EXHIBIT 71. CHRONOLOGY OF THE DISCOVERY AND DEVELOPMENT OF NUCLEAR POWER GENERATION Basic Research and Investigation: 1896: Henri Becquerel observed the emission of spontaneous radiation for uranium. 1898: Pierre and Marie Curie conducted further investigations of radioactive elements. 1900: Max Planck developed a quantum theory. 1905: Albert Einstein postulated the theory of relativity. 1911: Ernest Rutherford defined the concept of the atomic nucleus. 1914: Experiments with the conversion of matter to energy demonstrated the validity of Einstein's equations. 1930-32: The neutron was discovered and confirmed. 1932: The "cascade" gaseous diffusion principle for separation of Isotopes was discovered. 1936: Niels Bohr formulated the theory of neutron capture and nuclear disintegration. 1938: Atomic disintegration of uranium (fission) was discovered by Hahn and Strassman. 1942: The first practical demonstration of controlled nuclear chain reaction took place at the University of Chicago. Incubation Period: 1943: The Oak Ridge reactor for producing plutonium was placed In operation. 1943: The reactors at Hanford for producing uranium were put in production. 1943: A gaseous diffusion plant to separate U23* from U** was constructed. 1945 : The first atomic bomb was exploded. 1946: The Atomic Energy Act of 1946 (the civilian control bill) was passed by Congress. 1948-56: Experimental nuclear reactors for naval applications were developed and tested. 1951: The industry participation program to encourage development of power reactors was established. 1951-53: Construction of the AEC's first series of experimental reactors was begun. Commercial Development: 1954: A 60,000 kilowatt unit at Shippingport, Pa., jointly financed by Duquesne Light Co, of Pittsburgh and the Atomic Energy Commission, was announced. 1954: The Atomic Energy Act of 1954, with strong encouragement for private development of nuclear power generation, was passed by Congress. 1955: Commonwealth Edison, Consolidated Edison, and Yankee Electric announced plans to build full scale nuclear power generation plants. Commercial Growth: 1960: Electrical power was first generated by the 210,000 kilowatt Dresden nuclear generating plant of Commonwealth Edison. 1960: The 185,000 kilowatt Yankee plant was placed in commercial operation. 1962: The 275,000 kilowatt Indian Point nuclear power plant owned by Consolidated Edison was placed in operation. 1963: A 495,000 kilowatt plant was announced by Connecticut-Yankee for completion in 1967. 1965: A 800,000 kilowatt Dresden-II plant due to be completed in 1969 was announced. 1965: A second plant (1,000,000 kilowatt-hours) by Consolidated Edison to be in operation by 1969 was announced.
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