Nuclear Power Use Nuclear power accounts for about 17 to 20% of the U.S.A. power generation and there are controversy over its use and if it should be continued into the future.  At present our nuclear power plants are aging, needing more repair, and may be coming dangerous to the surrounding neighborhood where each plant was built.  Terrorism, cost, and the disposal of nuclear waste are three of the many factors that are blocking the licensing of new Nuclear Power Plants.  The existing Nuclear Power Plants are being phased out and by 2050 - 2080 we shall no longer have Nuclear Power Plants in the U.S.A..  Thus, it is imperative that new energy sources are created, sources like the BorderTransportationSystem's solar and wind energy generation. Index of ... Nuclear power in the United States - Wikipedia Nuclear power plants prepare for old age