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.
If your abdomen is swollen because of gas, try avoiding foods that are known to cause gas, such as beans and cruciferous vegetables like broccoli and cabbage. Avoid drinking carbonated drinks and drinking out of a straw. Eating slowly can also help prevent you from swallowing air, which leads to gas.