NuStart Energy Development, LLC Members

DTE Energy, Detroit, MI (NYSE: DTE)

DTE Energy is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services nationwide. Its largest operating units are Detroit Edison, an electric utility serving 2.2 million customers in Southeastern Michigan, and MichCon, a natural gas utility serving 1.3 million customers in Michigan. The DTE Energy portfolio of businesses also includes non-utility energy businesses focused on power and industrial projects, coal and gas midstream, unconventional gas production and energy trading. In 2006, DTE Energy posted revenues of approximately $9 billion. DTE Energy subsidiaries include Detroit Edison, MichCon, DTE Energy Services, DTE Biomass Energy, DTE Energy Trading, DTE Coal Services, Midwest Energy Resources Co. (MERC), DTE Transportation Services Inc. and DTE Rail Services Inc.

Duke Energy, Charlotte, NC (NYSE: DUK)

Duke Energy, one of the largest electric power companies in the United States, supplies and delivers energy to approximately 4 million U.S. customers. The company has approximately 35,000 megawatts of electric generating capacity in the Midwest and the Carolinas, and natural gas distribution services in Ohio and Kentucky. In addition, Duke Energy has more than 4,000 megawatts of electric generation in Latin America, and is a joint-venture partner in a U.S. real estate company. Headquartered in Charlotte, N.C., Duke Energy is a Fortune 500 company traded on the New York Stock Exchange under the symbol DUK.

EDF International North America, Inc., Washington, DC (EDF-INA)

A wholly owned subsidiary of Electricité de France (EDF), EDF International North America incorporated in 1991. The EDF Group has more than 45 million customers worldwide, more than 160,000 employees and more than $45 billion in annual revenue. It owns and operates 280 megawatts of generating capacity in the US EDF is the largest nuclear generator in the world with a fleet of 58 nuclear reactors totaling more than 63,000 megawatts of generating capacity.

Entergy Nuclear, Jackson, MS, a subsidiary of Entergy Corporation, New Orleans (NYSE: ETR)

One of the nation's largest utilities, Entergy owns power plants with about 30,000 megawatts of electric generating capacity, serving 2.6 million utility customers in Arkansas, Louisiana, Mississippi and east Texas. Entergy Nuclear is the second-largest nuclear operator in the US, operating five reactors at four locations in Arkansas, Mississippi and Louisiana and the largest in the US Northeast with five reactors at four sites in Massachusetts, New York and Vermont, and provides management services to the Cooper Nuclear Station in Nebraska. Entergy Nuclear is also the nation’s largest provider of license renewal services to the US nuclear power industry and its subsidiary TLG Services is the largest provider of decommissioning services in the US.

Exelon Corporation, Chicago, IL (NYSE: EXC)

Exelon Corporation is one of the nation's largest electric utilities with approximately 5.1 million customers and more than $14 billion in annual revenues. The company has one of the industry's largest portfolios of electricity generation capacity, with a nationwide reach and strong positions in the Midwest and Mid-Atlantic. Exelon distributes electricity to approximately 5.1 million customers in northern Illinois and Pennsylvania and gas to more than 460,000 customers in the Philadelphia area. Exelon Nuclear, a division of Exelon Corporation, owns and operates 17 nuclear reactors at 10 sites in Illinois, Pennsylvania and New Jersey. Exelon is headquartered in Chicago and trades on the NYSE under the ticker EXC.

FPL Group, Juno Beach, FL (NYSE: FPL)

With annual revenues of more than $10 billion, FPL Group is focused on energy-related products and services. Its principal subsidiary, Florida Power & Light Company, serves more than 4.2 million customer accounts in Florida. FPL Energy, LLC, an FPL Group energy-generating subsidiary, is a leader in producing electricity from clean and renewable fuels, including a nuclear plant in Seabrook, NH.

Progress Energy, Raleigh, NC (NYSE: PGN)

Progress Energy provides electricity to 1.3 million customers in North and South Carolina, through utility Carolina Power & Light (doing business as Progress Energy Carolinas), and to 1.5 million customers in Florida, through Florida Power (or Progress Energy Florida). The company generates most of its energy from four nuclear plants, with fossil-fueled plants as well, and has a total capacity of about 24,000 MW.

SCANA Corporation, Columbia, SC (NYSE: SCG)

SCANA Corporation, headquartered in Columbia, S.C., is a $9 billion Fortune 500 energy-based holding company whose businesses include regulated electric and natural gas utility operations and other energy-related businesses. SCANA's subsidiaries serve approximately 610,000 electric customers in South Carolina and more than one million natural gas customers in South Carolina, North Carolina and Georgia. SCE&G, SCANA's principal subsidiary, is a regulated public utility engaged in the generation, transmission, distribution and sale of electricity to approximately 610,000 retail and wholesale customers in South Carolina. It jointly owns the 1,000 megawatt V.C. Summer Nuclear Station in Jenkinsville, S.C., with Santee Cooper, a state-owned electric and water utility. The total generating capacity for SCE&G is approximately 6,000 megawatts. SCE&G is also engaged in the purchase and sale of natural gas, primarily at retail, to approximately 292,000 customers in a service area covering more than 22,000 square miles in central and southern South Carolina.

Southern Company, Atlanta, GA (NYSE: SO)

With more than 4 million customers and nearly 39,000 megawatts of generating capacity, Atlanta-based Southern Company (NYSE: SO) is the premier super-regional energy company in the Southeast and a leading U.S. producer of electricity. Southern Company owns electric utilities in four states, a growing competitive generation company and a competitive retail natural gas business, as well as fiber optics and wireless communications. Southern Nuclear's three nuclear plants provide over 20% of the electricity used in Alabama and Georgia. Southern Company brands are known for excellent customer service, high reliability and retail electric prices that are 15 percent below the national average. Southern Company has been named three consecutive years No. 1 on Fortune magazine's "America's Most Admired Companies" list in the Electric and Gas Utility industry. Southern Company has been ranked the nation's top energy utility in the American Customer Satisfaction Index five years in a row. Southern Company has more than 500,000 shareholders, making its common stock one of the most widely held in the United States.

Tennessee Valley Authority, Knoxville, TN

America's largest public power company, with 31,658 megawatts of dependable generating capacity, TVA’s power facilities include 11 fossil plants, 29 hydroelectric dams, three nuclear plants, six combustion turbine plants, a pumped-storage facility, and 17,000 miles of transmission lines. Through 158 locally owned distributors, TVA provides power to nearly 8.5 million residents in the Tennessee Valley.

Participating as Reactor Designers and Manufacturers

GE Energy, Atlanta, GA (NYSE: GE)

GE Energy is one of the world’s leading suppliers of power generation technology, energy services and management systems with 2004 revenues of approximately $18 billion. GE Energy's nuclear business develops advanced light water reactors and provides a wide array of technology-based products and services to help owners of both boiling water reactors and pressurized water reactors safely operate and maintain their facilities with greater efficiency and output.

Westinghouse Electric Company, LLC, Pittsburgh, PA

Westinghouse Electric Company, a Toshiba Group company, has been a pioneer in the development of nuclear plant design and technology. Today, nearly half the nuclear power plants in operation worldwide, and nearly 60 percent in the United States, are based on Westinghouse technology.