U.S. Natural Gas Pipeline Capacity Increased by 6.3 Bcf/d in 2025 Natural gas pipeline projects completed in the United States in 2025 increased capacity by approximately 6.3 billion cubic feet per day (Bcf/d), according to the U.S. Energy Information Administration’s Natural Gas Pipeline Projects Tracker. A substantial portion, 85%, or 5.3 Bcf/d, of this new …