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Why Solar Power is Permanently Inefficient

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The above was produced more than 30 years ago by Petr Beckmann, a professor of electrical engineering at the University of Colorado. The intervening decades have not altered the validity of what he wrote and depicted here because it is based on immutable physical and mathematical realities. Those realities are not altered by any amount of laws, subsidies, mandates requiring green energy usage, tax breaks, regulations, political promises, good intentions or democratic voting.

From the above illustration, you can readily grasp that solar power is extremely inefficient for automobile use, compared to the familiar fossil fuel (gasoline). Solar energy is similarly inefficient for other uses of fossil fuels.

Solar power cannot be made competitive by spending more money, hiring more scientists and conducting more research to find a technological breakthrough. Please note the caption on the above illustration assumes “unlimited progress in technology.” The illustration is based on 100 percent of the energy in sunlight, and no technology can ever extract more than that. In practice, one can utilize only a small fraction of it.

Source: Health Care News (blog)

house panel solar whole - News

He lives off the grid -- to the extreme

Houma Courier - Feb 24, 2011

But he said someone could start with one solar panel, a light bulb and a battery. People who live off grid have to be conscious of how much energy they use because there is a finite supply, he said. If Milam runs down all three of his batteries,

Solar Power Market Emerging as a Sleeper in 2011

Money Morning - Feb 23, 2011

In fact, Germany alone consumed almost half of the world's solar panels in 2010. Europe as a whole accounted for more than 80% of the global solar panel market, $65 billion worth of business. Of course, that pattern figures to start shifting in 2011.

Dupuis: Going green gets my kids' attention

yourhome.ca - Feb 25, 2011

I have to admit, I was pretty pumped about the whole solar deal and wanted to invite some of our members to help us celebrate. So we invited our partners at Pure Energies, our directors, our green builders, our staff and our tenants, which include the

Solar PV Array Installed on BILD Headquarters in Toronto

AZoCleantech - Feb 24, 2011

The headquarters of the Building Industry and Land Development Association (BILD) is going green by implementing an 80 panel solar PV array on it's roof-top with the help of PURE Energies in Toronto's Don Mills area and is thus becoming eligible for

Winter, snow, and solar panels: A mixed forecast

CNET - Feb 08, 2011

That type of resitive heating to heat up the mass of a panel (3515 cubic inches and 35 pounds per panel) would consume a lot of AC electricity. So you would also have to wire them all up to a circuit in your electrical panel adding a whole other set of

Solar Power Cells, Hot Water, Energy, Collectors

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Why Solar Power is Permanently Inefficient

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