Yesterday's Seeking Alpha makes a brief mention of ethanol producers, starting with Blue Flint Ethanol, that use excess heat from coal-fired energy plants to power their production facilities.

Called the Reid Gardner Battery Energy Storage System, the backup power plant is rated at 220 megawatts and 440 megawatt hours of power generated from excess ... the former coal-fired Reid Gardner ...

and it suggests that President Donald Trump’s attempts to revive the U.S. coal industry is doomed to failure. That’s because the price of battery storage has tumbled by 79% since 2010 ...