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nuclear phase - is a great thing but where does the electricity??

Either we burn coal, gas, wood or oil - but of all that we do not have much and it is very strong and polluting the environment is driving forward the greenhouse effect.

If we in Germany want to produce our own energy consumption - and the high is huge - then does it currently only by building new, safer nuclear power plants. Otherwise, we must continue our electricity from other countries - namely those that produce nuclear energy - Introduction. That would be the demise of the Federal Republic to the emerging nation. The need to know the Germans.

We do let the German physicist has to say:

German physicist log in to the debate the energy future of the country to speak: old reactors should be replaced with modern, safer reactors. The renunciation of nuclear power is just as absurd as longer terms for old nuclear power plant. There is also criticism of the solar industry.

It was jinxed: Since Monday, about 2000, German researchers discussed in Bonn on particle physics, gravity and new concepts for power generation. And just for the presentations of the Energy Working Group of the German Physical Society (DPG) kept falling from the mobile microphone. "I prefer to speak without," said one speaker, visibly annoyed enough that the battery door fell off again and the small channel the energy adopted.

The current problems in the little ones were for some participants in the DPG Annual Conference symptomatic of the situation, is located in the country. "Germany is not an energy and climate policy blueprint," said the expert fusion Keilhacker Martin, former head of the European fusion laboratories Jet in Oxfordshire. In addition to the long-term energy research spent too little money, because politicians want quick solutions. "As investment is too early to market developments," complained the head of the DPG-energy working group.

deems questionable Keilhacker example, the massive subsidies for photovoltaic systems in Germany, recently at least somewhat reduced . The technology is too expensive. Hackers wedge colleague Hardo Bruhns from the DPG-Energy Working Group raises the solar industry even before, even hard to invest more in research and development. "The expenditure for this recently reached only 1.5 percent of sales," Bruhns said in an interview with SPIEGEL ONLINE. This was compared to other high-tech industries far too little.

"old power plants shut down and building new reactors"

The current debate about German atomic power plants goes to wedge Hackers opinion in the wrong direction. "Actually you should to shut down old power plants and build new reactors, "he said in an interview with SPIEGEL ONLINE. New power plants are undoubtedly safer and more efficient. should the new building made possible at the sites of old nuclear plants." We are of the Energy Working Group no nuclear power proponents, "said the retired Professor. one must not increase the share of nuclear power in Germany. I am getting rather to keep him.

Gerhard Luther of the Centre Future Energies at the University of Saarbrücken urged that renewable energy can not replace nuclear power, but coal-fired power plants. " We have in the fight against climate change is not much time, "said Luther. had seen Rational to build new nuclear power stations in Germany.

is politically difficult to implement the requirement, however - this is known physicist Even the conservative-liberal government wants to extend the maximum maturity of nuclear .. The word dare hardly a new politician to take by mouth. Too large, the resistors in the population - not least because of various incidents such as in Krümmel and Brunsbüttel.

is undisputed the pro-nuclear position but are not in the DPG-Energy Working Group. Moritz Riede from the Technical University of Dresden, the organic solar cell research, warns of a renaissance of nuclear power. "If we set the world on trying is the risk of proliferation, "he said in an interview with SPIEGEL ONLINE." Who can enrich uranium for a nuclear plant, it can also accumulate far enough for nuclear weapons. That is the dilemma in Iran and all other states that rely on nuclear power, including its own uranium enrichment. "

disposal problem remains unsolved

Another problem was the final disposal." There are still no final repository for highly radioactive waste that is already in operation or its operating record, "said Riedel. moreover, are limited global uranium supplies. Because of the increasingly complex ore would also reduce carbon dioxide emissions per kilowatt-hour of nuclear power in future . Rise So-called fast breeder reactors, which could be much more effective use of nuclear fuel would, in all probability too late for the necessary CO2 savings. Moreover, it is the preferred fuel plutonium ideal for nuclear weapons and highly toxic.

fact that currently employ only a few German physicists to nuclear fission, also underlined the program of the Bonn-DPG meeting. were several presentations on topics such as solar energy, the desert Desertec power project, nuclear fusion and battery technology. Only a single unit focused on new reactor design.

Wolfgang Dams of nuclear power producer Areva NP reported mainly on new security systems the European pressurized water reactor (European Pressurized Water Reactor, EPR). Would be available worldwide for four orders, two in China, one in France and Finland. "Rising prices for fossil fuels, nuclear power more attractive," says Dam. The renunciation of nuclear power is an aberration. Nuclear energy could solve the energy problem of humanity, but not alone, he said.

nuclear plant construction in Finland financial disaster

threatens how difficult the new construction can be a nuclear power plant, the EPR project shows in Olkiluoto, Finland. The flagship project of the first third-generation nuclear reactor, at the same time the most powerful reactors in the world, threatens to become a financial disaster . After various periods contracting and manufacturing companies are hopelessly divided, with completion delayed for years. Critics of the consortium, which also includes Areva, before bungling. Concrete is porous, cracked steel, and some design principles are so daring that they let the experts at the Finnish nuclear regulatory cringe.

And even though at present in countries like the USA or Italy is talk of a renaissance of nuclear power is questionable whether this actually happens. For the construction of a new kiln itself can bring large energy companies in financial trouble if something goes wrong. It also recognizes Areva Manager Dams: "It comes to cost five billion euros." A building will be worth no more, if there was a delay and the construction time would be too long.

experts Citibank have recently investigated the possibilities of new reactors in a study. Their conclusion: Without help from the state - due to power price guarantee or the assumption of construction risks - is hardly a private company investing in new nuclear power plant. The uncertainties are too large, they say.

And so do the German power companies new plans are not even seriously considered. Instead, they focus more on run-time extensions to the already long written-off nuclear power.

Which are not as safe as a modern-type EPR reactors that will endure even crashes of commercial aircraft - but they are a highly profitable.