Electricity Sales  

Description	2010	2009	Increase (Decrease) %
Total Sales (GWh)	4 782,0	4 655,8	2,7
Unbilled consumption (GWh)	7,8	8,4	(7,1)
Average charge per kWh sold (cents)	16,232	13,473	(20,5)
Average Charge per kWh unbilled (cents)	13,72	12,355	11,0
Consumers on Year-End	535 050	520 030	2,9