Texas asked residents to conserve power for four consecutive days amid intense heat
The grid operator asked Texans to reduce power use from 4 p.m. to 9 p.m. Sunday to avoid a power-supply emergency.
By Emily Foxhall, The Texas Tribune
The state's grid operator asked Texans to conserve electricity for the fourth consecutive day Sunday as intense heat threatened to cause a power-supply emergency. It's the sixth such request …