Category Archives: EROEI Energy Returned on Energy Invested

Mined Oil sands EROI 5, in-situ 2.9, or 1 if refinement, transportation, & environmental costs included

Nuwer, R. Feb 19, 2013. Oil Sands Mining Uses Up Almost as Much Energy as It Produces. InsideClimate News. EROI SURFACE MINED oil sands (20% of reserves) EROI 5  according to J. David Hughes research released Tuesday. EROI 5.5 to  … Continue reading

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Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar Photovoltaics

Book review of “Spain’s Photovoltaic Revolution. The Energy Return on Investment”, by Pedro Prieto and Charles A.S. Hall. 2013. Springer. Reviewed by Alice Friedemann, www.energyskeptic.com Last updated April 11, 2015 with responses from Prieto on criticism received at the 2015 … Continue reading

Posted in Alternative Energy, Charles A. S. Hall, Debt, Electric Grid, Energy, EROEI Energy Returned on Energy Invested, Pedro Prieto, Photovoltaic Solar, Solar | Tagged , , , , , , , , | 26 Comments

EROI negative for Coal-to-Liquids (CTL) at Shenuha Direct Coal Liquefaction plant

Kong, Z. et al. 23 January 2015. EROI Analysis for Direct Coal Liquefaction without and with CCS: The Case of the Shenhua DCL Project in China. Energies 8(2): 786-807.   Many nations see coal-to-liquids (CTL) as a way to avoid … Continue reading

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Large agribusiness gets corporate welfare via illegal ethanol subsidies

What more proof is needed that the Energy Returned on Energy Invested of ethanol is negative?  They’re losing money and getting corporate welfare to keep the scam going, meanwhile destroying prime topsoil, poisoning the land with pesticides, and eutrophying the … Continue reading

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The Oiliness of Everything: Invisible Oil and Energy Payback Time.

The Oiliness of Everything: Invisible Oil and Energy Payback Time. By Alice Friedemann, August 23, 2014. Just as fish swim in water, we swim in oil.  You can’t understand the predicament we’re in until you can see the oil that … Continue reading

Posted in Alternative Energy, An Overview, Antecedents, EROEI Energy Returned on Energy Invested, Wind | 7 Comments

Lambert & Hall : Energy, EROI and quality of life

Excerpts from: Lambert, Jessica G., Hall Charles A. S. et al. 2014. Energy, EROI and quality of life. Energy Policy 64:153–167   Fig. 12. “Pyramid of Energetic Needs” representing the minimum EROI required for conventional oil, at the well-head, to … Continue reading

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Net Energy Cliff Will Lead to Collapse of Civilization

The remaining oil is poor quality, and the energy to get this often remote oil so great that more and more energy (blue) goes into oil production itself, leaving far less — the grey area — available to fuel the … Continue reading

Posted in 2) Collapse, 3) Fast Crash, An Overview, By People, Energy, EROEI Energy Returned on Energy Invested, Net Energy Cliff, Stages of | Tagged , , , , , , | 3 Comments

Energy return on investment, peak oil, and the end of economic growth

David J. Murphy and Charles A. S. Hall. 2011. Energy return on investment, peak oil, and the end of economic growth in “Ecological Economics Reviews.” Robert Costanza, Karin Limburg & Ida Kubiszewski, Eds. Annals of the New York Academy of … Continue reading

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EROEI of at least 10:1 to Sustain Civilization

EROI of ultra-deepwater Gulf of Mexico: 4:1 to 7:1 Moerschbaecher, M. 9 July 2011. Ultra-Deepwater Gulf of Mexico Oil and Gas: Energy Return on Financial Investment and a Preliminary Assessment of Energy Return on Energy Investment. Sustainability 2011, 3, 2009-26. … Continue reading

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Charles Hall on EROEI

Charles A. S. Hall.  2012. Energy Return on Investment. Post Carbon Institute. This is also a chapter in The Energy Reader: Overdevelopment and the Delusion of Endless Growth, Tom Butler, Daniel Lerch, and George Wuerthner, eds. (Healdsburg, CA: Watershed Media, … Continue reading

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