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© 2005, George Gross, UIUC
TRANSMISSION  BOTTLENECKS:  EASTERN  INTERCONNECTION
size of transmission paths
<   1 GW
1 GW £                    £   3 GW
>   3 GW
Source: DoE National Transmission Grid Study, May 2002
80% and greater
percentage of hours congested
60% to 79%
40% to 59%
20% to 39%
10% to 19%