It provides distribution and metering to more than 1.6 million residential, commercial, and industrial customers in 243 communities throughout the state of Georgia.

The company was originally the direct provider of natural gas, becoming a regulated monopoly under the Georgia Public Service Commission (PSC).

[1] The move was generally regarded as a failure, as it was not shown to have reduced prices for consumers, only making it more complicated for them to choose among 19 different marketers selling the same gas going through the same pipes as before.

AGL's retail division is Georgia Natural Gas (GNG), and is one of around a dozen remaining resellers.

This allows liquid natural gas (LNG) to be pumped into the system, providing a backup source in case hurricanes or other problems interrupt service from Louisiana.