Energy Transfer Partners LP , Dallas, (NYSE: ETP) has added 875 million cubic feet per day of capacity to the partnership’s existing transmission lines with the completion of two gas pipeline projects.

The 42-inch Carthage Loop pipeline in Texas and the 36-inch San Juan Loop in New Mexico are an integral part of the partnership’s overall expansion efforts to increase the take away capacity of its pipeline systems.

The 32-mile Carthage Loop pipeline originates near Minden, Texas, and ends near Carthage, Texas, provides customers with an additional 500 million cubic feet per day of capacity out of the Barnett shale and Bossier Sands production areas. The Carthage Loop connects to the partnership’s intrastate pipeline network which provides customers with access to major market hubs in Texas, including the Carthage Hub.

The previously announced 160-mile, 42-inch Texas Independence Pipeline, scheduled to be completed in the third quarter of 2009, will connect to the Carthage Loop.

The 26-mile San Juan Loop pipeline expansion provides an additional 375 million cubic feet per day of capacity to Transwestern Pipeline Co. ’s existing San Juan Lateral pipeline, bringing its total capacity to 1.6 billion cubic feet per day. Transwestern Pipeline is a subsidiary of Energy Transfer Partners. The 131-mile San Juan Lateral pipeline extends from Ignacio, Colo., to Thoreau, N.M., and transports natural gas out of the San Juan Basin producing area located in northwestern New Mexico and southwestern Colorado.

The San Juan Loop is the first phase of the previously announced Phoenix Expansion project that also includes the construction of a new 260-mile Phoenix Lateral pipeline designed to serve both residential and industrial customers in the high-growth Phoenix market. The Phoenix Lateral is expected to be in service before the end of the year.

Energy Transfer Partners has pipeline operations in Arizona, Colorado, Louisiana, New Mexico, and Utah, and owns the largest intrastate pipeline system in Texas. JAS