Author Archives: energyskeptic

Hydropower has a very low energy density

To store the energy contained in 1 gallon of gasoline requires over 55,000 gallons to be pumped up 726 feet (CCST 2012). As a thought experiment look at what it would take generate all of America’s 4,058 TWh electricity, where … Continue reading

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Gail Tverberg The oil glut and low prices reflect an affordability problem

Tverberg, G. March 9, 2015. The oil glut and low prices reflect an affordability problem. ourfiniteworld.com For a long time, there has been a belief that the decline in oil supply will come by way of high oil prices. Demand … Continue reading

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Jared Diamond Why Societies Collapse

[ Whoops, Diamond left out peak oil: Book review of “In order to live: A North Korean girl’s journey to freedom” by Yeonmi Park Inside North Korea’s Environmental Collapse Who Lives, Who dies in a never-ending energy crisis. Book review … Continue reading

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The Empire of the United States, Roman Empire, War, etc.

[Several articles and comments from energy groups follow] Steven Strauss. December 31, 2012. 8 Striking Parallels Between the U.S. and the Roman Empire. Is our republic coming to an unceremonious end? History may not be on America’s side. Lawrence Lessig’s … Continue reading

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CSP Barriers and Obstacles

Location must be in the desert Southwest Unlike solar PV, CSP can’t cope with humidity or cloud cover, so it is limited to the southwest were the solar irradiation is high and there is no dust, haze, or smog.  Solar … Continue reading

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Concentrated Solar Power: Water Constraints

“Concentrating solar power plants that use wet cooling could significantly increase water demand, consuming up to twice as much water per unit of electricity produced as traditional fossil fuel power plants. Concerns with concentrating solar power plants are particularly acute … Continue reading

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Concentrated Solar Power: location, location, location

Location, Location, Location:   What follows is from: SBC. June 2013. Concentrating Solar Power. SBC Energy Institute. The best sites are between 10° and 40°, South or North. As you can see in the chart below, this makes a huge difference, … Continue reading

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Short-circuiting a solar boom in Japan

Spain is still feeling the painful effects of the costs of overbuilt solar PV, and now Japan is finding itself in the same position.  This article does a lousy job of explaining that the grid must be in exact supply … Continue reading

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Tuberculosis

The fear is that a fast-spreading, anti-biotic resistant strain will spread via mutation or bioterrorism. The World Health Organization (WHO) estimates that two billion people — one third of the world’s population — are infected with Mycobacterium tuberculosis. 25 January … Continue reading

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Syrian conflict due to climate change drought

Fountain, H. March 2, 2015. Researchers Link Syrian Conflict to a Drought Made Worse by Climate Change. New York Times. Drawing one of the strongest links yet between global warming and human conflict, researchers said Monday that an extreme drought … Continue reading

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