Projected Costs of Generating Electricity 2005

image of Projected Costs of Generating Electricity 2005

This sixth study in a series on projected costs of generating electricity presents and analyses cost estimates for some 130 power and co-generation (heat and power) plants using coal, gas, nuclear and renewable energy sources. Experts from 19 OECD member countries, 2 international organisations and 3 non-member countries contributed to the study.

The levelised lifetime costs presented and analysed were calculated with input data from participating experts and commonly agreed generic assumptions, using a uniform methodology. Key issues related to generation costs are addressed in the report, including methodologies to incorporate risk in cost assessments, impact of carbon emission trading and integration of wind power into electricity grids.

A reference in the field, this publication will be of interest to energy policy makers, electricity system analysts and energy economists.

English Also available in: French


Generation Costs of Wind, Hydro and Solar Power Plants

Nuclear Energy Agency

This chapter gives an overview on the costs of electricity generation for the wind, hydro and solar power plants considered in the study. The generic framework and assumptions adopted to calculate levelised generation costs for those plants have been adapted to reflect their specific characteristics. The economic lifetimes assumed for cost calculations are the technical lifetimes indicated in responses to the questionnaire; in most cases, those lifetimes are shorter than the 40 years adopted as generic assumption for coal and nuclear power plants. Also, the average availability/capacity factors reported for those plants and used to calculate levelised costs are significantly lower than the generic 85% adopted for coal, gas and nuclear power plants.


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