Producer
Expand Energy
Largest pure-play natural gas producer in the US, formed October 2024 from the merger of Chesapeake Energy and Southwestern Energy. Produces ~57 Bcf/d (~15.5% of US supply), primarily from Appalachian (Marcellus/Utica) and Haynesville basins. No ticker yet as of April 2026; shares trade under new entity.
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Facilities
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Appalachian Gas (Marcellus/Utica)
55%Haynesville Gas (Louisiana)
40%Midstream & Services
5%
Intelligence
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Did you know2024
Expand Energy produces approximately 15.5% of US natural gas supply from two basins with strategic importance beyond domestic heating and power: the Marcellus/Appalachian position supplies feedstock ethane for US petrochemical crackers (the same natural gas liquids that become polyethylene and PVC), while the Haynesville position in Louisiana supplies gas to Sabine Pass, Cameron, and Calcasieu LNG export terminals that are supplying European buyers replacing Russian gas. The same Expand Energy gas molecule that heats a Pittsburgh home in January also feeds a polyethylene cracker in West Virginia, and ships as LNG to Germany through the same company's Haynesville production. A single gas producer controls supply chains for residential heating, US chemical manufacturing feedstocks, and European energy security simultaneously -- with no segment of its customer base aware of the others.
Expand Energy Corporation ↗Origin2024
Expand Energy was formed in October 2024 from the merger of Chesapeake Energy and Southwestern Energy -- but Chesapeake itself is one of the most dramatic rise-and-fall-and-rise stories in US energy. Co-founded in 1989 in Oklahoma City by Aubrey McClendon and Tom Ward with $50,000 borrowed capital, Chesapeake became the most aggressive acquirer of shale gas acreage in the 2000s under McClendon's leadership. At its peak in 2008, Chesapeake was the second-largest US gas producer and McClendon was briefly the highest-paid CEO in the S&P 500. McClendon's aggressive leverage strategy left Chesapeake with $20B+ in debt, and the company entered bankruptcy in 2020 during COVID-related gas price collapse -- the same shale revolution that Chesapeake pioneered ultimately produced so much gas that prices collapsed to levels that made Chesapeake's debt unserviceable. The company emerged from bankruptcy, merged with Southwestern to create Expand Energy, and is now the largest pure-play gas producer in the US -- controlling approximately 15% of US natural gas supply.
Expand Energy Corporation ↗Concentration2024
Expand Energy was created in October 2024 by the merger of Chesapeake Energy and Southwestern Energy — instantly becoming the largest pure-play natural gas producer in the US at ~57 Bcf/d (~15.5% of US supply). Both predecessor companies had previously filed for bankruptcy (Chesapeake in 2020; SWN restructured in 2009). The combined entity controls the largest single position in both the Appalachian (Marcellus) and Haynesville basins.
Expand Energy Corporation ↗