• How coal comes


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1.The energy in coal comes from energy that was stored in giant plants that lived hundreds of millions of years ago in swamp forests, even before the dinosaurs! When these giant plants and ferns died, they formed layers at the bottom of the swamps

2.Mining the Coal Coal miners use giant machines to remove coal from the ground They use two methods: surface or underground mining Many US coal beds are very near the ground's surface, and about twothirds of coal production comes from surface mines

3.Because it burns, coal can also catch fire an aboveground culm fire was memorialized on a 100yearold postcard, and an underground coal fire can burn for as long as the coal holds out, killing the land above it with heat, smoke, sulfur gases and carbon dioxide

4.First lignite becomes subbituminous coal, then bituminous coal, and finally the highest quality anthracite coal As these transformations occur, the amount of water and other compounds in the coal decreases and the coal becomes more dense Along with this comes a higher carbon concentration

5.A Solar Power Bank All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun

6.In a way, it's closer to the mark to say that coal, rather than oil, comes from dinosaursbut it's still dead wrong Most of the world's coal deposits were laid down during the Carboniferous period, about 300 million years agowhich was still a good 75 million or so years before the evolution of the first dinosaurs

7.Coal power in the United States accounted for 39% of the country's electricity production at utilityscale facilities in 2014, 33% in 2015, 304% in 2016 and 274% in 2018 Coal supplied 126 quadrillion BTUs of primary energy to electric power plants in 2017, which made up 91% of coal's contribution to US energy supply Utilities buy

8.Costs associated with using coal include the mining, transportation, power generation and emissionscontrol, yet coalfueled electric power remains one of the lowestcost sources of energy for consumers So how does coal power your home Let's start in the mines

9.About 95 per cent of electricity supply comes from coal, 85 per cent from natural gas and 13 per cent from petroleum Fossil fuel generation is particularly important in Alberta and Saskatchewan, where several power stations have been built adjacent to large coal deposits Fossil fuel generation is also important in the Atlantic Provinces, Northwest Territories and Nunavut Ontario used to

10.Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago

11.Coal Coal is a naturally occurring combustible material consisting primarily of the element carbon It also contains low percentages of solid, liquid, and gaseous hydrocarbons andor other materials, such as compounds of nitrogen and sulfur

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