Category Archives: Energy

the posts in this category used to be in “Energy in A Nutshell” at my former web site.

Geothermal power is seasonal: more power in winter than summer

Eventually fossil fuels will decline to the point that renewables will have to replace them, and the electric grid become 100% renewable.  One of the factors that will make this difficult is that 50 to 90% will need to come … Continue reading

Posted in Geothermal | Tagged , | 1 Comment

How is California’s AB2514 experiment with utility scale battery storage coming along?

[ This is an excellent article by Tod Kiefer about tests of sodium-sulfur batteries, which are the only kind of battery for which there is enough material on earth to make. Battery electric storage is meant to “replace nimble, fast-ramping … Continue reading

Posted in Batteries, Battery - Utility Scale, Electricity | Tagged , , , , , | 1 Comment

Notes from “The Powerhouse: Inside the Invention of a Battery to Save the World” by Steve LeVine

[ My notes from 2015 “The Powerhouse: Inside the Invention of a Battery to Save the World” by Steve LeVine follow this introduction. I read this book because I’ve done extensive research on batteries and was surprised by all the … Continue reading

Posted in Automobiles, Batteries, Energy | Tagged , | 1 Comment

2006 Senate hearing on oil and gas, geothermal, and hydrogen fuel cells

Senate 109-503. June 27, July 11, July 17, 2006. Implementation of the provisions of the energy policy act of 2005. Enhancing oil and gas production; geothermal energy and other renewables; and hydrogen and fuel cell research and development.  U.S. Senate … Continue reading

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How burning biomass made us human

[ This is a book review of Wrangham’s “Catching Fire: How cooking made us human”. Fire enabled us to have larger brains from the increased calories in cooked food, held carnivores at bay, killed bacteria, and gave us many other … Continue reading

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Germany’s “Energiewende” may need to be rescued with nonrenewable coal power

[ Below is my summary of The Energiewende is Running Up Against Its Limits (October 24, 2016) by Jeffrey Michel at the Energy Collective. Wealthy, well-educated Germany has tried harder and longer than most nations to make a transition to renewables. … Continue reading

Posted in National Super Grid, Renewable Integration | Tagged , , , , | 1 Comment

Are biofuels a sustainable and viable energy strategy?

[In 2000, Melanie Kenderine at the U.S. Department of energy stated that: “This nation has abundant biomass resources (grasses, trees, agricultural wastes) that have the potential to provide power, fuels, chemicals and other bio-based products” (136). That’s a good point … Continue reading

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Why tar sands, a toxic ecosystem-destroying asphalt, can’t fill in for declining conventional oil

[ This is a book review of Tar Sands: Dirty Oil and the Future of a Continent, 2010 edition, 280 pages, by Andrew Nikiforuk. Many “energy experts” have said that a Manhattan tar sands project could prevent oil decline in … Continue reading

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National Algal Biofuels Technology Roadmap, Department of Energy

[ This is the best document of the many I’ve read. If my post Dozens of reasons why the world doesn’t run on algal biofuels didn’t convince you that the scientists are NOT likely to come up with something, get … Continue reading

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Abiotic oil theory and its implications for peak oil

[This is most, but not all of the paper, which you can read here.  Abiotic proponents believe that the earth is always producing fossil fuels so we don’t need to worry about peak oil (peak production) or running out of … Continue reading

Posted in Oil, Ugo Bardi | Tagged , , , | 1 Comment