Introduction
Value proposition
Problem
The maritime industry faces a significant "TCO gap" where low-carbon technologies are uncompetitive due to high fuel premiums and upfront capital costs. Current port dues discounts are often too marginal to bridge this gap alone
Opportunity
Strategic price-based measures, like high CO2 pricing and sustainable financing (e.g., a 1% WACC), can effectively close this financial gap. This provides a clear business case for switching to "Fuel Switch" vessels, which can reduce emissions by up to 90%.
Port applicability
Detailed description of the solution
Software Tool
he technical core of the solution is the NavigaTE to Zero TCO model, a modular software framework developed by the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping. It simulates the long-term financial and environmental impact of various policy levers by calculating the sum of capital expenditures (CAPEX), operational expenditures (OPEX), and the weighted average cost of capital (WACC) over the vessel service life.
Vessel Archetypes
The tool evaluates four distinct configurations to pinpoint where economic intervention is most impactful: a Fossil Fuel baseline (ICE running on LSFO), an Efficient Reference (implementing 16 efficiency measures with <5 year payback), Blended Fuels (50:50 LSFO and biodiesel ratio), and a Fuel Switch (ICE running on biomethanol).
Regulatory Levers
The solution operationalizes CO2-pricing, including a constant high CO2-price (here 200 USD/t CO2) and a progressive CO2-price that scales based on projected EU-ETS developments, and Port Dues Differentiation providing a 20% discount for sustainable vessels and a sustainable financing case that applies a reduced 1% WACC to the green/sustainable components of a vessel's CAPEX.
Sensitivity Analysis
The tool accounts for market volatility by modeling time-dependent price paths for energy carriers across Reference, Low, and High scenarios, acknowledging that fuel remains the primary cost driver for a fuel switch vessel.
TCO-Gap and Abatement Cost Analysis
The solution calculates the TCO-gap and identifies the specific cost components. Additionally, the abatement costs with respect to the analyzed intervention is calculated, i.e. the cost of a fuel switch relative to the reduced emissions by one ton (USD/tCO2). This identifies the "financial incentive point" where the cost of reducing emissions is lower than the market price of CO2.
Impact
| Impact | Level | Remark |
|---|---|---|
| Energy Efficiency | Medium impact | The solution provides analytical guidance that encourages the adoption of technical and operational efficiency measures (such as hull coating, weather routing, and propeller cleaning). These measures can reduce CO₂ emissions by 15% to 24%, depending on the specific vessel type. |
| GHG emissions | Medium impact | The solution facilitates significant reductions in greenhouse gas emissions through fuel switching. A "Blended Fuels" configuration can achieve a 20% reduction, while a total "Fuel Switch" (e.g., to biomethanol) can reduce emissions by approximately 90% compared to fossil fuel baselines. |
| Financial Viability | Medium impact | The modeling identifies that while "Fuel Switch" vessels currently face a drastic cost increase (on average 24% higher TCO), high CO₂ prices (e.g., 200 USD/tCO₂) can make these technologies economically superior from 2033 onwards. |
| Investment De-risking | Medium impact | By demonstrating the impact of sustainable financing (e.g., a 1% WACC), the solution shows that reducing the cost of capital is more effective at closing the TCO gap than port dues discounts alone. |
| Market Transparency | Medium impact | The sensitivity analysis provides a holistic understanding of how volatile fuel prices impact the business case for decarbonization, allowing stakeholders to develop flexible policy frameworks to mitigate market uncertainties. |
| Internal Alignment | Medium impact | Beyond direct economic impacts, environmental charges and price differentiation strategies help align internal sustainability goals, mindsets, and priorities within Port Authority organizations. |
Port characteristics
How to implement?
- Step 1
o Barrier Identification: Conduct literature reviews and stakeholder interviews to identify economic and regulatory hurdles hindering green innovation.
- Step 2
o Solution Selection: Generate a list of non-technological innovation concepts and select "Price Differentiation" as a promising case study.
- Step 3
o TCO Gap Quantification: Utilize the NavigaTE model to assess the TCO for different vessel configurations (Fossil, Blended, Fuel Switch) under varying regulatory and fuel price scenarios.
- Step 4
o Policy Strategy Formulation: Design specific port dues discount schemes and sustainable financing incentives tailored to bridge the identified financial gaps.
- Step 5
o Effectiveness Evaluation: Analyze the results to determine the boundaries and conditions under which price-based strategies successfully accelerate decarbonization.
Implementation Interdependencies
Required Involved Stakeholders
Port Authority
Acts as the primary implementer of local pricing schemes and must balance environmental targets with maintaining commercial competitiveness.
Terminal Operators
May benefit from optimized energy planning and are impacted by shifts in vessel traffic patterns resulting from new incentives.
Shipping Line
The central decision-makers and intended beneficiaries; they execute the transition to alternative fuels based on the cost-benefit analysis provided by these incentives.
Fuel Suppliers/Distributors
Stakeholders responsible for providing the alternative energy carriers required for "Blended Fuels" or "Fuel Switch" configurations.
National & International Regulators
Legislative bodies (EU/IMO) that set overarching legal frameworks, such as the EU ETS and FuelEU Maritime, which provide the high-level economic pressure for decarbonization.
Financial Institutions/Investors
Critical for providing reduced interest rates (e.g., a 1% WACC) to de-risk green investments and close the TCO gap more effectively than dues alone.
Research & Development Institutions
Provide the baseline research, expert input, and model extensions necessary to analyze non-technological innovation.
Knowledge base and references
- Brooks, M. R., Schellinck, T., & Pallis, A. A. (2011) A systematic approach for evaluating port effectiveness. Maritime Policy & Management, 38.
- CE Delft (2022) Maritime shipping and EU ETS: An assessment of the possibilities to evade ETS costs.
- COGEA (2017) Study on differentiated port infrastructure charges to promote environmentally friendly maritime transport activities and sustainable transportation.
- Kortenhaus, A. & Pereira, H. (2021) Report on gap analyses on R&D to promote market uptake conditions D1.2.
- Mærsk Mc-Kinney Møller center for Zero carbon shipping (2024): NavigaTE to Zero. Total Cost of Ownership (TCO) model. Version 1.5.
- Poseidon Principles (2024) Poseidon Principles – A global framework for responsible ship finance – Version 5.1.
