enXco and Xcel Energy Sign O&M Agreement for the Grand Meadow Wind Project

Escondido, CA.—July 7, 2008—enXco Service Corporation (eSC)- an EDF Energies Nouvelles Company, announced today a multi-year Operations and Maintenance Service Agreement with Xcel Energy for Xcel's 100.5 MW Grand Meadow Wind Project located near Austin, Minnesota in Mower County. enXco Service Corporation will provide operations and all necessary maintenance for the 67 GE 1.5 MW turbines and balance of plant equipment, as well as providing "24/7" remote monitoring and fault resets from their Operations Control Center located in Pipestone, Minnesota.

Grand Meadow Wind Project, under construction by enXco Development Corporation on behalf of Xcel Energy, is expected to be fully operational by the end of 2008. The agreement brings the total number of turbines, under enXco Service Corporation contract, to 3,864 representing 2,143 Megawatts.

"We are pleased to have been selected by Xcel Energy to provide these important services for their Grand Meadow Wind Project, and to be involved with them in bringing new economic growth to this region of Minnesota. This project puts enXco Service Corp at more than 1,000 turbines currently under Operations & Maintenance contract in the Midwest, and we anticipate continued strong growth in this region well into the future," stated Larry Barr, Vice President of Operation & Maintenance. "We believe eSC's 20 years of wind plant O&M experience coupled with Xcel's dedication to high quality power plant operations can only result in a successful outcome."

Xcel Energy was a pioneer in wind energy development in the Midwest, and the Grand Meadow wind project helps solidify Xcel Energy's position as the nation's No. 1 wind power provider in the nation, as ranked by the American Wind Energy Association. Owning the asset also is important in ensuring the company's ability to comply with the state of Minnesota's aggressive Renewable Energy Standard, which requires Xcel Energy to add 2,600 megawatts of new wind resources to its system by 2020, over and above the 1,300 megawatts of wind resource planned to be on line by the end of 2008.

About enXco, an EDF EN Company

enXco, Inc. (www.enxco.com) an EDF-EN Company (www.edf-energies.nouvelles.com) develops, constructs, operates and manages renewable energy projects throughout the United States. For more than two decades, we have been a leader in wind-energy focusing on large-scale wind projects. Today enXco's portfolio includes solar and biomass technologies, in an effort to help drive our nation's transition to a sustainable energy economy. enXco is a significant owner and developer of wind-energy installations in the United States, and is the largest third-party operations & maintenance provider for wind farms in North America.

About Xcel Energy

Xcel Energy (NYSE: XEL) is a major US electricity and natural gas company with regulated operations in eight Western and Midwestern states. Xcel Energy provides a comprehensive portfolio of energy-related products and services to 3.3 million electricity customers and 1.8 million natural gas customers through its regulated operating companies. Company headquarters are located in Minneapolis. More information is available at www.xcelenergy.com.

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