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05/01/2006 10:19 AM Generation IV reactors (Gen IV) are a set of theoretical nuclear reactor designs currently being researched. These designs are generally not expected to be available for commercial construction before 2030. Current reactors in operation around the world are generally considered second- or third-generation systems, with the first-generation systems having been retired some time ago. Research into these reactor types was officially started by the Generation IV International Forum (GIF) based on eight technology goals. The primary goals being to improve nuclear safety, improve proliferation resistance, minimize waste and natural resource utilization, and to decrease the cost to build and run such plants. An Integrated Nuclear Energy Model is central to standardized and credible economic evaluation of Generation IV nuclear energy systems. The innovative nuclear systems considered within Generation IV require new tools for their economic assessment, since their characteristics differ significantly from those of current generation II and III nuclear power plants. The current economic models were not designed to compare alternative nuclear technologies or systems but rather to compare nuclear energy with fossil alternatives. Generation IV: Nuclear Energy Systems Deployable no later than 2030 and offering significant advances in sustainability, safety and reliability, and economics Generanonl Early Prot ~ Shippingp resden, Fi Magno eranon TV Ganeredon @+ Evolutionary Ossigns Offenng ~ Highly improved Economical Ecomomes + Enhanced Sefety + Protferapon Revaan Highly Economical + Enhanced Sefety > Minimal Waste + Protferabon Reastan Magno diferaton rustan = LWRPWR, BWR System 30+ Page 1 of 5 Generation IV reactor - Wikipedia, the free encyclopedia Generation IV reactor From Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Generation_IV_reactor