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首页> 外文期刊>Energy >Economic analysis of integrated solar combined cycle power plants A sample case: The economic feasibility of an ISCCS power plant in Egypt
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Economic analysis of integrated solar combined cycle power plants A sample case: The economic feasibility of an ISCCS power plant in Egypt

机译：一体化太阳能联合循环发电厂的经济分析示例案例：埃及ISCCS发电厂的经济可行性

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摘要

An integrated solar combined cycle system (ISCCS) was technically and economically studied for implementation in Egypt with support from the global environment facility (GEF). Both, parabolic trough collector field and volumetric air receiver tower were considered as solar systems. The analysis yielded the net present values (NPV) of the project variants, the incremental solar cost, and the levelised electricity cost (LEC) for both the total and the solar electricity productions. For reference, a fossil fired combined cycle (CC) power plant of identical annual total electricity production following the same daily load profiles was assumed. The total (mixed) LEC is equal for both ISCCS variants: 3.1 USc/kWh. The solar LEC is 9.5 USc/kWh for HTF-trough and 10.2 USc/kWh for air-tower. The LEC for the reference CC is 2.4 USc/kWh. A sensitivity analysis evaluated the impacts of changes in discount rate, solar investment, grant disbursement and fuel price on the LEC. The predicted solar incremental cost of both project variants is within the 50 million US$ limit set by the World Bank for a grant from the GEF. The project provides an environmentally beneficial and economically attractive option for renewable power generation in Egypt.
机译：在全球环境机构（GEF）的支持下，对集成太阳能联合循环系统（ISCCS）进行了技术和经济研究，以便在埃及实施。抛物线槽收集器场和容积式空气接收塔都被视为太阳系。通过分析得出了项目变体的净现值（NPV），太阳能的增量成本以及总发电量和太阳能发电量的平准化电费（LEC）。作为参考，假设使用化石燃料的联合循环（CC）电厂，其年总发电量相同，且每日负荷曲线相同。两个ISCCS变体的总（混合）LEC相等：3.1 USc / kWh。 HTF槽的太阳能LEC为9.5 USc / kWh，空中塔的太阳能LEC为10.2 USc / kWh。参考CC的LEC为2.4 USc / kWh。敏感性分析评估了贴现率，太阳能投资，赠款支付和燃料价格变化对LEC的影响。这两个项目变体的预计太阳能增量成本都在世界银行为全球环境基金提供的赠款设定的5000万美元限额之内。该项目为埃及的可再生能源发电提供了对环境有益且在经济上具有吸引力的选择。

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