Transco , a subsidiary of Williams Partners , delivered a record 15.58 million dekatherms ( dth ) of natural gas to the US Eastern Seaboard and Gulf islands in January , and set a new three - day record of 14.90 million dth in the same month , despite the cold weather . Alan Armstrong , CEO of Williams ##co said the successful delivery was down to the milestone reached by expansion projects in 2017 - known as the Big Five . Transco is set to add to its 900 mile pipeline network this year , with two projects adding 1.9 million dth of extra capacity .
Transco, a subsidiary of Williams Partners, delivered a record 15.58 million dekatherms (dth) of natural gas to the US Eastern Seaboard and Gulf Coast in January, and set a new three-day record of 14.90 million dth in the same month, despite the cold weather. Alan Armstrong, CEO of Williams Partners said the successful delivery was down to the capacity added by expansion projects in 2017 - known as the Big Five. Transco is set to add to its 10,200 mile pipeline network this year, with two projects adding 1.9 million dth of extra capacity.