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Iñigo Capellán Pérez: "Net Energy Analysis: Through a Systems Lens"

The Great Simplification with Nate Hagens

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The Importance of Energy Return on Investment

E.R.O.I. is the acronym for Energy Return on Energy Embested. It's a ratio between how much energy do you invest to have an energy system providing you energy back? So, here the idea is that you want to build an energy system that is going to provide you 100 energy units over its lifetime. And so on this energy system should require much less than 100 energy units because if not, then you have a net loss. But basically we need between five and fifteen E.R. O.I. standard in industrial modern societies as in USA or Europe.

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