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Maritime
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Integrated Emissions Management (IEM)

A strategic path to smarter compliance and sustainable operations

The road to IEM starts with continuous emission monitoring. At Kongsberg Maritime, we see Integrated Emissions Management (IEM) not just as a system — but as a strategic goal. It’s about enabling smarter, data-driven decisions that support compliance, operational efficiency, and long-term sustainability. 

 

A key step on this journey is the Continuous Emission Monitoring System (CEMS) — a robust, real-time solution that delivers direct measurements of greenhouse gas emissions from onboard combustion processes. CEMS provides the foundation for measurable progress toward integrated emissions management. 

Why start with CEMS? 

  • Direct measurement — not estimates  
  • Real-time data from all major combustion sources  
  • Full integration with K-Chief IAS  
  • Improved data quality for reporting and operational decision-making  
  • Supports both newbuilds and retrofits 

  • Navigating maritime emissions regulations

    The maritime industry faces increasing pressure to reduce greenhouse gas (GHG) emissions and other pollutants. Effective emissions management is essential to meet
    these standards, minimise environmental impact, and maintain competitiveness.

    The challenge

  • CEMS: A foundation for integrated emissions management 
    CEMS continuously monitors key pollutants — CO₂, CH₄, SO₂, NO, NO₂, CO — from main and auxiliary engines, with optional coverage for boilers and gas combustion units. Using cold dry extractive sampling and IR spectroscopy, it delivers precise data that enables proactive mitigation strategies and operational optimisation. 

    This data feeds into K-Chief and K-IMS, enabling a broader IEM strategy that includes reporting, analytics, and compliance across the fleet. 

    The solution

How CEMS works 

  1. Multiplexer valve selects exhaust source  
  2. Heated sample line extracts and transports exhaust  
  3. Gas Conditioning Unit cools and dries the sample  
  4. IR analyser measures gas concentrations  
  5. K-Chief & K-IMS contextualise, visualise and report emissions  
  6. Cycle repeats across all monitored sources 

How it works - From sensors to insight

IEM continuously captures emissions data from shipboard sources, analyses it in real time, and delivers verified reports for compliance and operational use.

Built-in quality controls ensure data integrity from the point of measurement to cloud-based reporting systems.

Key capabilities

  • Seamless integration with ship systems and K-Chief automation
  • Accurate, real-time emissions data for decision-making
  • Mass emissions calculated via Carbon Balance Method  
  • Maintenance alerts and remote diagnostic  support  
  • Verifier-ready reporting via K-IMS 

Benefits on the path to IEM

While emissions monitoring alone does not directly reduce emissions, IEM empowers your team to make smarter, more sustainable decisions that deliver real operational value.

  • Regulatory confidence

    Stay aligned with IMO, EU MRV, and FuelEU standards

    Regulatory confidence Stay aligned with IMO, EU MRV, and FuelEU standards

  • Enhanced ESG profile

    Demonstrate environmental responsibility to stakeholders

    Enhanced ESG profile Demonstrate environmental responsibility to stakeholders

  • Operational efficiency

    Identify fuel inefficiencies and reduce costs

    Operational efficiency Identify fuel inefficiencies and reduce costs

  • Fleet-wide insight

    Compare CEMS and flowmeter data across vessels to identify best performers

    Fleet-wide insight Compare CEMS and flowmeter data across vessels to identify best performers

Who benefits from IEM?

  • Shipowners & Operators: Simplify compliance and reduce operational risks
  • Fleet Managers: Gain insights for improved efficiency and sustainability
  • Compliance teams: Meet emissions regulations with confidence
  • Charterers: Optimise fleet performance with greater transparency and stronger ESG reporting
  • Regulators & stakeholders: Enable data-driven accountability

CEMS doesn’t just measure emissions — it protects your reputation, optimises operations, and future-proofs your compliance strategy.

Eirik Ågren, Sales Director Digital Solutions - Kongsberg Maritime

K-Chief - Centralising control and environmental responsibility

At the core of IEM is K-Chief, Kongsberg’s integrated automation system. It centralises vessel operations, including emissions management, ensuring accurate data, seamless integration, and simplified compliance. IEM provides a complete, continuously updated view of GHG emissions. Its flexible architecture supports evolving regulations, long-term compliance, and operational resilience.

Why maritime leaders choose IEM

  • Precision monitoring

    with advanced sensors 

    Precision monitoring with advanced sensors 

  • Seamless integration

    with ship systems 

    Seamless integration with ship systems 

  • Effortless compliance

    with international regulations

    Effortless compliance with international regulations

  • Flexible Design

    for newbuilds and retrofits 

    Flexible Design for newbuilds and retrofits 

Ready to simplify your emissions compliance?

Frequently Asked Questions (FAQs)