Light Out by Gryta and Mann follow up by focusing on the Immelt years and how he tried to keep the ball rolling despite the hole that Jack left him in. Also an excellent read.
Sounds like Power Failure covers a lot of the same material as these two earlier books perhaps with some historical material.
Many people have tried to run the same playbook with some success, but Welch had unique resources that let him continue the game far longer than anyone else.
As an aside, Gelles publisher made him add a hopeful last chapter on the social benefit corporate movement and the few corps that were able to resist welchism just so the book wouldn’t leave the reader feeling hopeless!