globalguy

Maybe time to order one of these

JAnot

But if the electricity is generated by oil-burning power-stations, as in Tenerife ....

Sunny 1

That price going to give a rocky start to the world economy for '08 Partly due to the rencent rapid increase in demand from India & China. Good old OPEC

Do the wind turbines here not give much electric to the island, that they do not need to use oil ?

JAnot

I did some work back in the UK on the feasibility of wind energy. We calculated that a wind farm was only cheaper than coal-fired power stations if the average wind speed (or more exactly the cube root of the average cubed wind speed) was greater than 8 meters per second. Average.

I don't have any figures for Tenerife, but it is simply impossible that the wind is anything like that strong. Not only that, but the energy produced is in proportion to the cube of the wind speed, so that if the average speed is, say, 4 meters per second, the power produced is one eighth of the power at 8 meters per second.

There are only very few places in the UK with winds strong enough (mainly mountains of Scotland, and perhaps Wales).

I don't know what proportion of electricity demand is covered by the wind farms, but even if the cost of turbines has come down, the wind farms on Tenerife have to be very cost ineffective.

Anyone please feel free to contradict all this.

moonlighter

Anyone want to buy my Range Rover?

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CVW

Fossil fuel energy really worries me, in fact I find it very depressing, a bit like the end of the world!!!!

The wind farm in Granadilla EOLICA is always being extended, but I don´t think they produce enough to power the area of Granadilla, it is merely an R&D station at the moment, as far as I am aware, although the situation may be changing as more of the windmills are added.

Wave power too is an unharnessed tool, but it is the same story, the amount required is greater than the desire, or money required, to harness the power, but I guess that every drop helps to preserve and we have to start somewhere. It is just a pity that wind farms are such a blot on the horizon of the parque nacional, or green belts.

torrenter

If you think about it, all forms of power generation apart from hydrothermal, tidal and nuclear are basically solar power with varying rates of efficiency.

Oil and gas are stored solar power from millions of years ago in conveniently concentrated form.

You would think an island such as ours would be in the forefront of solar power research? Selenium cells are environmentally horrible, but simple collectors & heat exchangers should be viable here at least.

@robby1234 is the expert on this, and I await correction

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JAnot

Some decades ago, I read somewhere that each year we consume oil and gas reserves which have taken 100,000 years to accumulate. I am still pondering the significance of this. Should we be ashamed, or does it matter?

old golfer

Well that's Wifies car gone, we both cant be wasting money and I have the Golf Club to go to.............

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globalguy

I agree, one would think so. Instead, it would seem that Germany is way ahead with Solar and has built huge solar farms in the East and allows those that generate their own solar power to sell it to the grid at inflated prices.

And to think, our sunshine hours are way ahead of theirs!
Canaries and solar just seems to make sense...