Europe's energy crisis: Are geopolitical risks in source countries of fossil fuels accelerating the transition to renewable energy?
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Abstract
This paper provides first empirical evidence on the effect of geopolitical risks in fossil fuel supplier countries on renewable energy diffusion in fossil fuel importing countries and the mediating roles of rising electricity prices and high import dependence. For this end, aggregate measures of geopolitical risk that countries are exposed to through fossil fuel imports are determined. This is done by combining detailed data on bilateral trade patterns for coal, oil, and natural gas of 37 countries in Europe with that on geopolitical risks in supplier countries. Using an instrumental variable approach, the study reveals that geopolitical risks in supplier countries tended to foster renewable energy diffusion in Europe during the period 1991–2021. The effects are especially pronounced for geopolitical risks related to coal and natural gas imports, while the importance of risks related to particular fossil fuels differed for the build-up of the individual renewable energies, i.e. wind, solar, and biomass. Rising electricity prices and high import dependence, particularly for coal, partially amplified the effects on renewable energy diffusion. Despite the high import dependence, natural gas appears to have played in part a role as a bridging technology for energy transition. • A measure of geopolitical risks related to fossil fuel imports is determined. • Geopolitical risk in supplier countries tended to foster renewable energy diffusion. • Effects are most pronounced for risks related to coal and natural gas imports. • Rising electricity prices and high import dependence partly mediated the effects. • Wind, solar, and biomass generation partly reacted differently to risks abroad.