Abstract

http://ssrn.com/abstract=1990205
 


 



Technological Change, Fuel Efficiency and Carbon Intensity in Electricity Generation: A Cross-Country Empirical Study


Elena Verdolini


Università degli Studi di Milano-Bicocca - Center for Interdisciplinary Studies in Economics, Psychology & Social Sciences (CISEPS)

Nick Johnstone


Organization for Economic Co-Operation and Development (OECD)

Ivan Hascic


Organization for Economic Co-operation and Development (OECD)

January 23, 2012

FEEM Working Paper No. 92.2011

Abstract:     
This paper provides an empirical analysis of the determinants of energy efficiency in fossil fuel electricity generation across 28 OECD countries over the period 1981-2006, with particular attention to the role played by technological development and the availability of energy efficient technologies in the market. This contribution is novel in three respects: first, empirically assess the effects of different determinants of energy efficiency, which include the input mix in electricity generation, the capacity ratio at which power plants are run, as well as the characteristics of the production technology. Second, we focus on the role of technological availability: using patent data for carefully selected innovations in fossil-fuel technologies, we build an indicator which proxies for technological developments in fuel-efficient electricity generation. Third, by formalizing the relationship between fuel efficiency and carbon intensity, we assess the impact of changes in the input mix and in technological availability on CO2 emissions in the electricity sector. Results show that input mix, capacity utilization and new investment in capacity play a significant role in increasing energy efficiency. Increasing the stock of available technologies (or stock of knowledge) is also associated with higher efficiency levels. Given the link between increased efficiency and lower CO2 emissions, we conclude that technological change has a negative and significant effect on carbon intensity, while the changing input mix affects CO2 intensity both through an increase in efficiency as well as by lowering the input-weighted emission factor.

Number of Pages in PDF File: 25

Keywords: Fossil Fuel Electricity Generation, Energy Efficiency, Carbon Intensity, Technological Change, Patents

JEL Classification: Q40, O33, O13

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Date posted: January 25, 2012  

Suggested Citation

Verdolini, Elena and Johnstone, Nick and Hascic, Ivan, Technological Change, Fuel Efficiency and Carbon Intensity in Electricity Generation: A Cross-Country Empirical Study (January 23, 2012). FEEM Working Paper No. 92.2011. Available at SSRN: http://ssrn.com/abstract=1990205 or http://dx.doi.org/10.2139/ssrn.1990205

Contact Information

Elena Verdolini (Contact Author)
University of Milan, Bicocca - Center for Interdisciplinary Studies in Economics, Psychology & Social Sciences (CISEPS) ( email )
Piazza dell'Ateneo Nuovo, 1
Milano, 20126
Italy

Nick Johnstone
Organization for Economic Co-Operation and Development (OECD) ( email )
2 rue Andre Pascal
Paris Cedex 16, 75775
France
Ivan Haščič
Organization for Economic Co-operation and Development (OECD) ( email )
2 rue Andre Pascale
75775 Paris Cedex 16
France
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