All Rights Reserved to Shmuel Oren Scale of Regional Transmission Organizations (Cover half the states and 70% of load ) CAISO (1998) Population: 30 Million Peak Load: 45,500MW Annual Total Energy: 236,450GWh Generation Capacity: 52,000MW Average Net Imports: 6,500MW (Peak 8,300MW) Wholesale Average price: $56.7/MWh Annual Wholesale Market: $14 Billion PJM (1999) Population: 51 million Peak load: 144,644 MW Annual Total Energy: 729,000GWh Generating capacity: 164,905 MW Transmission lines - 56,250 miles Members/customers - 450+ Annual Wholesale Market: $40 Billion ERCOT (2001) (not under FERC) Population: 18 Million (85% of Texas) Peak Load: 63,000MW Annual Total Energy: 300,000GWh Generation Capacity: 80,000MW Average Net Imports: Non Wholesale Average price: ~$70/MWh Annual Wholesale Market: $20 Billion
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