Why was the supply of coal crucial to the industrial revolution

The supply of coal was crucial to the industrial revolution because coal was cheap and affordable and also it was an excellent source of energy. Coal was the best energy source at the time of the industrial revolution and would allow for machines to be coal powered.

Coal was important to the Industrial Revolution because it burned hotter than wood charcoal. The additional heat was needed in the boilers that ran the steam engines developed during the Industrial Revolution, according to the United States Department of Energy.