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How Efficient Is Wind Vs Coal?

Answer»

Coal fired power plans lose about 2/3 of the energy that is burned, the losses MEAN that only 33% of the energy in the coal becomes electricity. The electricity leaves the power plant and depending on the efficiency of the energy "lines" and the distance, we see transmission losses from 11% to 15%. So, let's assume a transmission loss of 13%,(making transmission efficiency 87 percent. So the end to end efficiency of coal fired power is probably .33 x . 87 = 28.71 %.(71.29% of the energy never makes it to the consumer). Of course in the process coal leaves coal sludge, dirty air, and a huge health problem for millions of people. Coal also uses millions of gallons of water and leaves that water residue toxic.

An average wind turbine converts about 30% of the energy in the wind into electricity. Line losses for locally USED industrial or commercial turbines are 1 to 2% (vs 12% line loss for the central GRID system. So .30 x .98 =29.4 So wind is more efficient, and also uses no water, creates no POLLUTION, and is much cheaper to build and install, with no negative impacts upon the land, water or air.

Coal fired power plans lose about 2/3 of the energy that is burned, the losses mean that only 33% of the energy in the coal becomes electricity. The electricity leaves the power plant and depending on the efficiency of the energy "lines" and the distance, we see transmission losses from 11% to 15%. So, let's assume a transmission loss of 13%,(making transmission efficiency 87 percent. So the end to end efficiency of coal fired power is probably .33 x . 87 = 28.71 %.(71.29% of the energy never makes it to the consumer). Of course in the process coal leaves coal sludge, dirty air, and a huge health problem for millions of people. Coal also uses millions of gallons of water and leaves that water residue toxic.

An average wind turbine converts about 30% of the energy in the wind into electricity. Line losses for locally used industrial or commercial turbines are 1 to 2% (vs 12% line loss for the central grid system. So .30 x .98 =29.4 So wind is more efficient, and also uses no water, creates no pollution, and is much cheaper to build and install, with no negative impacts upon the land, water or air.



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