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Nuclear Power In Switzerland
Nuclear power in Switzerland is generated by three nuclear power plants, with a total of four operational reactors ''(see list below)''. In 2013, they produced 24.8 terawatt-hours (TWh) of electricity, down 5.8% from 2007, when 26.4 TWh were produced. Nuclear power accounted for 36.4% of the nation's gross electricity generation of 68.3 TWh, while 57.9% was produced by hydroelectric plants and 5.7% came from conventional thermal power stations and non-hydro renewable energy sources. In addition, there were a number of research reactors in Switzerland, such as the CROCUS reactor at the École Polytechnique Fédérale de Lausanne which is currently the last one left since 2013. Switzerland uses nuclear energy only for peaceful purposes. Any project for the adoption of nuclear weapons was definitively dropped in 1988. Nuclear waste from power plants was processed mostly overseas until 2016. Storage is done on surface sites as plans are underway to move nuclear waste und ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Council (Switzerland)
The National Council (german: Nationalrat; french: Conseil national; it, Consiglio nazionale; rm, Cussegl naziunal) is the lower house of the Federal Assembly of Switzerland, the upper house being the Council of States. With 200 seats, the National Council is the larger of the two houses. Adult citizens elect the council's members, who are called National Councillors, for four year terms. These members are apportioned to the Swiss cantons in proportion to their population. Both houses meet in the Federal Palace of Switzerland in Bern. Organisation With 200 members, the National Council is the larger house of the Swiss legislature. When the Swiss federation was founded in 1848, the number of seats was not yet fixed, and was thus determined by the population of the individual cantons. According to the provisions of the federal constitution at that time, a canton was to receive one National Council member for every 20,000 citizens. Thus, the first National Council, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Decommissioning
Nuclear decommissioning is the process whereby a nuclear facility is dismantled to the point that it no longer requires measures for radiation protection. The presence of radioactive material necessitates processes that are potentially occupationally hazardous, expensive, time-intensive, and present environmental risks that must be addressed to ensure radioactive materials are either transported elsewhere for storage or stored on-site in a safe manner.Benjamin K. Sovacool. "A Critical Evaluation of Nuclear Power and Renewable Electricity in Asia", ''Journal of Contemporary Asia'', Vol. 40, No. 3, August 2010, p. 373. The challenge in nuclear decommissioning is not just technical, but also economical and social. Decommissioning is an administrative and technical process. It includes clean-up of radioactive materials and progressive demolition of the facility. Once a facility is fully decommissioned, no radiological danger should persist. The costs of decommissioning are gene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carbon Dioxide
Carbon dioxide (chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is transparent to visible light but absorbs infrared radiation, acting as a greenhouse gas. It is a trace gas in Earth's atmosphere at 421 parts per million (ppm), or about 0.04% by volume (as of May 2022), having risen from pre-industrial levels of 280 ppm. Burning fossil fuels is the primary cause of these increased CO2 concentrations and also the primary cause of climate change.IPCC (2022Summary for policy makersiClimate Change 2022: Mitigation of Climate Change. Contribution of Working Group III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA Carbon dioxide is soluble in water and is found in groundwater, lakes, ice caps, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lucens Reactor
The Lucens reactor was a 6 MW experimental nuclear power reactor built next to Lucens, Vaud, Switzerland. After its connection to the electrical grid on 29 January 1968, the reactor only operated for a few months before it suffered an accident on 21 January 1969. The cause was a corrosion-induced loss of heat dispersal leading to the destruction of a pressure tube which caused an adjacent pressure tube to fail, and partial meltdown of the core, resulting in radioactive contamination of the cavern. Description In 1962 the construction of a Swiss-designed pilot nuclear power plant began. The heavy-water moderated, carbon dioxide gas-cooled reactor was built in a cavern. It produced 28 MW of heat, which was used to generate 6 MW of electricity, and it became critical 29 December 1966. It was fueled by 0.96% enriched uranium alloyed with chromium cased in magnesium alloy (magnesium with 0.6% zirconium) inserted into a graphite matrix. Carbon dioxide gas was pumped ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpiq
Alpiq is a leading energy company in Switzerland and the largest energy service provider with focus on European markets. The company operates mainly in Switzerland, but it also has power stations in Italy, France, Norway, Hungary and the Czech Republic and building new ones in Germany, Italy, France, Bulgaria and the Czech Republic. The group was established in 2009 in Neuchâtel, Switzerland after the merger of two Swiss energy companies Aare-Tessin Ltd. for Electricity (Atel) and Energie Ouest Suisse (EOS). History Alpiq was founded in 2009 as a result of the merger of Swiss energy companies Atel and EOS. Atel (Aare-Tessin Ltd. for Electricity) was founded in 1894 and was active in Europe in the production, trading and sale of electricity. EOS (Energie Ouest Suisse) was founded in 1919 by several electricity companies based in Western Switzerland. The company was specialised in producing electric power from hydroelectric sources and owned many stations in the country. It also ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boiling Water Reactor
A boiling water reactor (BWR) is a type of light water nuclear reactor used for the generation of electrical power. It is a design different from a Soviet graphite-moderated RBMK. It is the second most common type of electricity-generating nuclear reactor after the pressurized water reactor (PWR), which is also a type of light water nuclear reactor. The main difference between a BWR and PWR is that in a BWR, the reactor core heats water, which turns to steam and then drives a steam turbine. In a PWR, the reactor core heats water, which does not boil. This hot water then exchanges heat with a lower pressure system, which turns water into steam that drives the turbine. The BWR was developed by the Argonne National Laboratory and General Electric (GE) in the mid-1950s. The main present manufacturer is GE Hitachi Nuclear Energy, which specializes in the design and construction of this type of reactor. Overview A boiling water reactor uses demineralized water as a coolant and neu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leibstadt Nuclear Power Plant
The Leibstadt Nuclear Power Plant (german: Kernkraftwerk Leibstadt, KKL) is located near Leibstadt, canton of Aargau, Switzerland, on the Rhine River and close to the border to Germany. Commissioned in 1984, it is the youngest and most powerful of the country's four operating reactors. Its General Electric built boiling water reactor produces 1,220 MW of electrical power. The nuclear power station has produced approximately 8.5 TWh per year, slightly less than the power station Gösgen. It is owned by Leibstadt AG (KKL), a consortium of six Swiss energy companies: the Aare Tessin AG for electricity (Atel) with 27%, the northeast power stations AG (NOK) with 23%, the central-Swiss power stations AG (CKW) with 14%, the electricity company Laufenburg AG (EGL) with 16%, the Bern power stations AG (BKW FMB energy AG) with 10% and the Aargauer of power stations AG (AEW energy AG) with 5%. The management was originally done by the EGL, but with establishment of the Axpo it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gösgen Nuclear Power Plant
The Gösgen Nuclear Power Plant (in German ''Kernkraftwerk Gösgen'', abbreviated in KKG) is located in the Däniken municipality (canton of Solothurn, Switzerland) on a loop of the Aar river. It is operated by the ''ad hoc'' society Kernkraftwerk Gösgen-Däniken AG. History Construction The first discussions about the construction of the third Swiss nuclear power plant started in 1966. In 1970 the formal request was submitted to the federal authorities. Initially foreseeing a river water cooling, the blueprints had to be modified in order to meet a new federal regulation that in 1971 forbade such systems for future plants. After the introduction of a cooling tower, the authorities issued the location authorization on 31 October 1972. The construction started in summer 1973, after that a series of local permits had been granted. The commissioning was authorized on 29 September 1979. The KKG was ready to start operation in February 1979, but the Three Mile Island accident ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pressurized Water Reactor
A pressurized water reactor (PWR) is a type of light-water reactor, light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan and Canada). In a PWR, the primary nuclear reactor coolant, coolant (water) is pumped under high pressure to the reactor core where it is heated by the energy released by the Nuclear fission, fission of atoms. The heated, high pressure water then flows to a Water-tube boiler, steam generator, where it transfers its thermal energy to lower pressure water of a secondary system where steam is generated. The steam then drives turbines, which spin an electric generator. In contrast to a boiling water reactor (BWR), pressure in the primary coolant loop prevents the water from boiling within the reactor. All light-water reactors use ordinary water as both coolant and neutron moderator. Most use anywhere from two to four vertically mounted steam generators; VVER reactors use horizo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
District Heating
District heating (also known as heat networks or teleheating) is a system for distributing heat generated in a centralized location through a system of insulated pipes for residential and commercial heating requirements such as space heating and water heating. The heat is often obtained from a cogeneration plant burning fossil fuels or biomass, but heat-only boiler stations, geothermal heating, heat pumps and central solar heating are also used, as well as heat waste from factories and nuclear power electricity generation. District heating plants can provide higher efficiencies and better pollution control than localized boilers. According to some research, district heating with combined heat and power (CHPDH) is the cheapest method of cutting carbon emissions, and has one of the lowest carbon footprints of all fossil generation plants. Fifth-generation district heat networks do not use combustion on-site and have zero emissions of CO and NO on-site; they employ heat transfer u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
