What happens to the centralized electric grid, which took decades and billions of dollars to build, as more and more people become "prosumers", who produce and consume their own energy onsite?

随着越来越多的人成为“产消者”，就地生产和消费自家生产的能源，那么花了几十年时间和数十亿美元才建成的中央电网的命运会如何？

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The flow of energy between the grid and electric cars need not be one-way.

电网和电动车之间的电流不一定是单向的。

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Around the world, electric power systems that have added significant amounts of renewable energy to the grid require both costly and creative solutions.

世界上，电力系统为电网带来了大量的可再生能源，而这种电网要求的解决方案不仅造价高而且还得具有创造性。

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The 60 new projects announced by Majumdar will tackle a wide range of subjects, including biofuel, solar energy and electric grid.

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It meant that we invested in infrastructure that would lay the groundwork for a 21st century economy -- not just roads and bridges but also broadband lines and a smart electric grid that could make us more energy efficient.

WHITEHOUSE: Discussing the Economy in Des Moines

Chu, a 60-year-old Nobel prize winning physicist from Stanford University, came to Washington with a mandate from the president to increase the nation's production of clean, renewable power, make the electric grid more intelligent and improve overall energy efficiency.

FORBES: Green Policy