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Item type:Publication, Access status: with files , Sustainable airport development: a financial modelling and simulation approach for scenario-based decision makingThe green transformation of the aviation sector requires significant investments from airports into new infrastructure or changes in energy supply facilities (e.g. hydrogen infrastructure). Understanding the economic implications of these investments across different airport sizes and market conditions is critical for airport operators and other stakeholders such as airlines, regulators, and public entities. However, existing financial reporting standards do not provide sufficient guidance for airports undergoing the sustainability transition. Previous studies predominantly focus either on evaluating environmental sustainability aspects or on the assessment of investment decisions, but rarely integrate both perspectives. This study addresses this gap by developing an adaptable financial modelling framework that assesses the impact of sustainability investments of airports. It focuses on the economic implications and includes emission calculations (within a linked extension of the model) to examine the interdependencies between economic and environmental sustainability. The simulation-based approach enables the consideration of various developments and existing uncertainties, thereby providing the structure for an analysis that demonstrates the impact of these investments. The implementation of the framework is demonstrated by providing examples of potential scenario analyses. Financial statements and key performance indicators (KPIs) are derived and analysed to assess the model’s applicability. The results aim to support airport operators in making informed investment decisions that balance financial viability with sustainability goals.Publicationtype: Conference Paper50 7 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: with files , From gridlock to airflow? Understanding the total travel time for advanced air mobility demand at the Hamburg airportThis study examines the potential Advanced Air Mobility (AAM) passenger market in Hamburg, Germany, focusing on airport shuttle services. Therefore, the model uses structured data of the metropolitan area of Hamburg, including population data, status of employment and historical traffic between traffic analysis cells. Based on the structured data of Hamburg, this study implements a four-step model. The modelling of a four-step model allows for investigating the different modes of transport individually. At this point, the AAM alternative consists of an access stage, a main AAM flight and an egress stage. Since passengers decide on travel time and travel cost primarily, the model uses a multinomial logit model to estimate the utility, hence the market share of the considered alternatives. Consequently, the model investigates the impact of travel time for the AAM in detail. As a result, the AAM market reacts to variations of the travel time, which entail AAM operation limitations and capacity requirements for air and ground infrastructure. To evaluate the AAM accessibility of the Hamburg Airport with road traffic, the model compares AAM travel time with the car road traffic. Results show an average AAM time benefit when considering road itineraries that take longer than 43 minutes.Publicationtype: Conference Paper29 5 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: with files , Integrating aviation’s non-CO₂ effects into EU ETS: Impact of CO₂e accounting on operational and technological climate mitigation measuresTo comply with defined ambitious climate goals, technical and operational improvements are required to reduce the climate impact of aviation. Non-CO₂ emissions contribute to a majority of aviation’s total effect and a reduction of the associated climate impact is often associated with an increase in fuel consumption and CO₂ effects. These trade-offs typically result in higher operating costs, which create a lack of economic incentive to pursue such measures, ultimately slowing implementation. Therefore, this study investigates implications from a market-based policy scheme designed to support the implementation of climate mitigation strategies by internalizing non-CO₂ effects. An extension of the EU ETS to account for non-CO₂ effects in terms of CO<inf>2</inf> equivalents is modeled and resulting climate mitigation potentials and operating cost changes are analyzed. The results demonstrate the suitability of an extension of the existing accounting to non-CO₂ effects as this reduces cost in relation to the reference without measure implementation. Furthermore, benefits of operational climate mitigation measures are demonstrated in comparison to the use of sustainable fuels. Technical efficiency improvements can further help to increase mitigation potentials and reduce operating cost, while reduced accounting shares can help to limit cost and ticket price increase.Publicationtype: Conference Paper17 7