3. 250 km Bus 2 DFW 500 km Bus 6 COAL 300 km Bus 7 WIND 400 km Bus 3 UT Bus 1 HOU 150 km 300 km Bus 4 SA No Wind (Good Wind) 400 km • Summer Peak, 3 kW per person, 20 million people, 60 GW • Winter Peak, 80% of Summer Peak • Spring/Fall Peak, 50% of Summer Peak • Nightime, 50% of Daily Peak • Approx 5% losses Bus 5 VAL • Positive-sequence line constants for each 345kV circuit: • R = 0.06 Ω/km per conductor • L = 1 µH/m • C = 12 pF/m • Rating = 800 A per conductor