Rotating outages are controlled, temporary interruptions of electrical service initiated by each utility when supplies of reserve power are exhausted.

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These platforms are also increasingly capable of providing ancillary services to the local utility such as spinning reserve, load-following regulation, and intermittency management for wind and solar energy.

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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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