bcf/d of production during the quarter, a company record.
For midstream, upstream, and market intelligence teams, the takeaway is clear: East Side Express is not just a new pipeline label. It is part of Antero Midstream’s broader effort to improve optionality across its West Virginia dry gas position by connecting gathering areas with long-haul pipelines, regional systems, and local market access.
Why it matters
● Antero Midstream began construction on East Side Express in Q2 2026.
● The company describes it as its first intrastate regional pipeline.
● The project is an east-west bi-directional pipeline.
● It is intended to expand dry gas deliveries to long-haul and regional pipelines.
● It supports future dry gas growth in West Virginia.
● Antero Midstream gathered over 4.1 Bcf/d of production during the quarter.
● Gathering volumes increased 19% year over year.
● Compression volumes increased 17% year over year.
What the map shows
A West Virginia, Ohio, and Pennsylvania infrastructure view focused on Antero Midstream’s Appalachian gas connectivity.
● Antero Midstream pipelines
● approximate East Side Express corridor
● Antero acreage context
● EGTS pipelines
● Rover pipelines
● Columbia Gas Transmission pipelines
● compressor stations
● fractionators
● Marcellus and Utica shale context
The map uses surrounding infrastructure layers for context. It does not imply that every nearby pipeline, compressor station, or fractionator is owned by Antero Midstream unless specifically labeled.
A deeper dive with Energy DataLink
Using Rextag Energy DataLink, users can compare Appalachian gathering systems, regional pipelines, long-haul transmission corridors, compressor stations, fractionators, acreage positions, and shale play context in one mapped view. That helps teams understand how new pipeline projects fit into existing supply, takeaway, and demand networks.
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