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Energy storage and our unpredictable future

Energy storage and our unpredictable future

March 4, 2020

A review of Energy Storage and Civilization

It’s a fine spring day and you decide on a whim to go camping. By early afternoon you’ve reached a sheltered clearing in the woods, the sky is clear, and you relax against a tree trunk rejoicing that “The best things in life are free!” as you soak up the abundant warmth of the sun. As the sun goes down, though, the temperature drops to near freezing, you shiver through a long night, and you resolve to be better prepared the next night.

And so by the time the sun sets again you’ve invested in a good down sleeping bag, you sleep through the long night in comfort due to your own carefully retained heat, and then you greet the cold dawn by cheerfully striking a match to the pile of dry sticks you had gathered and stacked the day before.

In this little excursion you’ve coped with variable energy flows, using technologies that allowed you to store energy for use at a later time. In short, you’ve faced the problems that Graham Palmer and Joshua Floyd identify as critical challenges in all human civilizations – and especially in our own future.

Their new book Energy Storage and Civilization: A Systems Approach (Springer, February 2020) is an important contribution to biophysical economics – marvelously clear, deep and detailed where necessary, and remarkably thorough for a work of just over 150 pages.

The most widely appreciated insight of biophysical economics is the concept of Energy Return On Investment – the need for energy technologies to yield significantly more energy than the energy that must be invested in these activities. (If it takes more energy to drill an oil well than the resulting barrels of oil can produce, that project is a bust.) While in no way minimizing the importance of EROI, Palmer and Floyd lay out their book’s purpose succinctly:

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