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  2. Cubatão - Wikipedia

    en.wikipedia.org/wiki/Cubatão

    It was ranked the top ten dirtiest cities in the world by Popular Science. [citation needed] Around 0:00 BRT (3:00 GMT) on Saturday, 25 February 1984, an oil spill set the shantytown Vila Socó on fire, killing 93 people according to official figures of the government, though the actual death toll may be more than 200. [5]

  3. List of megaprojects - Wikipedia

    en.wikipedia.org/wiki/List_of_megaprojects

    The project planned to construct some of the first new nuclear units in the United States in over 30 years at an existing nuclear power plant. The project was cancelled and all work stopped in July 2017. [46] Vogtle Electric Generating Plant: Waynesboro, Georgia, USA: 2013: Completed: 2024 (proj.)

  4. Steam–electric power station - Wikipedia

    en.wikipedia.org/wiki/Steam–electric_power_station

    The efficiency of a conventional steam–electric power plant, defined as energy produced by the plant divided by the heating value of the fuel consumed by it, is typically 33 to 48%, limited as all heat engines are by the laws of thermodynamics (See: Carnot cycle). The rest of the energy must leave the plant in the form of heat.

  5. Open energy system models - Wikipedia

    en.wikipedia.org/wiki/Open_energy_system_models

    The power companies are the main agents: they bid into power markets and they invest based on the net present value (NPV) of prospective power plant projects. They can adopt a variety of technologies, using scenarios from the 2011 IEA World Energy Outlook. [50]

  6. Nuclear activities in Brazil - Wikipedia

    en.wikipedia.org/wiki/Nuclear_activities_in_Brazil

    In 2001 more than two decades after the beginning its construction, the nuclear power plant of Angra 2 started its commercial operations. [74] Nuclear power plant of Angra 1 and Angra 2. Under President Lula da Silva (2003–2011), the nuclear program was revived. INB's Nuclear Fuel Factory (Fábrica de Combustível Nuclear – FCN), a ...

  7. WNP-1 and WNP-4 - Wikipedia

    en.wikipedia.org/wiki/WNP-1_and_WNP-4

    The Site Certification Agreement was approved in 1975, with construction commencing on both units later that year. [5] Labor disputes at Hanford halted construction on WNP-1, -2 and -4 in 1980 and the forecast electric demand had failed to materialize, prompting WPPSS to install new management and re-evaluate the cost and schedule for all five nuclear projects. [6]

  8. Combined cycle power plant - Wikipedia

    en.wikipedia.org/wiki/Combined_cycle_power_plant

    A green hydrogen combined cycle power plant is only about 40% efficient, after electrolysis and reburning for electricity, and is a viable option for energy storage for longer term compared to battery storage. Natural gas power plants could be converted to hydrogen power plants with minimal renovation or do a combined mix of natural gas and ...

  9. Nuclear safety and security - Wikipedia

    en.wikipedia.org/wiki/Nuclear_safety_and_security

    A clean-up crew working to remove radioactive contamination after the Three Mile Island accident. Nuclear safety is defined by the International Atomic Energy Agency (IAEA) as "The achievement of proper operating conditions, prevention of accidents or mitigation of accident consequences, resulting in protection of workers, the public and the environment from undue radiation hazards".