The cost per kilowatt hour of solar power is figured by estimating the total power output of the solar panel over its 20 - to 25-year warranty.
太阳能输出电能的每度电成本是通过估算太阳能板在其20到25年的保修期间总输出电能来计算的。
Paradoxically when there are most sunspots, overall solar output - called total solar irradiance (TSI) - is also at a high.
奇怪的是当太阳黑子较多时，太阳能量的总体输出——太阳总辐照度(TSI)反而在一个较高的水平。
These contracts will be serviced by 14 solar thermal plants with a total output of 2, 600 megawatts, to be built between now and 2017.
合约涉及建造14座太阳能电厂，总发电量达2600兆瓦，工期从现在开始将持续到2017年。
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