BALTIMORE, Jan 16, 2007 -- Constellation Energy (NYSE: CEG) announced that its subsidiary, Constellation NewEnergy, has renewed its electricity purchase agreement with the Defense Energy Support Center on behalf of the Department of Defense.

Under the 24-month contract, Constellation NewEnergy will provide 161 megawatts of electric power to Dyess Air Force Base, Naval Station Ingleside, Fort Hood, Joint Reserve Base Navy Reserves and Naval Air Station Kingsville, Texas. The new contract begins in January 2007.

The Defense Energy Support Center's mission is to provide the Department of Defense and other government agencies with comprehensive energy solutions in the most effective and economical manner possible.

Constellation NewEnergy Vice President Rob Task said, "We are pleased that the Department of Defense's Defense Energy Support Center once again has selected us as its supplier of choice. We are proud of our track record of providing high-quality service and competitive energy to large governmental customers such as the Defense Energy Support Center and these military facilities. We use our experience and expertise in the competitive energy marketplace to help our customers better understand and manage their energy costs and usage."

John Nelson, Defense Energy Support Center Chief, Electricity and Renewables Branch, said, "The Defense Energy Support Center is looking forward to another two years of excellent contract performance from Constellation NewEnergy. It has been a successful partnership in the past and we expect the same for this follow-on contract."

Constellation NewEnergy, a member of Constellation Energy (NYSE: CEG), is a leading competitive supplier of electricity, natural gas and energy-related services to commercial and industrial customers throughout North America. Constellation NewEnergy operates in all competitive energy markets throughout Canada and the United States, providing products that enable customers to effectively manage and control energy costs. Constellation NewEnergy’s regional expertise, coupled with its national presence, provides customers with customized energy products and services while leveraging the assets of one of the strongest integrated energy companies in North America. Constellation NewEnergy, based in Baltimore, serves more than 10,000 commercial and industrial customers throughout 31 states and 3 Canadian provinces representing more than 15,000 megawatts of peak load and more than 300 billion cubic feet of annual natural gas consumption.

Constellation Energy, a FORTUNE 200 company based in Baltimore, is the nation’s largest competitive supplier of electricity to large commercial and industrial customers and the nation’s largest wholesale power seller. Constellation Energy also manages fuels and energy services on behalf of energy intensive industries and utilities. It owns a diversified fleet of more than 100 generating units located throughout the United States, totaling approximately 12,000 megawatts of generating capacity. The company delivers electricity and natural gas through the Baltimore Gas and Electric Company (BGE), its regulated utility in Central Maryland. In 2004, the combined revenues of the integrated energy company totaled $12.5 billion.