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As your trusted partner in gas, we put you on track towards a sustainable future

In the ongoing global transition to more sustainable energy sources, gas is increasingly adopted as an important contributor to lowered emissions and increased energy efficiency. The gas needs to be produced, refined, distributed and stored – and we offer innovative and market leading solutions for the gas value chain.

Our focus areas are gas handling systems for seaborne transport, gas as fuel, gas to power, liquefaction and biogas solutions. Let our superior gas expertise and focus on lifecycle, innovation and digitalization put you on the right course towards a sustainable future.

    Our solutions 

    Gas carriers

    Gas carrier solutions

    Wärtsilä is a world leading designer and supplier of advanced cargo handling and reliquefaction systems to gas carriers of all sizes.


    FSRU solutions

    Our portfolio of LNG regasification technologies represents an industry benchmark in terms of energy efficiency, robustness, and operational flexibility.

    LNG regasification

    Gas as fuel

    Fuel and gas solutions

    A more sustainable future requires cleaner fuels. Wärtsilä provides you with several options

    LPG as fuel
    VOC as fuel
    LNG as fuel
    Methanol as fuel
    Ammonia fuel system for 2-stroke and auxiliary engines
    Ammonia fuel system for 4-stroke

    Shuttle tanker

    VOC recovery and offshore solutions 

    VOC is not waste! Let our recovery system collect and reuse it – for a smaller GHG footprint. Wärtsilä’s advanced inert gas solutions improve safety on board, with a reputation for high gas quality and overall reliability.

    VOC Recovery
    VOC as fuel
    Inert gas systems

    LNG Terminal Solutions

    Terminal solutions

    Wärtsilä’s long history, track record and expertise in design and delivery of onshore gas systems enable us to tailor process systems to our customers’ requirements.

    BOG reliquefaction
    Terminal systems

    Conceptual studies

    Conceptual solutions and engineering studies

    The world’s largest portfolio of gas handling systems and equipment, combined with a unique understanding of system interfaces, makes us the preferred engineering partner in conversion projects involving gas solutions. 


    Biogas solutions

    Biogas solutions

    As a market leader in this segment, our experts provide robust and efficient solutions for biogas generation from waste streams – gas upgrading and liquefaction Read more »

    Biogas upgrading
    Biogas liquefaction
    Natural gas liquefaction

    Lifecycle services for gas solutions

    Lifecycle services for Gas solutions

    Total lifecycle solutions for your gas plant

    Gas solutions services


    A new standard of BOG management
    12 Apr 2024 · Article
    4 min read
    A new standard of BOG management
    Developments for enhanced flexibility and efficiency of cargo management on LNG carriers.
    18 Jan 2024 · Article
    6 min read
    Fresh opportunities emerge for VOC recovery
    New EU regulations could add to the incentives for managing the methane present in the volatile organic...
    decarbonisation offering banner
    21 Nov 2022 · Article
    12 min read
    Stepping up to decarbonise the maritime industry
    Wärtsilä is leading the way in maritime decarbonisation, providing shipping companies with...
    15 Nov 2022 · Article
    6 min read
    Bring in the Energy
    Examination of the development of water glycol heated regasification systems for use on FSRUs and offshore jetties.
    LNG terminals land-based vs. floating storage and regasification technology
    15 May 2018 · Article
    8 min read
    LNG terminals – land-based vs. floating storage and regasification technology
    One often reads or hears people say that floating storage and...
    23 May 2022 · Article
    4 min read
    Easing LPG’s path towards acceptance as a viable marine fuel
    Wärtsilä’s LPG Fuel Supply System (LFSS) makes a significant contribution to the...

    Wärtsilä Compact Reliq™ -
    BOG Reliquefaction in a nutshell

    Wärtsilä introduces the Compact Reliq Unit, based on proven Brayton technology.

    Entire value chain of energy and gas

    This is a design revolution

    Don't be afraid of introducing LNG to your fleet

    Fueling change with innovation

    Get more information from our references

    • Knutsen OAS banner
      Two new shuttle tankers for the KNOT Group

      will feature Wärtsilä’s VOC Recovery and LNG fuel systems to lower their emissions of CO2

      Read more
    • Wärtsilä LNG Cargo System reference banner
      Wärtsilä’s LNG Cargo Handling System

      for a new 5400 m3 LNG bunker barge

      Read more
    • Nusantara-Small-Slide
      Nusantara Regas Satu FSRU

      Wärtsilä supplied a liquefied natural gas regasification system

      Read more about Nusantara Regas Satu FSRU
    • JS-Ineos-Insight-Small-Slide
      JS INEOS Insight

      This multigas carrier features a comprehensive Wärtsilä solutions package

      Read more about JS INEOS Insight
    • Tornio-Manga-Small-Slide
      Tornio Manga LNG Terminal

      Wärtsilä’s turnkey delivery of the terminal includes complete unloading, storing and regasification equipment for LNG

      Read more about Tornio Manga
    • Knutsen-LNG-carriers
      Compact Reliq for Knutsen LNG carriers

      BOG reliquefaction simplified with the new Compact Reliq

      Read more
    • Teekay-LNG-support-agreement
      Technical and remote support for Teekay vessels

      Eight LNG Carrier vessels owned by the global Teekay Group are now covered by 5-year Wärtsilä LNG Support agreements

      Read more
    • 2021-MS-VLEC-1138-420
      Specialised cargo handling system design for VLEC

      Four new 98,000 cbm Very Large Ethane Carriers under construction in South Korea

      Read more
    • BW-LPG-fuel-supply-system-1138-420
      BW LPG ships retrofitted with LPG Fuel Supply System

      Wärtsilä LPG Fuel Supply System (LFSS) retrofitted to BW LPG’s very large gas carrier (VLGC) vessels

      Read more


    Biogas:Fuelling the future
    18 Jun 2020 · Webinar
    Biogas: Fuelling the future
    Emission reduction, cleaner fuels and regulatory compliance. These are everyday challenges logistical companies face on...
    Path to IMO 2050 banner
    6 Aug 2020 · Webinar
    Path to IMO 2050 and the role of LNG as a marine fuel
    LNG as the transition fuel to the decarbonized shipping and should include the safety,...
    Masters of gas banner
    7 Apr 2020 · Webinar
    The potential of bioLNG for the maritime industry
    One of the pathways for the maritime industry, to comply with IMO 2050 is the transition of LNG to...

    Gas value chain

    Press releases

    Gas Solutions Sales Team

    Kjell Ove Ulstein bw
    Kjell Ove Ulstein
    Sales & Marketing Director
    +47 91624073

    Stein Thoresen sw
    Stein Thoresen
    Head of Sales, Marine
    (Cargo handling system, fuel systems, VOC, LCO2 carriers)
    +47 91640138

    Pål Steinnes bw
    Pål Steinnes
    Head of Sales, Midstream
    (Liquefaction, LNG-Reliqufaction, FSRU, FSU)
    +47 93660108

    Saman Siahpoush
    Saman Siahpoush
    Head of Sales, Services
    +47 97596817

    Erik Taule
    Erik Taule
    Sales Manager, Inert Gas
    (Inert gas offshore, hydrocarbon blanketing)
    +47 92619015

    Magnus Folkelid sw
    Magnus Folkelid
    Sales Manager, Biogas Solutions
    (Biogas upgrading, biogas liquefaction)
    +46 701992457

    Barry Yang sw
    Barry Yang
    Sales Manager, China
    +86 13801724719

    Contact our 24/7 customer support at +47 815 48 500. For spare parts, please e-mail us with the equipment serial number or the name of the installation at (Inert Gas Systems) (all other products) 
    For technical support & service, please email us with the equipment serial number or the name of the installation at
    Equipment serial number is taken from the equipment nameplate and includes all letters and numbers as given on the equipment nameplate.

    Wärtsilä Marine. Let's connect.