The hidden costs of energy and mobility: A global meta-analysis and research synthesis of electricity and transport externalities

초록

What is the range and scope of externalities associated with electricity supply, energy efficiency, and transport? What research methods and techniques of valuation does the community use to monetize these externalities? What policy implications arise in terms of better governing energy and mobility systems? To answer these questions, this study offers a comprehensive and global research synthesis of externalities for energy and mobility. It synthesizes data from 139 studies with 704 distinct estimates to examine the hidden social and environmental costs. The mean external cost for electricity supply is 7.15d/kWh. When correlating this with the actual amount of electricity generated per year, the amount is $11.644trillion.Thislikelyexceedsboththereportedrevenuesforelectricitysales,oilandgasproductionaswellasthelevelizedcostsofenergy.Themeanexternalcostformobilityis17.8d/km.Usingdifferentiatedestimationsoftheexternalitiesassociatedwithaviation,roadtravelforpassengersandfreight,rail,andcoastalwater/marinemodesoftravel,transpor{t}^{\prime }sglobalexternalitiesamounttoanother$13.018 trillion. When combined, this $24.662trillioninexternalitiesforenergyandtransportisequivalentto28.7$312 billion. The fundamental policy question is whether we want global markets that manipulate the presence of externalities to their advantage, or a policy regime that attempts to internalize them.

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