Columbia Gulf Transmission gathers gas in the Gulf of Mexico and brings it to Columbia Gas Transmission. It is owned by TransCanada Corporation. Its FERC code is 70.[1]
It is one of the principal interstate pipelines running in the western segment of the Southwest-to-Northeast corridor for gas supply, along with the Tennessee Gas Pipeline and the Texas Eastern Transmission Pipeline.[2]
They produced the largest peak-day delivery volume in the region of 1,700,000,000 cubic feet (48,000,000 m3) per day.[2] In 1995, they operated at near 100% year-round.[2]