ENERGY REQUIREMENTS 
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Year

1997

1998

1999

2000

2001

2002

2003 2004
Self Generated 1,081 973 854 1,056 837 1,056 922 1,056
Energy Purchased from  Furnas 3,512 3,927 4,163 4,284 4,203 4,275 4,967 3,830
Energy Purchased from Itaipu 1,775 1,764 1,768 1,763 1,606 1,742 1,796 1,796
Energy Purchased from other 33 145 211 409 184 129 500 1,572

Total

6,401 6,809 6,996 7,512 6,790 7,202 8,185 8,254
Losses  and differences- GWh 599 612 648 732 723 838 997 1,076
Losses  and differences- % 9.30 8.60 9.13 9.59 10.38 11.4 12,2 13.0
Peak load (MWh/h) 1,001 1,053 1,079 1,125 1,138 1,127 1,199 1,212