George Marsh said: (quoted from post at 11:14:20 01/01/15)
A guy who works at the power plant says that over 1/2 the electricity they produce is used to run the power plant, crushing the coal, running the pumps and fans.
Using natural gas will eliminate the crushing.
His numbers are way off. The conveyers, pulverizers and bag house do not demand that amount of power. Coal boiler feed pumps and condenser cooling water demands are comparable to nuclear.
As previously stated the 50% was thermal to electrical conversion efficiency. Very good numbers actually to approach 50%.
The latest and greatest John Deere at Nebraska managed 37% efficiency which has equaled or set records.
This post was edited by buickanddeere at 09:48:05 01/01/15.
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