Transco Throttles Southbound M-U Molecules to Work on SESE Project

Williams’ Transco Southeast Supply Enhancement Project (SESE) is a 55-mile, 42-inch-wide pipeline that will run through Pittsylvania County, Virginia, and Rockingham, Guilford, Forsyth, and Davidson counties in North Carolina. Construction for SESE started March 2, 2026, according to FERC filings. Transco (Williams) received its final federal authorization and a Notice to Proceed, and crews mobilized in early spring. Initial activities have included tree felling, installation of acoustic barriers, and test drilling in preparation for blasting. Antis finally gave up trying to block construction of SESE in June (see Antis Give Up Trying to Block Permit for Transco SESE Pipeline). Now comes word that Williams will "throttle back" southbound natural gas flows on the Transco system for most of the summer to accommodate work on SESE.

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