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Post Tagged with: "EROEI"

Which EROI Do We Need To Collect Berries?

Which EROI Do We Need To Collect Berries?

The question of EROI – the energy return on energy invested – is raging nowadays, with some people insisting that a civilization cannot exist without an EROI of at least variously estimated values, at least 10 and higher . And that is said to mean we absolutely need sophisticated technologies, such as nuclear, in order to survive. Yet, this morning I[Read More…]

The Real EROI Of Photovoltaic Systems: Professor Charles Hall Weighs In

The Real EROI Of Photovoltaic Systems: Professor Charles Hall Weighs In

Charles Hall is known for his multiple and important contributions in the field of sustainability, and in particular for having introduced the concept of Energy Return on Energy Investment, EROI or EROEI. He is now emeritus and still active in research; among other things as chief editor of the new Springer journal: “Biophysical Economics and Resource Quality, BERQ. Here, he[Read More…]

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