Gather the most recent 12 months consumption and cost data from monthly and quarterly invoices. If you have more than one supply of electricity, gas, water, oil.., add these up to give a total figure for each utilities.
Major Uses:
3. Mains Water
When considering water costs, include the cost of the water to sewer (as effluent) as well as the cost of the incoming water supply. both costs are shown on your bill. water and effluent costs vary country wide.
Major uses:
4. Vehicle Fuels
Include different types of petrol, diesel, oil, LPG, etc used for vehicles including fork-lift trucks and all cars/commercial vehicles.