Williams Pre-Pre-Files for Southeast Supply Enhancement Project
Last November, MDN brought you the news that pipeline giant Williams had given the green light to proceed with a new Transco pipeline expansion project called the Southeast Supply Enhancement Project (see Transco Expansion to Add 1.4 Bcf/d Capacity to Flow M-U Gas South). The project was estimated to flow an extra 1.43 Bcf/d (billion cubic feet per day) of Marcellus/Utica molecules southward along the Transco pipeline system, delivering those molecules to states in the southern U.S. Since last November, Williams has upped the capacity to 1.587 Bcf/d (essentially from 1.4 to 1.6). Here’s the new news: On Feb. 1, Williams filed a request with the Federal Energy Regulatory Commission (FERC) to open a pre-filing review. In essence, Williams pre-pre-filed, giving us lots of new details about the project.
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Two related pipeline projects in southeast Virginia now have all regulatory approvals in hand, and the projects will soon begin construction. Columbia Gas Transmission (a subsidiary of TC Energy) applied with the Federal Energy Regulatory Commission (FERC) to build the Virginia Reliability Project (VRP), which includes two new compressor units and the replacement of existing pipeline. VRP will dig up, replace, and double the size of two sections, or about 48 miles, of the Columbia Gas pipeline between Chesapeake and Petersburg. Williams’ Commonwealth Energy Connector Project will feed VRP by building six miles of new pipeline within Transco’s existing right-of-way in Virginia, expanding a meter station, and building a 30,500-hp electric motor-drive compressor. Both projects received final approval by FERC in November (see 
Transcontinental Gas Pipe Line (Transco) is a natural gas pipeline that initially brought gas from the Gulf Coast of Texas, Louisiana, Mississippi, and Alabama, through Georgia, South Carolina, North Carolina, Virginia, Maryland, and Pennsylvania to deliver gas to the New Jersey and New York City area. It is owned and operated by Williams. With the advent of the shale revolution, Transco was converted to be bidirectional, flowing Marcellus/Utica gas south to as far as Texas. Transco now transports approximately 15% of the nation’s natural gas! It is a massive and vital pipeline. With the imminent start of the Mountain Valley Pipeline and an extra 2 Bcf/d flowing from the Marcellus to Transco’s Station 165 in Pittsylvania County, VA, how will Transco handle the extra volumes?
Some exciting news to share. Earlier this month, midstream giant Williams gave a green light to proceed with a new Transco pipeline expansion project called the Southeast Supply Enhancement. The project will flow an extra 1.4 Bcf/d (billion cubic feet per day) of Marcellus/Utica molecules southward along the Transco pipeline system, to deliver those molecules to states in the southern U.S. Mountain Valley Pipeline (MVP) will flow an extra 2 Bcf/d of M-U molecules to southern Virginia. Williams’ Southeast Supply Enhancement promises to flow some of those molecules further south (and southwest). This is a major new pipeline initiative that snuck up on us.
In August 2022, Columbia Gas Transmission (a subsidiary of TC Energy) filed an application with the Federal Energy Regulatory Commission (FERC) to build the Virginia Reliability Project (VRP), which includes two new compressor units and the replacement of existing pipeline (see 
Pipeline giant Williams issued its third quarter update yesterday. Among the news of interest for the Marcellus/Utica was a statement by Williams CEO Alan Armstrong that the company completed the first half of Transco’s Regional Energy Access Expansion (REAE) project well ahead of schedule (on Oct. 21). The company is working with FERC to get the completed portion of the project online and flowing asap. REAE is a plan to beef up the Transco pipeline in Pennsylvania and New Jersey to deliver an extra 829 MMcf/d of Marcellus gas to PA, NJ, and Maryland. The initial portion (now complete) will flow about half that amount (see 
According to analysts writing for S&P Global Commodity Insights, the long-range forecast from the U.S. National Weather Service calls for milder temperatures in the U.S. Mid-Atlantic region this winter. Warm temps equal less natural gas usage. Williams’ Transco Regional Energy Access Expansion (REAE) project will partially come online in October, flowing an initial 450 MMcf/d (out of 829 MMcf/d) of Marcellus gas to PA, NJ, and Maryland. More supply with less demand is a classic economic prescription for lower prices in New York, New Jersey, and the Mid-Atlantic region. So says the S&P analysts.
Two weeks ago MDN told you that eight “blue” states, including New Jersey (the Blue State Mafia), are challenging the Williams Regional Energy Access Expansion (REAE) project, a plan to beef up the Transco pipeline in Pennsylvania and New Jersey to deliver an extra 829 MMcf/d of Marcellus gas to PA, NJ, and Maryland (see 
In March, environmental radical Pat McDonnell of PennFuture, the former Pennsylvania Secretary of the Dept. of Environmental Protection (DEP), along with his best friend THE Delaware Riverkeeper, Maya van Rossum, sued McDonnell’s former agency over permits the DEP issued to Williams to build the Regional Energy Access Expansion (REAE) project (see 