A. Utility companies have done quite a remarkable job managing the existing grid in North America.
北美的公用事业公司在管理现有电网方面取得了非常显著的成果。
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Suppose, for instance, that the global financial system collapses, or a new virus kills most of the world's population, or a solar storm destroys the power grid in North AmericaMovie Camera.
The North Carolina energy grid it USES is made up of only about 5% clean energy, the report says, with the rest coming from either coal (62%) or nuclear (32%).