Georgia natural gas calculator. Estimate your monthly bill and compare plans at your own usage.
The cheapest plan is not the same for every household, because the balance between the per-therm rate and the flat monthly service charge shifts with how much gas you burn. A calculator settles that question in seconds instead of leaving you guessing.
Open the Georgia natural gas calculator, or compare current rates at your usage — the comparison page estimates monthly cost for every plan at a usage level you choose.
Estimating a Georgia gas bill is simple arithmetic:
(per-therm rate × monthly therms) + monthly service charge
Add Atlanta Gas Light delivery charges for the full bill, but leave them out when comparing marketers — they are PSC-set and identical no matter who supplies you, so they cancel out of any comparison. See understand your natural gas bill.
Take two realistic offers. Plan A: 49.9¢ per therm, $9.95 monthly charge. Plan B: 59.9¢ per therm, no monthly charge.
The low-rate plan only pays off above a break-even usage. Below it, the flat fee dominates. This is why advice like “always take the lowest rate” is wrong often enough to cost money.
Do not guess, and do not use a national average. Your own bills have the number.
Run the comparison twice: once at your annual average and once at your January peak. If a different plan wins each time, weight toward the winter answer, because that is when the money is. Typical Georgia households land somewhere around 25 therms in summer and over 100 in deep winter, driven almost entirely by space heating — see how gas appliances work.
A common mistake is comparing plans at summer usage, when almost everything looks cheap and the differences are a couple of dollars. Winter is where the money is decided: at 120 therms a ten-cent-per-therm difference is $12 in a single month, and across a cold season that compounds into real money. If you only have time to run one comparison, run it at your January usage.
It is also worth checking the break-even point between any two plans you are seriously weighing. Divide the difference in monthly service charges by the difference in per-therm rates, and the result is the usage at which the two plans cost the same. Above that number the lower-rate plan wins; below it, the lower-fee plan does. Knowing that one figure tells you immediately which side of the line your household sits on.
Judge a fixed plan across the whole term, not a single month.
Once you know your break-even usage, comparison becomes mechanical. See every current plan with rates, terms and monthly charges side by side, or look at individual marketers like Georgia Natural Gas, Gas South or SCANA Energy. If a better plan exists, switching is free. Unfamiliar terms are in the natural gas glossary.