Economical evaluation of electricity generation considering externalities

被引：60

作者：

El-Kordy, MN

Badr, MA ^{[1
]}

Abed, KA

Ibrahim, SMA

机构：

[1] Natl Res Ctr, Dept Mech Engn, Giza 12311, Egypt

[2] Al Azhar Univ, Fac Engn, Dept Mech Engn, Cairo, Egypt

来源：

RENEWABLE ENERGY | 2002年 / 25卷 / 02期

关键词：

environmental impact; energy cost; externality cost; life cycle analysis; renewable energy;

D O I：

10.1016/S0960-1481(01)00054-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

(T)he economics of renewable energy are the largest barrier to renewable penetration. Nevertheless, the strong desire to reduce environmental emissions is considered a great support for renewable energy sources. In this paper, a full analysis for the cost of the kWh of electricity generated from different systems actually used in Egypt is presented. Also renewable energy systems are proposed and their costs are analyzed. The analysis considers the external cost of emissions from different generating systems. A proposed large scale PV plant of 3.3 MW, and a wind farm 11.25 MW grid connected at different sites are investigated. A life cycle cost analysis for each system was performed using the present value criterion. The comparison results showed that wind energy generation has the lowest cost, followed by a combined cycle-natural gas fired system. A photovoltaic system still uses comparatively expensive technology for electricity generation; even when external costs are considered the capital cost of photovoltaic needs to be reduced by about 60% in order to be economically competitive. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：317 / 328

页数：12