How the U.S. can keep the power on during extreme weather

A brutal winter storm knocked out power for millions of people in Texas last week, forcing residents across the state to suffer through days of frigid weather without heat or electricity.

The specific causes of the disaster in Texas are complex. They include everything from frozen gas lines to unexpected power demand to the state’s uniquely isolated electric grid. But experts say the blackout is also part of a much broader problem: U.S. power systems that have proven incapable of holding up to extreme weather.

Texas is by no means...