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| Orange & Rockland Utilities Inc. A subsidiary of Consolidated Edison Inc., distributing natural gas and electricity to New York, New Jersey and Pennsylvania. |   |
| Florida Power & Light Florida-based, investor-owned, electricity provider and distributor. |   | |
| Wellsboro Electric Company Subsidiary of American Electric Power (AEP). |   | |
| Upper Peninsula Power Company Subsidiary of American Electric Power (AEP). |   | |
| Nevada Power Company independent natural gas distribution and transportation company in New Jersey and subsidiary of New Jersey Resources Corp. |   | |
| Nantahala Power and Light Wholly owned subsidiary of The National Grid Group, a global, U.K.-based company involved in the management of electricity delivery systems and the development of telecommunications networks. |   | |
| Island Energy Energy services company that owns and operates businesses in power generation; project development; asset-based energy marketing; and retail gas and electric distribution services. |   | |
| Central Illinois Light Company CMP delivers over 9 billion kilowatt-hours of energy a year to more than 540,000 electric customers. |   | |
| Duke Power Company Provider of electricity and customer service to customers living in North Carolina and South Carolina. |   | |
| Exelon Enterprises Provider of energy supply and infrastructure services, including integrated communications, thermal technologies and energy-efficient offerings. |   | |
| Portland General Electric Co. A subsidiary of Enron Corp, providing water, coal and gas powered electricity generation and distribution. |   | |
| Colorado Springs Utilities Provider of electric, gas, water and wastewater services. |   | |
| Energy East Subsidiaries include NYSEG, Connecticut Energy Corp., CMP Group, CTG, Berkshire, Energy East Enterprises and Xenergy. A regional energy services and delivery company in the Northeast. |   | |
| Tucson Electric Power Company Subsidiary of American Electric Power (AEP). |   | |
| National Grid USA Wholly owned subsidiary of The National Grid Group, a global, U.K.-based company involved in the management of electricity delivery systems and the development of telecommunications networks. |   | |
| Montana-Dakota Utilities Co. Energy resource provider, electricity distribution, including coal mining and oil & gas production and distribution. |   | |
| CONVEX State-of-the-Art Transmission Control Center for Connecticut and Western Massachusetts; this site contains a real-time power advisory sytem for Connecticut |   | |
| Xcel Energy is a utility holding company with six public utility subsidiaries. Xcel Energy Inc. |   | |
| Western Massachusetts Electric Company Engages in the generation, transmission, distribution and sale of electric energy Wisconsin and Michigan. |   | |
| Utilities Fix errors, crashes, corruptions and make PC boot and run faster! |   | |
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