You can sum up your usage data into these buckets to get a total cost. 3) Option 3: using the Genability Calculator. This is by far the easiest option. The calculator takes in actual usage data such as what you would get from a meter reading and calculates the cost of a tariff.
To prevent excessive gas, it may help to: 1  Avoid the foods that affect you most. 2  Common offenders include beans, peas, lentils, cabbage, onions, broccoli, cauliflower, whole-wheat bread, mushrooms, and beer and other carbonated drinks. 3  If dairy products are a problem, try low-lactose or lactose-free varieties.
It's helpful to figure out what's causing your gas so you can better know what to do to prevent it. For example, if you notice that your gas seems to be caused by: Eating a lot of beans, try using products like Beano just before eating.