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Green Power Breaks Records in the West
5/10/2013

Solar energy generation in California is expected to rise sharply during the second half of 2013, coming from utility-scale plants such as the California Valley Solar Ranch in San Luis Obispo. Here, 140 megawatts were brought online in December 2012. By December 2013, the project is expected to deliver its full capacity of 250 megawatts.   (Source: US Department of Energy/NRG Solar)
Solar energy generation in California is expected to rise sharply during the second half of 2013, coming from utility-scale plants such as the California Valley Solar Ranch in San Luis Obispo. Here, 140 megawatts were brought online in December 2012. By December 2013, the project is expected to deliver its full capacity of 250 megawatts.
(Source: US Department of Energy/NRG Solar)

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patb2009
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Re: Natural Resources
patb2009   5/15/2013 10:09:03 AM
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MyD

great thing as cell costs continue dropping, the ROI gets shorter and shorter.

I believe that as the ROI gets below 3 years, the investment will pick up and as it goes

under a year, the demand will be Hyperbolic.

 

 

Elizabeth M
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Re: Natural Resources
Elizabeth M   5/15/2013 4:47:15 AM
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Yes, Mydesign, I've actually written about hybrid energy harvesters that can do this sort of thing, but so far the hybrid harvesters have been solar/vibration and solar/heat. It seems like this is where this technology is trending, though. A hybrid solar-wind generator would be an amazing invention.

Elizabeth M
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Re: Natural Resources
Elizabeth M   5/15/2013 4:44:01 AM
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That's interesting, Ann. It seems like there is a lot of work being done in this area; I've actually covered a bit how researchers are trying to make solar cells both cheaper and more efficient. Nanotechnology is coming into play. Also I'm sure you've seen the story I wrote about Ambri, which is developing a giant liquid-metal battery that company founders think could solve the energy-storage problem: http://www.designnews.com/author.asp?section_id=1386&doc_id=259497

Totally_Lost
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Re: Natural Resources
Totally_Lost   5/15/2013 2:23:30 AM
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http://www.catf.us/fossil/problems/power_plants/existing/

In 2000 and again in 2004, Abt Associates issued a study commissioned by the Clean Air Task Force quantifying the deaths and other health affects attributable to the fine particle pollution from power plants. In this newly updated study, CATF examines the progress towards cleaning up one of the nation's leading sources of pollution. The report finds that over 13,000 deaths each year are attributable to fine particle pollution from U.S. power plants. This is almost half the impact that our 2004 study found and is reflective of the impact that state and federal actions have had in reducing power plant emissions by roughly half. However, much more still needs to be done.

Mydesign
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Re: Natural Resources
Mydesign   5/15/2013 12:14:52 AM
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Path2009, the ROI can be covered in 6th year, if maintenance (battery) is null. Otherwise, it may take 7-9 years. For my home system, I got the break even in 6th year.

Mydesign
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Re: Natural Resources
Mydesign   5/15/2013 12:04:52 AM
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"To pay back the cost of solar or renewables, take around 10 years. This is a great effort. But the ROI is slow"

Cabe, I had installed a small solar based inverter for my home and at the 07th year I got the break even. I mean my investment and maintenance cost got covered.

Mydesign
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Re: Natural Resources
Mydesign   5/15/2013 12:01:02 AM
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"This is really promising news! Would be great if the rest of the country could follow, especially Midwestern states where there is a lot of wind, as well. California and Arizona are lucky to get so much sunshine, but in the summer months much of the rest of the country could really harness solar power more as well, and as storage improves, that energy could be stored up to use in the darker months."

Elizebeth, the basic idea behind hybrid power generator is using the available resources at that particular point of time..

Totally_Lost
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Silver
Re: Green Power Growth
Totally_Lost   5/14/2013 12:40:18 PM
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well Ann, I look forward to clear road map that leads the way to removing fossil fuel deaths in a few decades, that is cost effective enough to resoundly displace coal/gas/oil for industry, business, residential and transportation, without balance of trade economic problems, or massive public debt.

Ann R. Thryft
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Re: Natural Resources
Ann R. Thryft   5/14/2013 12:05:57 PM
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Elizabeth, the problem in solar energy production is not always in collecting--how many days of sunshine per year, e.g.--but in efficiency, conversion and storage. Existing solar technologies used in rooftop panels could be a lot more efficient than they are at present if they had not had to be engineered and produced as cheaply as possible for a consumer market. These technologies are often tweaked, altered and even replaced for utility-scale solar installations. I'll be writing about this in future blogs.

Ann R. Thryft
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Blogger
Re: Green Power Growth
Ann R. Thryft   5/14/2013 11:59:07 AM
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patb2009 is right both about PV solar costs dropping, and about the fact that many of our ideas regarding the state of alternative energy are (extremely) out of date. Stay tuned for more posts on the subject.

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