Symbol EXC

Exchange NYSE

52 Week High $60.91

52 Week Low: $37.85

Exelon Corporation is a utility holding company. Its subsidiaries are engaged principally in the production, purchase, transmission, distribution and sale of electricity to residential, commercial, industrial and wholesale customers and the distribution and sale of natural gas to residential, commercial and industrial customers.

Power producers, like Exelon, that have nuclear generation and are selling into power markets are generating sizable returns due to the continued rise in the cost of natural gas. This company has tremendous upside potential and is an excellent choice to lead one's utility portfolio.

Symbol CPN

Exchange NYSE

52-Week High $7.29

52-Week Low: $1.55

Calpine Corporation is a leading independent power company that is dedicated to providing wholesale and industrial customers with clean, efficient, natural gas-fired power generation. It generates and markets power through plants it develops, owns, leases and operates.

Calpine is an aggressive independent power producer, with an excellent outlook for future growth and share appreciation. The high price of natural gas is helping out companies' earnings/profits across the utility group.

Symbol ETR

Exchange NYSE

52 Week High: $54.38

52 Week Low: $32.12

Entergy Corporation is engaged in domestic utility operations, power marketing and trading, global power development, and domestic non-utility nuclear operations. It is a major integrated energy company engaged in power production, distribution operations and related diversified services. Entergy is also a leading provider of wholesale energy marketing and trading services, as well as an operator of natural gas pipeline and storage facilities. It also founded The Power of America Fund to offer educational assistance to the children of 9/11 victims.

Symbol PGN

Exchange NYSE

52 Week High: $51.38

52 Week Low: $32.84

Progress Energy, Inc. is primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North and South Carolina and Florida and the transmission, distribution and sale of natural gas in portions of North Carolina.

The company provides these and other services through its business segments - electric, natural gas and other. Headquartered in Raleigh, Progress is a Fortune 250 company with $8 billion in annual revenues.