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Energy use and CO2 emissions in the UK universities: an extended Kaya identity analysis

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  • Eskander, Shaikh M.S.U.
  • Nitschke, Jakob

Abstract

We investigate the progress of the UK universities in greening their energy sources in line with the UK's goal of becoming a net-zero economy by 2050. Using the HESA estate management data for 116 universities over 2012-13 to 2018–19, we employ a Log Mean Divisa Index decomposition method within an extended Kaya identity framework to decouple the changes in total carbon emissions from a range of variables, with a special focus on the impact of different energy sources on energy use and carbon efficiency measures. Overall, between 2012-13 and 2018–19, universities have reduced emissions by 29% although their energy consumption remained mostly stable, implying that these reductions mostly stemmed from reductions in emission coefficient effect (which measures carbon efficiency of energy generation) by 24% and energy intensity effect by 25%. Consistently, estimated correlation coefficients confirm that emission coefficient, intensity, and affluence effects are major contributors behind the annual change in total emissions, with estimated correlation coefficients being 0.42, 0.66, and −0.24, respectively. The share of renewable energy sources was reduced by 2.2%, which is a major reason, in addition to increased number of students, behind the sector's overall failure achieve the 2020 goal of reducing emissions by 43% from the 2005 level. Finally, our results also expose considerable regional variations in mitigating and worsening factors behind emissions that calls for stronger coordination and supervision by policymakers.

Suggested Citation

  • Eskander, Shaikh M.S.U. & Nitschke, Jakob, 2021. "Energy use and CO2 emissions in the UK universities: an extended Kaya identity analysis," LSE Research Online Documents on Economics 110764, London School of Economics and Political Science, LSE Library.
    • Handle: RePEc:ehl:lserod:110764
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    References listed on IDEAS

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    Cited by:

    1. Panos K. Pouliasis & Nikos C. Papapostolou & Michael N. Tamvakis & Ioannis C. Moutzouris, 2023. "Carbon Emissions in the U.S.: Factor Decomposition and Cross-State Inequality Dynamics," The Energy Journal, , vol. 44(6), pages 135-162, November.
    2. Cosimo Magazzino & Parisa Pakrooh & Mohammad Zoynul Abedin, 2024. "A decomposition and decoupling analysis for carbon dioxide emissions: evidence from OECD countries," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 26(11), pages 28539-28566, November.

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    More about this item

    Keywords

    emissions; energy; Kaya identity; university;
    All these keywords.

    JEL classification:

    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices
    • Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources

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