...The company benefits from strong regional positioning in areas with increasing demand for natural gas.Southern Natural Gas Co. LLC (SNG) is geographically well positioned as it delivers natural gas in expanding markets. Alabama, Georgia, and South Carolina are increasing their gas-fired power generation, and SNG has benefited as the principal natural gas transporter in those states. High degree of fee-based activity results in predictable cash flow. As about 90% of SNG's transportation revenue is derived from fixed reservation charges based on contractual quantities, the company benefits from a high degree of visibility in terms of cash flow. Most counterparties are highly rated utilities.SNG's main shippers are utilities rated in the 'A 'category. The largest customer, Southern Co. (A-/Negative/A-2), represents about 45% of revenues. While this results in some counterparty concentration, it is offset by the shippers' overall high credit quality....