It is equally clear that without consuming electricity from the grid, it cannot generate electricity, renewable or not.

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It is clear from the positive progress with smart grid pilots that the energy utilities can also succeed.

FORBES: Hard Lessons For Smart Grids

Once thing is clear: once all the technical challenges of grid computing have been overcome, hardware will have become a true commodity.

ECONOMIST: Moving up the stack

Red Bull driver Vettel claimed his second win of the season in the 57-lap race, after starting at No. 2 on the grid, as he moved 10 points clear of Kimi Raikkonen in the championship standings.

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But it isn't yet clear how many customers will have to sign up for the smart grid to get to that point.

FORBES: Energy

Lorenzo cruised to victory more than nine seconds clear of Alex de Angelis, who earned his first podium finish after starting fourth on the grid for San Carlo Honda Gresini.

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By comparing the amount of light in each unit of the grid with reliable sources of economic data from advanced economies, Chen and Nordhous established a clear and compelling relationship between radiance levels at night and GDP.

FORBES: The Case for Keeping the Lights On

Through an innovative regulatory process set up by the government and the regulator, the main barriers to the deployment of micro-power, such as grid access, are being addressed, and Britain is one of the first countries to have a clear, non-discriminatory access regulation for micro-generators that is supported by the regulator.

ECONOMIST: Private space