Utility usage data of a customer in numeric form provided by the utility meter data collection system in usage intervals of not less frequent than daily intervals is received, along with billing-related data of the customer. The received utility usage data of the customer is converted from numeric form to a graphical form that shows the total daily usage information for a calendar period that matches that for the printed utility bill of the customer. The graphical form is printed on the printed utility bill or on a paper suitable for use as an insert accompanying the printed utility bill to be mailed to the customer. In another embodiment, electricity usage data of the customer is received, along with electricity generation data regarding quantity and percentages of a utility's total electricity generation attributable to at least two the following electricity generation sources: Natural Gas-Baseload, Natural Gas-Peaking, Coal, Hydro, Nuclear, and Renewable. Information is derived regarding proportion of the customer's actual electricity usage attributable to the sources of electricity generation from the electricity generation data and the electricity usage data. Preferably, the carbon emissions attributable to the customer's actual electricity usage is calculated and presented to the customer.