Gas South vs Georgia Natural Gas

The two largest marketers in Georgia, and the comparison most households are actually making. Both are long-established, both file every month, and the gap between them has been remarkably one-sided.

Gas South has been the cheaper of the two in 74 of the 87 months since January 2019 when both filed a standard 12-month fixed plan.

This month, Gas South is cheaper by $31 a year: $1,106.22 against $1,137.29, on the same annual-cost method as every plan on this site.

Side by side, September 2026

Gas South and Georgia Natural Gas on the Georgia PSC's September 2026 fixed chart, standard 12-month plans. Source: PSC September 2026 fixed chart.
	Gas South	Georgia Natural Gas
Rate per therm	0.6900	0.7190
Service charge at sign-up	$6.95	$7.99
Estimated annual cost	$1,106.22	$1,137.29
Early termination fee	$150.00	up to $100
Based in Georgia	Yes	Yes
Owner	Cobb EMC	Southern Company
PSC complaints, 24 months	212	416
Google rating	4.8 (6,881 reviews)	not listed

The record since January 2019

Months each marketer filed the cheaper standard 12-month fixed plan, by estimated annual cost, from the Georgia PSC's monthly charts. Ties are gaps under half a cent a year.
Marketer	Months cheaper	Share	Months filed since 2019
Gas South	74	85%	88
Georgia Natural Gas	13	15%	88

Gas South has been the cheaper of the two for 7 consecutive months, up to September 2026.
The widest the two have been apart was August 2022, when Gas South was $102.48 a year cheaper.
Both filed a standard 12-month fixed plan in 87 of the months we have published; Gas South filed in 88 months overall and Georgia Natural Gas in 88.

Neither is necessarily the cheapest plan in Georgia: the full table ranks all of them, and how to read a head-to-head record explains what this page can and cannot tell you. Figures as filed with the Georgia PSC; the archive behind the record is history.csv. The Georgia Public Service Commission does not rank or endorse marketers.

Before you switch

All guides

Which plan type to choose
The six kinds of natural gas plan a Georgia marketer can sell you, what each one actually commits you to, and who each is genuinely for.
How to switch marketer
What switching gas marketer in Georgia actually involves: the 19th-of-the-month deadline, what it costs to leave a contract early, and what does not change at your house.
Pool groups and availability
Atlanta Gas Light's system is split into nine geographic pool groups, and marketers restrict some of their best plans to the Atlanta ones. Here is how to tell whether a rate is open to you.