Wednesday, June 16, 2010

Unhappy thoughts on Thanet’s offshore wind farm

I am just starting to put together my critique of the wind farm and in trying to point out how trivial this sort of panacea is to the very real problem of climate change and rising sea levels, I had to come up with a comparison that would be easy for the youf of today to understand.

Now if you fill up your car with 10 gallons of petrol in sixty seconds, the energy transfer rate from the petrol pump to the car is equivalent during the 60 seconds to the entire output of a 25 megawatt power generator for 60 seconds.

During the time that Thanet offshore wind farm runs efficiently and at maximum power, that is when the wind conditions are right I would guess about 25% of the time the whole wind farms energy transfer rate, from the turbines to the national grid is 300 megawatts, meaning that 24 – 7 it is able to produce about 75 megawatts or the same energy transfer rate as continuously filling three cars with petrol.

I took off my shop assistants hat for this one and put on my rather dusty engineering hat, I don’t think I have made a mistake here but would appreciate any corrections.

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