Cousins to the gladiola, these are hardy plants that produce clumps of green sword-shaped leaves, with tall, arching spikes of funnel-shaped blossoms appearing in mid to late summer.
The 10 biggest U.S. electric utilities visualized. Duke Energy's merger with Progress Energy, completed in July 2012, created the largest electric utility in the United States. In fact, two of the three largest U.S. utilities are the result of recent mergers. Exelon, third on the list of the 10 biggest U.S. utilities, merged with Constellation Energy in March 2012. Duke will now service 7 million retail customers across six states.
The global energy consultancy PFC Energy has published the top 50 energy companies of the world for 2009 based on market cap. PetroChina (NYSE:PTR), the integrated National Oil Company [NOC] of China, is the highest ranked company with a market cap of $353 B. PetroChina beat last yearâs winner of the top spot ExxonMobil (NYSE:XOM) of the U.S.