Why restructure an electricity monopoly state?

"Retail restructuring" (or "deregulation") means changing from a monopoly electricity system to one that allows for retail competition and consumer choice of electricity provider and rate plan.  Below is the WHAT, WHY and HOW of it.

Residents and businesses in about 20 states enjoy some form of electricity choice.

WHAT are the key elements of "retail restructuring"?

WHY would a monopoly state want retail competition and consumer choice?

HOW could retail restructuring be implemented?

For more detail, see "The Case to Study Retail Choice" (submitted to PUC docket no. 17M-0694E).