ERCOT June 23, 2021 6:00 pm NBC 5 Investigates: Why ERCOT's Winter Forecasting Miss May Spell Summer Trouble NBC 5 Investigates shows how ERCOT underestimated the amount of power Texans would need in the winter and how that could spell trouble this summer. Wake Up to Something Good 3:16 Speeds lowered on two dangerous Dallas roadways highlighted in NBC 5's Driven to Death series 4:19 Driven to Death: Lowering speed limits in Dallas 3:06 Dallas City Council votes to lower speed limit on US 75 Central Expressway 7:03 Loop 12 in Dallas has highest traffic deaths in city so far 2:37 Crash that left teen dead happened on deadly stretch of Dallas road