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In 2025, the United States will see a 6.3 Bcf/d increase in natural gas pipeline capacity, with 5.3 Bcf/d (85%) aimed at LNG export terminals on the Gulf Coast. Most of the new pipelines will connect the South and Central regions.

Intrastate pipelines will represent 65% of the new capacity, continuing the trend of greater intrastate than interstate expansion. Significant projects include the Louisiana Energy Gateway and New Generation Gas Gathering systems, which together contribute 3.5 Bcf/d. The Haynesville shale region is expected to account for two-thirds of the increase in domestic gas production, projected to rise to 122.3 Bcf/d by 2027, driven by demand for LNG exports and fuels for data centers.