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Acciona Builds 46 Solar Megawatts in Portugal



The US may have recently become the world’s largest wind power producer, but it’s the Europeans who are still building the http://thegracedarlinghotel.com.au/levitra-online-pharmacy-usa biggest solar power plants. Acciona, a Spanish engineering and buy viagra china construction organization, just built a 46 MW photovoltaic behemoth in Portugal.

This juggernaut is canada cheap viagra big, powerful and expensive. It cost about $367 million dollars (that’s just under $8 per watt, for those who tuned into last week’s discussion of grid parity), and is made up of the best choice order prescription viagra 250 THOUSAND solar modules, with approximately one solar tracker for each 100 modules.

One of the cool things about this new plant is that it is not owned by just one organization. Rather, a number of different organizations each owns a piece of the 46 MW total, and they all agreed to build together in a common site. Economies of scale would dictate that the resulting whole would be more efficient than the sum of its parts.

Sometimes we get so used to hearing the latest, biggest number that we don’t fully appreciate the scale of projects like this when they actually come online. We have to remember that clean tech is still just a child, and these 46 megawatts are the latest scratches on the http://sfachc.org/levitra-10mg wall to show how tall it has grown. As we change the calendars, we can’t help but notice that solar – though it is not all grown up yet – has certainly gone through a growth spurt.

Via Earth2Tech

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written by Miltowny, December 31, 2008
How easily does the grid parody translate into European energy costs?

From what I remember, Portugal imports a large majority of http://invens.nl/best-price-for-viagra it's energy. Shipping coal must ad a good chunk of change to the average cost per kw.

In Europe, it seems they may also ad in the cost of our planet's health into their parody analysis.
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written by Rui Ferreira, January 01, 2009
As a Portuguese,

- In Portugal having a positive return of investment in renewable energy is easier than in the US because we signed Kyoto. By law, electricity companies buy renewable energy above market price because otherwise we would pay fines.

- Mega solar plants make no sense to me. The great advantage of solar energy (when comparing with wind and water) is that it can be distributed. Solar panels generate energy at the right frequency so you can just plug one in the grid without losing efficiency. Centralized energy is just how big electricity companies like us to think.

-The real case studies in Portugal are hydraulic that produces 48% (I think, didn't check) of total electric energy and wind, 10%.

- Portugal doesn't significantly imports electric energy. Just natural gas and oil which are used to produce a significant share of it (used to be 30% but I think now it decrease because of the price of cialis price oil).

(didn't check most numbers so sorry if they aren't right. Shouldn't be too far off though)
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written by Rui Ferreira, January 01, 2009
2 more things

when you say "The US may have recently become the world’s largest wind power producer", that's just lame. use %!!!

hydro is also good because it can be used to accumulate energy by pumping water up the dams. it combines very well with wind. on the other hand it has big impact on some ecosystems so it's not very consensual in pt.
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written by Rui Ferreira, January 01, 2009
Checked number for water energy. It didn't feel right. It's something like 10%
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A waste of Money
written by Cleanfutureenergy, January 02, 2009
I cannot understand why utility scale solar is levitra on sale being built at all. Concentrated solar is half the viagra brand cost. So for a given investment you get twice the carbon saving. You also have more flexibility due to heat storage.

PV works well on a micro scale (although it still needs to get a lot cheaper) by on a large scale its less sustainable than a Hummer.
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written by steve, January 02, 2009
I am no expert on PV but am very knowledgeable about solar thermal. Until very recently I operated one of the large solar thermal plants in the Mojave. I too don’t really understand the large utility scale PV plants either. I think PV may soon be economical in some areas of the country for peoples homes but it has some real drawbacks, at the current time, for large power plants. The biggest problem, other than cost, I see is that PV plants would be subject to massive load swings. Our power grid is not really designed for that. I know from personal experience that in the summer it is fairly common for a large cloud to us cialis quickly wipe out your field and then 10 minutes later for the sky to be clear again. In a solar thermal plant you load will slowly dip and slowly rise as the sun comes back. A PV plant would be much more dramatic. Something very close to a plant tripping off the grid and daily viagra then suddenly coming back on.

Now I like solar thermal but it has a very long ways to go before it can compete with conventional power sources. All electrons are not created equally. We do not now have large scale electrical storage systems. The proposed solar thermal storage systems now will make the plant run smoother but still only offer a day or two of storage. A lot of the problems can be overcome but we are not anywhere close to be able to do it right now.
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Big Plants
written by Chris, January 03, 2009
Why are Newspapers and Blogs always just reporting about the visit web site viagra price in canada big Projects. Ok they sound impressive, but especially with PV it doesn't make sense. The big PV-plants plant in China (1GW) the one in California (500MW) and this one (46MW) they are nothing compared to the ability of a whole bunch of supportmichaelocc.ca people covering their roofs with PVs, probably encouraged by government subsidies.
One example is Germany they had at the end of 2007 4150 GW of Solar power production. I don't have the excact number but I would guess more than 90% of it is rooftop PVs. And Germany isn't really known for its sunny weather. Rooftop solutions seems to me as the best option for PVs. Only the big utility companies probably don't like that idea they still have their big centralized powerplant way of thinking.
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written by Total Solar Energy, January 03, 2009
Yes, I agree with the previous comment. Instead of building large plants, let people build their own systems through rebates and directly benefit from these.

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