The new solar system

    China’s evolving solar industry and its implications for competitive solar power in the United States and the world

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    Wind and solar power are disrupting electricity systems

    ALMOST 150 years after photovoltaic cells and wind turbines were invented, they still generate only 7% of the world’s electricity. Yet something remarkable is happening. From being peripheral to the energy system just over a decade ago, they are now growing faster than any other energy source and their falling costs are making them competitive with fossil fuels. BP, an oil firm, expects renewables...

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