 Houston's largest electric utility, we have a problem. Following Hurricane Beryl, which knocked out power to 2 million people, Houston residents discovered that Centerpoint Energy had no real-time outage map on its website. But a social media post suggested people look at the app of regional fast food chain Whataburger to see which locations were open or closed during business hours, and that caught on. Centerpoint Energy is promising to improve its outage information. Stocks up, Dow gaining a third of a percent, NASDAQ and S&P up a half.