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Comparing the Interstate Highway System to Scientific American’s “A Path to...
In the November, 2009 issue of Scientific American, Mark Z. Jacobson and Mark A. Delucchi propose a plan to supply the world’s energy needs entirely by solar, wind and water sources by 2030. They...
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Bjorn Lomborg on German solar subsidies
Bjorn Lomborg (The Skeptical Environmentalist and Cool It) has an interesting article (Goodnight Sunshine) describing the late realization in Germany that their massive investment in solar energy is “a...
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Not much of Chinese energy is from wind or solar.
A few days ago I wrote about the pollyannish belief that “China is slowing its carbon emissions.” An essential element of this ridiculous meme is that the Chinese are producing significant portions of...
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Units of energy: homes?
corrected 4/12/14 How many BTUs are in a kilowatt-hour? How many barrels of oil equivalent (BOE) are in a kiloton of TNT? There are a lot of different units of energy and power. Which one is chosen...
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News: White house installs 6.3 kW solar PV system
You’ve probably seen the news – it been reported everywhere: the White House has installed 6.3 kilowatts of solar PV. How much energy will that system yield in practical terms? The rated power of a PV...
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How much photovoltaics to provide 100 kilowatt hours per person per day?
Suppose you wanted to power the world at the level that each human being can enjoy the same level of energy abundance as the average American. And suppose we wanted to do it all with photovoltaic solar...
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Comparison of Arizona Nuclear and Solar Energy
Let’s compare and contrast solar energy and nuclear energy in Arizona. There is only one nuclear power plant in the state, the Palo Verde Nuclear Generating Station in Tonopah. There are several solar...
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