Williams is the plumbing of American natural gas. Its Transco system — the largest interstate gas pipeline in the US — runs from the Gulf Coast to New York City and moves roughly a third of the gas the country burns. It gathers gas from shale producers, ships it on long-term fee-based contracts to utilities, power plants and LNG exporters, and is now building gas-fired power plants directly behind the meter for AI data centres.
Williams is the road, not the cargo
Williams rarely owns the gas it moves. Producers hand it raw gas, Williams gathers and processes it, then ships it on Transco and its other pipelines to utilities, power plants and LNG exporters — charging a fee for the journey. That fee-based, take-or-pay model is why its cash flow barely flinches when gas prices swing.