In addition to the failure of some major baseload providers, another point missed was that the grid management was hampered by an out of date control system tha

In addition to the failure of some major baseload providers, another point missed was that the grid management was hampered by an out of date control system that didn't have ways to micromanage brownouts. Typically you might have the ability to shutdown 75% of the grid in a crisis (while maintaining power to critical facilities (hospitals, water supplies). If you've only got the ability to shut down 40% of the grid, your ability to control the crisis decreases.