Decarbonise for net zero

Layla Rashid

August 18, 2025

Turning the tide: Roadmap to sustainable and profitable shipping

Steer your fleet toward net-zero with practical strategies that align with International Maritime Organization (IMO) targets — from choosing the right low-carbon fuels to smart capital planning, scenario analysis, and measurable targets that unlock both sustainability and profitability.

Top view Logistics and transportation of Container Cargo ship and Cargo plane with working crane bridge in shipyard at sunrise, logistic import export and transport industry background

The maritime industry stands at a pivotal crossing for sustainability. The urgency to reduce greenhouse gas emissions is growing, driven by rising energy prices, escalating climate risks, and increasing pressure from investors. In addition, the International Maritime Organization (IMO) developed a legally binding framework this year, aiming for a net-zero shipping industry by 2050, if adopted.

At the same time, companies are struggling to navigate high economic volatility, growing geopolitical uncertainty, and ever-changing regulations. These challenges can drive some companies to delay or abandon sustainability efforts until market conditions improve. But for companies that have moved forward with decarbonization, the benefits are clear.

Maritime companies that commit to sustainable practices often experience reduced fuel costs through improved efficiency, access to new markets that prefer green logistics, and enhanced reputations that attract socially conscious investors and customers.

But how can maritime companies actually create credible and effective climate transition plans? This article delves into key elements— including energy transition pathways, capital planning, scenario analysis, and target setting—essential for charting a course toward a more sustainable and economically rewarding future.

Energy Transition Pathways: Cornerstone of Credibility and Growth

A comprehensive energy (e.g., fuel alternative) transition pathway is the linchpin of a credible maritime climate transition plan—one that drives both sustainability and business growth. To reduce emissions, the maritime industry must transition from conventional fossil fuels to lower-carbon alternatives, including liquefied natural gas (LNG), biofuels, methanol, ammonia, hydrogen, and battery-electric or wind-assisted propulsion.


Thorough evaluation: Companies should start with an assessment of their options, including evaluating lifecycle emissions, scalability, availability, and compatibility with existing infrastructure (see example above for factors to consider). Maritime companies will likely utilize a suite of energy options to diversify and mitigate risk as they navigate an uncharted energy transition path.

Phased approach: Maritime companies should consider a phased approach with pilot projects, allowing them to adopt new fuels gradually. Pilot projects test real-world challenges with selected vessels, potentially across a mix of alternative energy sources. Successful pilots can then guide broader implementation, minimizing risks and costs associated with large-scale failures. These pilots also encourage broader industry-wide action, which can increase overall investment and the supply of alternative fuels.

Stakeholder engagement: Building alliances with fuel suppliers, regulatory bodies, technology providers, and others ensures collaboration and regulatory compliance. Strong partnerships facilitate infrastructure development, driving efficiency and profitability.

Capital Planning: Investing for Sustainable and Profitable Futures

Effective capital planning is critical for funding the shift toward low-carbon operations that boost long-term business growth. Companies need to integrate financial forecasting, budgeting, and resource allocation into their decarbonization blueprint:

Prioritizing investments: Companies should focus on fuel infrastructure development, retrofitting fleets, and investing in innovative technologies. Given the uncertainty surrounding alternative fuels, retrofitting vessels should be done to allow for the flexibility of using multiple fuel types, helping to future-proof assets. Investments should maximize environmental benefits and offer financial returns where possible.

Securing diverse funding: Diversifying financing sources—including private investments, public funds, and green bonds—makes it easier to secure long-term funding for decarbonization efforts. Public-private partnerships can leverage grants and incentives to bolster sustainability. Engaging with funding avenues aligned with green objectives turns sustainability into a business advantage.

Performing cost-benefit analysis: Comprehensive cost-benefit analyses balance initial costs against long-term savings. Conducting this analysis and understanding the financial implications of strategies can help prioritize efforts. The analysis should consider factors such as direct costs, potential savings from efficiency improvements, lower fuel expenses, and minimized emissions penalties.

Scenario Analysis: Preparing for Uncertainty and Enhancing Resilience

Scenario analysis is vital for navigating uncertainties and building resilient transition plans that safeguard business interests. By modeling different future states, companies can develop strategies equipped to handle diverse scenarios.

Developing diverse scenarios: Multiple scenarios—including optimistic, pessimistic, and base-case projections—allow planning for varied contingencies. Scenarios should consider variables such as carbon pricing, fuel cost volatility, regulatory timelines, and emerging technologies.

Stress testing plans: Rigorous stress testing against diverse scenarios reveals vulnerabilities and areas of a company’s strategy that need enhancement. Identifying and addressing weaknesses improves resilience and safeguards profitability against external shocks.

Adaptive management: Continuous monitoring and adjustment of a strategy ensure flexibility and responsiveness to changing circumstances. Companies should track emerging trends and evaluate performance regularly to ensure effective decarbonization, protecting and increasing business value.

Setting Measurable Targets

Clear goals aligned with IMO targets are crucial for accountability. Companies should define specific, time-bound targets for emission reductions, fuel transitions, and other relevant sustainability metrics.

Targets for GHG emissions reductions and emissions intensity (emissions per transport work, grams of CO₂/ton-mile) are foundational. Other metrics further increase transparency—examples include the share of alternative fuels in total bunker fuel (%), the number of alternative-fuel-ready or fully converted vessels, the percentage of vessels exceeding IMO Phase 3 EEDI (Energy Efficiency Design Index) benchmarks, the percentage of the budget directed to emissions-reduction technologies or retrofits, and the number of established trade lanes with verified green corridor status.

Transparency and Strategic Execution Are Key

As the maritime industry charts its course toward a sustainable horizon, credible transition plans are vital. By thoroughly mapping fuel transition pathways, planning capital investments, conducting scenario analysis, and defining measurable targets, companies can navigate regulatory requirements while achieving genuine emission reductions.

Transparency and strategic execution distinguish credible plans, propelling the industry toward cleaner waters and unlocking business growth along the way.

Want to know more?

  • Layla Rashid

    Manager

    Layla Rashid
  • Laura Bowler

    Senior Managing Consultant

    Laura Bowler