拥有控制需求的能力，意味着电力公司无需维持昂贵的应急发电设备，就可以较轻易的使大量间断的可再生能源回输至电力系统。
The ability to control demand would make it easier to fit large amounts of intermittent renewable energy into the electricity system without running expensive backup generation.
可是，反应堆失去了包括应急柴油发电机在内的所有电力供应，冷却系统无法工作。
But cooling was unavailable as the reactors lost all electric power, including from backup emergency diesel generators.
光伏发电系统是否宜作为应急电源应作经济技术方面的综合分析。
Comprehensive economic and technical analysis should be made in determining whether a photovoltaic power generation system is appropriate as an emergency power supply.
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