Electricity Sales  

Description	2008	2007	Increase (Decrease) %
Total Sales (GWh)	4 555,8	4 298,3	6,0
Unbilled consumption (GWh)	8,5	7,9	7,6
Average charge per kWh sold (cents)	16,178	12,719	27,2
Average Charge per kWh unbilled (cents)	15,859	11,0	44,2
Consumers on Year-End	500 489	476 500	5,0