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Diversity and Security in UK Electricity Generation: The Influence of Low Carbon Objectives

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  • Grubb, M.
  • Butler, L.
  • Sinden, G.

Abstract

We explore the relationship between low carbon objectives and the strategic security of electricity in the context of the UK Electricity System. We consider diversity of fuel source mix to represent one dimension of security - robustness against interruptions of any one source - and apply two different diversity indices to the range of electricity system scenarios produced by the UK government and independent researchers. Using data on wind generation we also consider whether a second dimension of security - the reliability of generation availability - is compromised by intermittency of renewable generation. Our results show that low carbon objectives are uniformly associated with greater long-term diversity in UK electricity. We discuss reasons for this result, explore sensitivities, and briefly discuss possible policy instruments associated with diversity and their limitations.

Suggested Citation

  • Grubb, M. & Butler, L. & Sinden, G., 2005. "Diversity and Security in UK Electricity Generation: The Influence of Low Carbon Objectives," Cambridge Working Papers in Economics 0511, Faculty of Economics, University of Cambridge.
    • Handle: RePEc:cam:camdae:0511
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    References listed on IDEAS

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    JEL classification:

    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General
    • Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources

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