28 Sep '13, 2am

Are there #Solar power limits as costs drop?.....

Are there #Solar power limits as costs drop?.....

Matching the timing of peaks by moving power from where the sun is shining to where the demand is located could imply tens or hundreds of GW of power to be moved across continental distances. This is because the point at which the sun is highest in the sky (around noon), when solar output tends to be at its maximum, moves quite quickly across the surface of the earth. At the equator it travels at just over 1000miles/hour, implying that to service demand even an hour later in the day power must be moved hundreds of miles from west to east. The chart below shows how far west you need to go to shift the time of peak one hour later at the latitudes of some of the world’s major cities. To move the peak a quarter of the day – from a noon production peak to 6pm demand – you need to move power a quarter of the way round the world. And the direction does not always help. To meet la...

Full article: http://peakoil.com/alternative-energy/solar-deployment-ar...

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