To be able to offer frequency regulation service to the grid, cars need a bidirectional power system, so energy can flow both from the grid and to the grid, and software to allow the car to communicate with the grid.

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Without it, the energy boom will flow out of our leaky grid like oil from a bad cement-job.

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Rebels no longer shut down the country's electricity grid or disrupt the flow of oil.

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Others have also shown that electricity can flow in both directions between a vehicle and the power grid.

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By passing through this screen, visitors leave behind the grid of the city streets and enter an experience where spaces flow freely into one another, gently canted forms lend a sense of dynamism to the walls and ceiling, and surfaces de-materialize into the weightless, illusory depth of the moving image.

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The basic premise of the smart grid is that when implemented fully, it will enable a better flow of data and information between utilities, customers and third parties.

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Two rival metering models used in large commercial buildings to track the flow of electricity as it moves through a building shows the difference between upstream and downstream applications in the smart-grid space.

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