Jeremy Blackman
Since the February power outages, Texas legislators have been busy weighing a host of improvements for the state’s grid, from weatherizing equipment to shaking up oversight to partnering with the billionaire investor Warren Buffett on new emergency-use power plants.
But hardly any of them have focused on what some believe could be a more widespread fix: plugging into other U.S. power supplies.
While Texas has long opposed opening its grid to avoid federal oversight, and …