Tag Archives: EROI

EROEI Calculations for Solar PV Are Misleading

The Energy Returned on Energy Invested (EROEI) concept is very frequently used in energy studies. In fact, many readers seem to think, “Of course, EROEI is what we should be looking at when comparing different types of energy. What else … Continue reading

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Overview of Our Energy Modeling Problem

We live in a world with limits, yet our economy needs growth. How can we expect this scenario to play out? My view is that this problem will play out as a fairly near-term financial problem, with low oil prices … Continue reading

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Diminishing Returns, Energy Return on Energy Invested, and Collapse

What do diminishing returns, energy return on energy invested (EROI or EROEI), and collapse have to do with each other? Let me start by explaining the connection between Diminishing Returns and Collapse. Diminishing Returns and Collapse We know that historically, … Continue reading

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Our Oil Problems are Not Over!

If a person reads US newspapers, it is easy to get the impression that all of the world’s oil problems are over. But this is not really the case. An Overlooked Part of the Problem: High Oil Prices A major … Continue reading

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Energy Products: Return on Investment is Already Too Low

My major point when I gave my talk at the Fifth Biophysical Economics Conference at the University of Vermont was that our economy’s overall energy return on investment is already too low to maintain the economic system we are accustomed … Continue reading

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