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ID: 149953

Economics of nuclear and renewables / Khatib, Hisham; Difiglio, Carmine

Khatib, Hisham	Journal Article
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Summary/Abstract

This paper provides an assessment of the economic challenges faced by both nuclear power and “new” renewable electricity technologies. The assessment reflects the need to incorporate new renewables into power grids and issues faced in dispatching power and their effect on traditional electricity technologies as well as the need for transmission extension and/or grid reinforcement.

Key Words

Nuclear ; Renewables ; Subsidies ; System Costing ; Discount Rates

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ID: 150350

Review of the IEA/NEA projected costs of electricity – 2015 edition / Khatib, Hisham

Khatib, Hisham	Journal Article
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The IEA/NEA recently issued their eighth edition of the Study on the “Projected Costs of Generating Electricity” – 2015 edition. The Study is mainly concerned with calculating the levelised cost of electricity (LCOE). The LCOE calculations are based on a levelised average life time cost approach using the discounted cash flow (DCF) method. The analysis was this year, and for the first time, performed using three discount rates (3%, 7%, and 10%). The LCOE can serve as a tool for calculating the cost of different generation technologies. However the Study's usefulness is affected by its narrow base of a limited set of countries that are not necessarily representative. It ignored the negative role of subsidies and did not provide a methodology for selective application of the discount rates and costing of carbon. The global power generation scene is changing. Generation growth in OECD countries has become very limited; simultaneously there is rapid growth of varying renewables (VRE) generation which needs special criteria for assessing its system cost. All this demands a rethinking of the application and usefulness of the LCOE in future generation planning.

Key Words

Generation ; Carbon ; Subsidies ; System Costing ; Discount Rates

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