But just as when the wind blows a leaf upward, the law of gravity remains intact, so too with the law of demand.

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Not everyone is convinced that wind-power is the most reliant route to clean, renewable carbon-free energy, and it is concerning that Britain is relying on a power source that must be backed up by more constant technologies such as nuclear, coal, or gas, because the wind blows inconsistently, as is its nature.

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Wind turbines can only supply electricity when the wind blows, and as long as inexpensive energy storage remains elusive, utility companies will have to combine wind with a resource that can be banked in reserve, like gas.

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