nbc 5 investigates April 29, 2021 5:30 pm NBC 5 Investigates Which Power Plants Left Texans Powerless in February Texas power companies promised to fix problems to prevent more power outages during a winter storm in 2011. But it happened again this year. Wake Up to Something Good 0:51 Dallas city's new building permit office closed due to building issues 4:14 Dallas City Council briefed on Vision Zero 3:05 Dallas City Council holds briefing for Vision Zero plan 4:34 DART considers relocating bus stops 3:30 Dallas residents hear plan to address speeding, red light running along dangerous road