Constellation NewEnergy Providing Support for Canada's First Solar Park

The largest competitive supplier of electricity to businesses in North America will support The Sunpark Challenge, an initiative to develop Canada's first solar park.

Guelph, Ontario, Feb 12 , 2007 ó Constellation Energy (NYSE: CEG) today announced that its subsidiary, Constellation NewEnergy, the largest competitive supplier of electricity to businesses in North America, will support The Sunpark Challenge, an initiative to develop Canada's first solar park.


"We believe that caring for the environment is essential to the well-being of our company, our employees and the global community at large," said Kelly Lorincz, vice president, Ontario Region, Constellation NewEnergy. "Our support of The Sunpark Challenge demonstrates our commitment to promoting renewable energy to our customers and indicates our interest in taking a leadership role in renewable energy supply."

Constellation NewEnergy will provide marketing support to The Sunpark Challenge, which will use solar photovoltaic panels to convert sunlight into clean, non-polluting electricity for use in homes, schools and businesses in Ontario.

"Companies like Constellation NewEnergy will become known as the pioneer innovators who brought solar energy to Canada," said Richard Mash, president of Sunpark Energy Corp. "Their involvement not only helps us build the solar park, but supports the growth of the solar power industry in Canada for everyone's benefit."

About The Sunpark Challenge:
The Sunpark Challenge invites Canadian corporations to help create a better planet for future generations by sponsoring the solar panels that make up the solar park. Companies that sponsor the project receive advertising and promotional opportunities in recognition of their contribution to the environment. For more information, visit www.sunpark.ca.

About Constellation Energy:
Constellation NewEnergy (http://www.newenergy.com), a wholly owned subsidiary 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 14,000 commercial and industrial customers throughout 37 states and five Canadian provinces representing nearly 17,000 megawatts of peak load and more than 350 billion cubic feet of annual natural gas consumption.

For more information, contact:

Richard Mash
Sunpark Energy Corp.
519-780-3271
rmash@sunpark.ca

Kelly Lorincz
Constellation NewEnergy
416-595-5556
kelly.lorincz@constellation.com

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