Newsletter XXVI 2022
26. to ... June
|Current news+||Background knowledge|
This PDF file contains an almost complete list of accidents and releases of radioactivity that have become known...
Excerpt from the PDF file for this month:
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Radioactive water leaked into the Baltic Sea from an interim storage facility.
On June 29, 2005, radioactive water from the interim storage facility for low and medium-level radioactive waste in the Swedish Forsmark NPP entered the Baltic Sea. Ten times the normal level of radioactive cesium was measured in the waters near the power station. According to the Swedish Radiation Protection Institute SSI, however, this is still within the permissible limits. Corroded tin containers with radioactive waste were probably to blame for the leak.
Prime Minister Kretschmann makes it clear that the nuclear power plants in Baden-Württemberg should be taken off the grid regularly. And he sharply criticizes his coalition partner, the CDU.
In the dispute over extending the lifetime of nuclear power plants, Prime Minister Winfried Kretschmann (Greens) has clearly distanced himself from his own coalition partner. "You can't get anywhere with headlines alone," he said. "It's just not how the CDU imagines it."
In addition to the legal framework and the plans of the energy suppliers, who had prepared for the shutdown date, the Prime Minister also cited security concerns. Actually, the periodic general inspections of the nuclear power plants should have been pending for a long time. This usually happens every ten years. For the Neckarwestheim II nuclear power plant, which will be running until the end of the year, the last general inspection was carried out in 2009...
The declared goal of the federal government is to accelerate the expansion of wind energy in Germany with the Wind-an-Land-Gesetz (WaLG). However, the draft passed by the federal cabinet in mid-June has met with severe criticism. The project developer Juwi sees the danger that the expansion of wind energy will come to a standstill by the end of 2026.
With the passing of the Renewable Energy Sources Act (EEG), the expansion corridors and tender volumes will be readjusted to the 80 percent green electricity target by 2030. With the Wind-an-Land-Gesetz (WaLG), which was passed in the cabinet on June 15, 2022, the federal government is also planning further decisive decisions, which are also to be passed in parliament before the summer break. While the EEG amendment sets clear expansion goals and is backed by expansion paths, Juwi sees an urgent need for correction of the Wind-on-Land Act ...
The peace organizations International Doctors for the Prevention of Nuclear War (IPPNW) and the International Campaign to Ban Nuclear Weapons (ICAN) mobilized for a week of protests against US nuclear weapons in Germany at the beginning of July. A press release on Monday said:
With the war in Ukraine, the fear of a nuclear war grows. A recent survey shows that for the first time a slim majority of respondents are in favor of keeping US nuclear weapons in Germany. At the same time, however, only twelve percent are in favor of modernization and an increase in space - but this modernization process is already in full swing. New US nuclear weapons are expected to be stationed in Germany from 2023.
With the IPPNW and ICAN action week from July 5 to 10, 2022, we are clarifying the current modernization this year and showing that the bombs make Büchel and Germany a potential target for a conventional or nuclear attack ...
EU minister on ban on combustion engines
The EU Council of Ministers is voting today on the planned ban on new cars with combustion engines from 2035. Germany's position was recently disputed in the traffic light coalition. Environment Minister Lemke wants to vote yes, but expects long negotiations.
The EU Commission wants it, as does the European Parliament: the end of new cars with combustion engines from 2035. Today, the EU environment ministers are dealing with the increasingly controversial issue.
Environment Minister Steffi Lemke expects difficult negotiations - possibly into the night. In the morning show shared by ARD and ZDF, she announced that she wanted to support the EU Commission in its goal of no longer allowing cars that emit CO2035 from 2...
Research platform on atomic energy
risks and incidents
The Barsebäck nuclear power plant was considered particularly dangerous in neighboring Denmark, as it is only 20 km away from its capital Copenhagen on the other side of the Öresund. The Öresund is one of the busiest waterways in Europe and Copenhagen Airport's approach path is close to the nuclear power plant.
On July 28, 1992, hot steam shot out of a defective valve into the reactor hall at Barsebäck-2, taking with it large quantities of rock wool that had been used as insulation. The rockwool clogged all the filters in the emergency cooling system within 20 minutes, a time that nobody expected. Fortunately, Sweden avoided a serious accident because the normal cooling worked. The incident resulted in the temporary closure of Barsebäck I and II, Oskarsham I and II and Ringhals as well as expensive conversion work. Denmark has called for Barsebäck to be closed, as it has done several times before...
The energy is running out
Gas is not enough in the long run, prices are rising: what was previously used to will soon become a luxury even for the middle class. This is the new challenge.
There are many people in Germany who have experience in giving up. So far, some have known this primarily in a voluntary form. They want to get thinner and give up sugar. They want to live healthier lives and avoid alcohol. Or they try to protect the climate and the environment. Then you don't fly and take the train instead.
On the other hand, there are those who have long given up without having a choice. For them, going to the cinema is a luxury, on the 27th of the month there is no money left for shopping in the supermarket, and last winter the heating was only turned on in one room of their apartment. It sounds cynical to them when politicians say that belts need to be tightened - because they don't know where they can save more.
What it means not to give up voluntarily, but to be forced to do so: soon many more people in Germany will experience this. The federal government is already swearing the country to deprivation ...
The cabinet will present its plans for two new nuclear power plants in the Netherlands this week.
Prime Minister Mark Rutte's government has announced that it will present plans to build two nuclear power plants. These power plants will be "a good complement to all sustainable energy sources," said Climate and Energy Minister Rob Jetten.
“We fully rely on wind, sun and other sustainable energy sources. But we also want a stable zero-carbon energy source in this energy mix,” Jetten said, according to the NL Times.
After Russia invaded Ukraine in February and Gazprom cut off gas supplies to the Netherlands, a majority in the Dutch House of Representatives urged Jetten to develop further plans for nuclear energy...
A majority in the Danish parliament has spoken out in favor of a significant expansion of renewables, the government announced at the weekend. In addition, gas for heat generation is to disappear from residential buildings by 2035.
This means that offshore wind power could grow five-fold to 2030 GW by 12,9, while generation from onshore wind and PV is expected to increase four-fold to 50 TWh per year by then, it said.
The electricity system would have to be massively converted and expanded to be climate neutral by 2035
By 2035, 845 TWh would have to be generated from renewable energies, more than three times as much as today, according to the Agora Energiewende think tank.
The Agora Energiewende think tank believes that the federal government's goal of increasing the share of renewable energies in electricity consumption to 2035 percent by 100 is fundamentally feasible. However, this requires a "real expansion turbo" for the renewables and the energy infrastructure, according to a study published by her.
Also in view of the increasing demand for electricity due to electric cars, heat pumps and electrolysers, among other things, around 2030 TWh of electricity would have to be generated from renewable energies by 595, twice as much as today, according to the study. By 2035 it would have to be 845 TWh and thus more than three times as much as today ...
And once again nuclear power is supposed to save us. This time because Putin is turning the gas tap. It's not about arguments, just about ideology.
The next nuclear power debate is sure to pop up at precisely this point in time. This time she is toasting Christian Lindner, the German finance minister from the FDP. There should be "no bans on thinking," said Lindner, and against the background of the Ukraine war he just wanted to "talk about it": about extending the service life of the last three German nuclear reactors. Totally innocent...
According to a study, the G7 countries invest on average almost as much money in the climate-damaging fuels coal, oil and gas as in the expansion of renewable energies.
The environmental organization Greenpeace, citing an analysis by the New Economics Foundation (NEF), reports that the seven large participating industrialized countries did not even invest ten percent of the sum that would be necessary to decisively advance the climate-friendly restructuring of the economy and to limit global warming to below 1,5 .XNUMX degrees Celsius limit.
"It is unacceptable that rich industrialized countries continue to invest enormous sums in energy that is destroying all of our livelihoods," said Greenpeace energy expert Jonas Ott before the start of the G7 summit in Elmau, Bavaria. If you still want to achieve the 1,5 degree target, instead of continuing to promote fossil fuels, all funds would have to be channeled into the expansion of renewable energies ...
Terra X - the knowledge column:
For everyone who is now calling for the lifetime of nuclear power plants to be extended: we still don't know what to do with the old nuclear waste and we should finally decide on a location.
Time is short, the low to medium radioactive waste is currently stored above ground, the worst of all solutions. How is it going with him? And especially where?
In September 2020, a picture made the news that caused some commotion: a map of Germany on which about half of the country was colored in color. Bunt means that one of the three types of rock that are fundamentally suitable for a repository for high-level radioactive waste is located in the subsoil, in sufficient thickness and at a suitable depth.
This map (and the accompanying report) gave some a sigh of relief. The Gorleben salt dome, which has been hotly debated for decades, was judged to be unsuitable because it did not meet the safety requirements...
Well done and very informative!
Despite the UN Convention against Torture:
On paper, 173 states outlaw torture, yet many of these countries abuse critics in prison. Experts fear that Julian Assange is also threatened with torture in the United States.
The torturers of this world use a variety of means to achieve one thing - to break their victims or even completely destroy them.
Protection often only on paper
The United Nations Convention against Torture, in force since June 26, 1987 and now ratified by 173 countries, is intended to protect people from "acts by which a person is intentionally inflicted great physical or mental pain or suffering". However, in current reports on the human rights situation, independent aid and human rights organizations complain about a worldwide tendency towards greater and more brutal suppression of critical voices.
According to Amnesty International, human rights activists, employees of non-governmental organizations, members of the media and members of the opposition are increasingly "the targets of unlawful detention, torture and enforced disappearances" ...
|Current news+||Background knowledge|
News+ June 26
According to a new study by the German research institute DIW and the Technical University of Berlin, nuclear energy is far less reliable than previously thought. The study, commissioned by the Swiss Energy Foundation (SES), raises serious questions about the viability of nuclear energy as a long-term energy solution.
Nuclear reactors are failing more and more frequently
"Swiss nuclear power plants are subject to great uncertainty, for example due to unplanned safety-related failures or extended inspection and repair times," Fabian Lüscher (33), Head of Nuclear Energy at SES, told Swiss Blick. The researchers examined the different nuclear reactors in the Alpine country and were particularly interested in the times when they were shut down. For example, the Beznau 1 nuclear power plant had to be shut down for a full 2015 days between 2018 and 1100. The Leibstadt nuclear power plant had to be maintained in longer phases in 2016, 2018 and 2021.
The increase in power plant failures over time is particularly striking. While there were seven unscheduled reactor shutdowns in Leibstadt and three in Gösgen between 2011 and 2020, there have only been six incidents in the years before and since 1995. This has direct consequences for supply in Switzerland.
There is probably no security of supply in Switzerland
"The security of the power supply is higher if Switzerland pushes ahead with the expansion of photovoltaics and does not continue to operate nuclear power plants," quotes Blick study author Mario Kendziorski (32). "Swiss nuclear power plants pose a significant risk to security of supply." In the meantime, politicians in the form of the Federal Council are planning energy scenarios to allow both the Leibstadt nuclear power plant and the Gösgen nuclear power plant to continue running until 2035. According to the study, however, this would jeopardize the nation's security of supply.
A similar threat can now also be identified in France, where several nuclear power plants had to be taken off the network together. "This shows that the simultaneous failure of several power plants is a very realistic threat," says Kendziorski. «Not only because of the risk of serious accidents, it is advisable to do without nuclear power and push ahead with the expansion of renewables. It is also worthwhile with a view to security of supply.”
Renewable energies are probably much safer than nuclear power plants
For Switzerland, the study sets up two scenarios for the year 2035. The first scenario follows current plans to maintain run times. This is contrasted with a scenario that assumes that photovoltaic systems will be built instead, which could handle 16 terawatt hours (TWh). Possible electricity trading with neighboring countries was also taken into account. In spring, between March and April, the storage hydroelectric power plants are at their lowest due to the low levels. Then a failure in the current energy mix of nuclear reactors can have particularly severe consequences.
In order to ensure security of supply, a complete switch to regenerative energies would be a suitable option. "There are certain uncertainties in the forecasting of electricity generation with photovoltaics," says Kendziorski. “But they are much easier to calculate than with nuclear power and can be taken into account from the outset when planning. In addition, it is impossible for all solar panels to fail at the same time. It's obviously different with nuclear power plants."
|Current news+||Background knowledge|
Map of the nuclear world:
Nuclear energy is dangerous and the reactors are old and dilapidated...
The internal search:
brought the following results, among others:
YouTube channel - Reaktorpleite
euronews - 0:42
bwr - 05:06
This playlist contains over 150 videos on the topic
This search engine is planting trees!
Keyword search: corrosion in the Akw
Stress corrosion cracking is the formation of transcrystalline (through the structure grain) or intergranular (along the grain boundaries of the structure) cracking in materials under the simultaneous influence of purely static tensile stress or with superimposed low-frequency pulsating tensile stress and a special corrosion medium. Tensile stresses in the form of residual stresses are also effective ...
Vibration cracking corrosion is the formation of transcrystalline or intergranular cracks in materials due to mechanical vibrations. The occurrence of this corrosion depends on the stress and usually occurs above a specific limit value. In contrast to stress corrosion cracking, the load is cyclic or periodic. Vibration cracking corrosion occurs suddenly and is usually not visible from the outside...
|Current news+||Background knowledge|
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