Notes: · Data are final. Commercial or industrial billings are generally determined by the level of demand and consumption of electricity rather than by consumer economic activity. Average monthly usage in kilowatthours is calculated by dividing the megawatthours by 12(months), dividing the results by the number of consumers, and multiplying by 1000 (to convert to kilowatthours). The average revenue is calculated by dividing the revenue by the megawatthours, then multiplying by 100 (to convert to cents). The average monthly bill is calculated by dividing the revenue by 12(months), dividing the result by the number of consumers, and multiplying by 1000 (to convert to dollars and cents).
Source: Energy Information Administration, Form EIA-861, "Annual Electric Utility Report", and calculated from the data shown in Tables 14, 15, 16, and Appendix C. of the Electric Sales and Revenue (DOE/EIA-0540) for the appropriate year.