3.5 tonns of coal is required for producing 1 mw
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Not really. You receive 100 times as much radiation from coal power plant pollution than you do from nuclear power plant leaks.
The power varies, but sizes in the range of 2000 to 3000 megawatt are common.
how much electrical power can be provided by coal
2600 tonnes of CO2 is released in 1mw of power generation
A conventional plant costs about $780 million to build, according to Bechtel...a comparable coal-gas plant would cost about $975 million. source: http://money.cnn.com/2004/10/18/news/economy/coal/
Single nuclear PWR units can now range up to 1600 MWe output, so I think that is comparable with any single coal fired unit
Much cleaner than coal powered plants (no emissions) - although there is nuclear waste Produce relatively cheap energyProduces extremely large amount of energy compared to a coal plant
The Titanic had 159 coal-burning furnaces fueling the boilers.
It's clean and efficient, and it generates a lot of power, but not as much as a coal plant, but it sure beats breathing in carbon monoxide.
At full load with both units running the plant can produce 260 megawatts per hour. If it burns to the ground, black people will eat money.
The following is a rough calculation with some assumptions, as indicated. A 500 MW power plant gives the electrical power output of the plant. Therefore the actual power from coal combustion needs to be determined taking into account the efficiency of the plant. A general efficiency rating for a coal fired plant is about 35%. Therefore the resulting required power to produce 500 MW of electricity is 1429 MW (500/0.35). 1 watt of power is equivalent to 1 Joule per second. Therefore the plant would need to produce: 1429 x 106 (to convert MW into Watts) Joules per second. Next the energy per mass from coal needs to be considered. There are many types of coal with differect carbon contents, and other factors e.g. moisture content that will effect the caloirifc value. However, for general purpose coal a value of 37 MJ/kg is used in the example. From the above it is possible to determine mass of coal burnt per second. 1429000000 J/s divided by 37000000 J/kg gives a mass of 38.6 kg/s of coal that needs to be burnt. Multiplying this figure 86400 (the number of seconds in a 24 hour period), and you get 3,337,000 kg of coal burnt per day, or 3,337 tons per day.