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<br />The Federal generation capacity is obtained from <br />hydroelectric developments situated, for the most part, <br />on the main stem of the Missouri River. The total <br />capacity of the Federal supply in 1965 was 2.3 million <br />kilowatt J, with an average annual generation of about <br />I I billion kilowatt-hours. In order to integrate the major <br />hydroelectric plants and to connect them with their <br />loads, an extensive transmission network has been <br />constructed between them and major power systems. <br /> <br />Steamplants, using coal and gas as fuels, generate the <br />major portion of electric energy in the region. There are <br />numerous small diesel plants, but these account for a <br />negligible portion of the current capacity. <br /> <br />The gas turbine is increasing in importance in some <br />areas as a source of peaking and emergency supply, but <br />in this application it is expected to be only a small part <br />of the total capacity. <br /> <br />There are several small plants utilizing lignite as a <br />boiler fuel for steam-electric generation. By the mid- <br />1960's two large lignite plants in the order of 200 <br />megawatts each were located in the lignite fields in <br />North Dakota. It has been estimated that a large <br />development of lignite-burning thermal-electric plants <br />will be constructed in the lignite fields from which <br />transmission lines of extra high voltage (EHV), in the <br />order of 345 kilovolts, will be constructed to transmit <br />their outputs to distant load centers. The region is now <br />served by transmission lines of 115,138,161, and 230 <br />kilovolts. The first 345-kilovolt line in the Missouri <br />Region was built from Kansas City to Wichita and <br />energized at 138 kilovolts in 1967 and at 345 kilovolts <br />in early 1968. Also a 345-kilovolt line is being con- <br />structed between Ft. Thompson, S. Dak. and Grand <br />Island, Nebr. which will interconnect with 230 and 345 <br />kilovolt lines to be constructed by non-Federal entities. <br /> <br />'Total capacity in 1966 was 2.7 million kilowatts. <br /> <br /> <br />Bagnell Dam on the Osage River Impounds the Popular Lake of the Ozarks and Provides Hydroelectric Power <br /> <br />46 <br />