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Econometric modeling of CO2 emissions abatement: Comparing alternative approaches

Tiago Oliveira, Celeste Varum and Anabela Botelho

Renewable and Sustainable Energy Reviews, 2019, vol. 105, issue C, 310-322

Abstract: As investments and policies that promote renewable energy (RE) projects in electricity systems are most often grounded on the goal of reducing emissions of greenhouse gases, and actual investment and policy decisions are shaped by the estimates of the accrued emissions savings, it is crucial that these estimates are as accurate as possible. In this paper we compare different econometric models that estimate the amount of carbon abated due to RE in terms of their results and their inherent methodological benefits and drawbacks. Specifically, we use the British, French and Spanish grids as case studies for the application of a selection of econometric models and compare the resulting CO2 abatement estimates. We find that, across the three markets, estimates can vary substantially across the different models – this can lead to an over or underestimation of the emissions abated by RE. Overall, our results highlight the need for choosing econometric specifications that lead to results that are congruent with the operational framework of the examined power systems.

Keywords: Greenhouse gases; CO2 abatement; Wind generation; Solar generation; Electricity markets (search for similar items in EconPapers)
Date: 2019
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