Xcel Energy, Colorado's largest electricity and natural gas company, is the nation's number-one provider of wind-generated electricity through Windsource®. Xcel Energy delivers industry-leading innovation, renewable energy, and conservation programs. The company recently announced Boulder, Colo. will be its first fully integrated Smart Grid City, beginning this summer. The potential benefits of the Smart Grid City include operational savings, customer-choice energy management, better grid reliability, greater energy efficiency and conservation options, increased use of renewable energy sources, and support for plug-in hybrid electric vehicles and intelligent-home appliances. More information is available at www.xcelenergy.com.