Haul Truck Electrification as a Pathway towards Carbon-Neutral Mining: A Comprehensive Emission Review and CO2 Payback Analysis

Master thesis (2023)

Authors

F. Graes Civil Engineering & Geosciences

Contributors

M.W.N. Buxton Resource Engineering - CEG (supervisor 1)
Bernd Lottermoser Rheinisch-Westfälische Technische Hochschule (supervisor 1)
Mikael Rinne Aalto University (supervisor 1)
Faculty
Civil Engineering & Geosciences
Copyright: © 2023 Fabian Graes
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Published Date

25-10-2023

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

This thesis investigates the impact of truck electrification systems on CO2 emissions and financial aspects in mining. Through comprehensive simulations, the study analyses diesel-electric trucks with trolley assist as well as battery-electric variants with trolley assist and stationary charging. The research findings reveal a noteworthy decline in CO2 emissions and an improvement in cost-effectiveness for the diesel-electric variant with trolley assist. Comparable CO2 savings are observed in battery-electric scenarios, but with varying financial profiles. The transition to battery-electric trucks with trolley assist leads to improved efficiency and associated cost savings. On the other hand, stationary charging entails financial challenges owing to high equipment costs. The analysis of emissions was conducted by different scopes, allowing a differentiated analysis of direct emissions (Scope 1) and indirect emissions (Scopes 2 and 3). This research highlights the significance of adopting a comprehensive approach towards achieving a sustainable future in mining. It provides clear insights into the potential of electrification technologies, particularly highlighted by a 49% CO2 reduction in battery-electric scenarios.