For the partners in a utility merger, the celebration must wait. After opening the most delicate of dialogues, and then negotiating the price and closing the deal, the merger partners must yet gain the approval of regulators. The application may lie sealed in its FedEx pouch, safely on its way to Washington.

A TRANSFORMING EVENT

Retail sales of gas and electricity run about $300 billion a year. The deregulation of energy production, wholesale logistics, and bulk consumption has brought competition to about 40 to 45 percent of the value chain from wellhead and busbar to the retail meter.