El Paso Pipeline Partners, L.P. engages in the interstate storage and transportation of natural gas in the United States. The company owns 100% interest in Wyoming Interstate Company, L.L.C. (WIC), an interstate pipeline transportation business primarily located in Wyoming and Colorado; Southern LNG Company, L.L.C. (SLNG), which owns an LNG storage and regasification terminal near Savannah, Georgia; Elba Express Pipeline Company (Elba Express), an interstate pipeline company, which is located in Georgia and South Carolina; and Southern Natural Gas Company (SNG), an interstate natural gas company located in the southeastern United States. The company also owns 86% interest in Colorado Interstate Gas Company (CIG), an interstate pipeline company that is located in the Rocky Mountains. As of December 31, 2011, WIC throughput included 179 billion British thermal units per day transported by WIC on behalf of CIG; CIG’s storage capacity included 7 billion cubic feet (Bcf) of storage capacity; SNG’s storage capacity included 29 Bcf of storage capacity associated with its 50% ownership interest in Bear Creek Storage Company, LLC; and LNG storage capacity included approximately 11.5 Bcf equivalent and approximately 1.8 Bcf per day of peak send-out capacity. El Paso Pipeline GP Company, L.L.C. serves as the general partner of the company. The company was founded in 2007 and is headquartered in Houston, Texas.