On August 14, 2003, the largest blackout in North American history swept through the northeastern part of the United States and eastern Canada. Lights went out in an area of about 9,300 square miles, costing an estimated $6 billion and affecting 10 million people in Ontario, Canada, and 40 million people in eight U.S. states. To some entrepreneurs, the grid's failure smelled like money. But are the big utilities buying? Red Herring has some answers.
Power
