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A LIFE-CYCLE ANALYSIS OF A MEGA-SOLAR SYSTEM IN JAPAN

机译：日本兆瓦太阳系的生命周期分析

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New Energy and Industrial Technology Development Organization (NEDO) has started mega-solar projects, approximately 5 MW system in Wakkanai and approximately 2 MW system in Hokuto. In the research team of the 2 MW system, authors studied on life-cycle analysis. Approximately 600 kW system with 24 types of PV modules were installed in the first phase. Detailed data, such as number and weight of steel, cable length, were obtained and added to calculation of the LCA. 6 types of PV modules were selected and evaluated. As a result, each systems of the energy requirement were 24 to 39 GJ/kW. And 2.2 to 3.6 years operation can recover the energy consumption throughout its life cycle. The CO_2 emissions were 1.6 to 2.1 t-CO_2/kW. And CO_2 emissions rate were 47 to 61 g-CO_2/kWh. It is much smaller than fossil fuel power plant, and it has big potential to mitigate global warming.
机译：新能源和工业技术开发组织（NEDO）启动了大型太阳能项目，在瓦克卡奈（Wakkanai）和大约2兆瓦系统的北托系统中启动了大约5兆瓦的系统。 在2 MW系统的研究团队中，作者研究了生命周期分析。 在第一阶段安装了大约600千瓦系统，具有24种PV模块。 获得详细的数据，例如钢，电缆长度的数量和重量，并加入到LCA的计算中。 选择6种PV模块并评估。 结果，能量要求的每个系统为24至39 gj / kW。 2.2至3.6年的运营可以在整个生命周期中恢复能源消耗。 CO_2排放为1.6至2.1 T-CO_2 / KW。 和CO_2排放率为47至61 G-CO_2 / kWh。 它远小于化石燃料电厂，它有很大的缓解全球变暖。

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