Techno-economic and environmental assessment of electrification scenarios in waterborne public transport
Typ
Examensarbete för masterexamen
Master's Thesis
Master's Thesis
Program
Industrial ecology (MPTSE), MSc
Publicerad
2023
Författare
Cedrillo Ledesma, Andrea Celeste
Jutblad, Nils
Modellbyggare
Tidskriftstitel
ISSN
Volymtitel
Utgivare
Sammanfattning
The shipping industry currently stands for around 3% of the world’s greenhouse gas
emissions (GHGs), and is predicted to increase its emissions significantly until 2050
unless mitigation efforts are made. For shorter routes and smaller vessels, electrifi cation has been identified as a promising method of decarbonisation. In this study,
a techno-economic and environmental assessment framework was used in order to
analyze the cost and environmental effects of electrifying public transport ferries op erating on the Göta Älv river in Gothenburg. Four different electrification scenarios
were constructed based on information obtained from literature and interviews with
relevant stakeholders. For these scenarios, the results suggest that three out of four
would have lower costs than the baseline. The lowest cost of ownership was observed
when optimizing the on-board battery capacity by deposition charging several times
during the day, leading to around 8% lower costs than the baseline. As for the environ mental calculations, the results indicate a possible decrease in GHGs of about 77-90%
of greenhouse gas emissions in the electrification scenarios compared to the baseline,
with zero emissions of NOx , SO2 and particulate matter (PM) on a local level compared
to present case. The scenarios showing the largest mitigation potential utilized wire less opportunity charging which allows for a significant decrease in on-board battery
capacity compared to the baseline, thereby reducing upstream emissions from battery
production. Overall, the study shows that there are positive environmental and cost ef fects of fully electrifying the Göta Älv ferries, which could act as inspiration for decision
makers within waterborne public transport.
Beskrivning
Ämne/nyckelord
Waterborne public transport , Electrification , Electric ferries , Case Study