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arXiv · 2303.16629

Power sector effects of alternative options for de-fossilizing heavy-duty vehicles -- go electric, and charge smartly

Carlos Gaete-Morales·Julius Jöhrens·Florian Heining·Wolf-Peter Schill
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Abstract

Various options are discussed to de-fossilize heavy-duty vehicles (HDV), including battery-electric vehicles (BEV), electric road systems (ERS), and indirect electrification via hydrogen fuel cells or e-fuels. We investigate their power sector implications in future scenarios of Germany with high renewable energy shares, using an open-source capacity expansion model and route-based truck traffic data. Power sector costs are lowest for flexibly charged BEV that also carry out vehicle-to-grid operations, and highest for e-fuels. If BEV and ERS-BEV are not optimally charged, power sector costs increase, but are still substantially lower than in scenarios with hydrogen or e-fuels. This is because indirect electrification is less energy efficient, which outweighs potential flexibility benefits. BEV and ERS-BEV favor solar photovoltaic energy, while hydrogen and e-fuels favor wind power and increase fossil electricity generation. Results remain qualitatively robust in sensitivity analyses.

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Carlos Gaete-Morales, Julius Jöhrens, Florian Heining, Wolf-Peter Schill. 2024-05-24. Power sector effects of alternative options for de-fossilizing heavy-duty vehicles -- go electric, and charge smartly. https://doi.org/10.1016/j.crsus.2024.100123

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