Wärtsilä LNG Regasification

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

Wärtsilä has delivered and commissioned numerous floating LNG regasification plants based on either closed loop regasification technology, using steam with water/glycol as the intermediate heating medium, or open loop regasification technology using sea water with propane as the intermediate heating medium. An open seawater solution using glycol as intermediate medium is also under development.

We have also delivered modularised regasification plants for jetty installations. These facilitate a much shorter construction time compared to conventional land based LNG regasification terminal projects.

    Technical data

    Train size: 50mmscfd up to 280mmscfd. Higher capacities with multiple trains.

    Delivery pressure:  Designs from 5 to 250 bar possible.

    Temperature NG outlet: Typically 5 C below seawater temperature.

    Example module size:  3x250mmscfd; 25x18x12m, 700 tons.

    Wärtsilä regasification units are available either as multi-skid deliveries, or as complete turnkey and single-lift topside modules.

    Key benefits

    • Leading market position
    • Extensive reference list of installations Fast delivery (12-16 months)
    • Compact and reliable plant
    • Modularized delivery (easy installation)
    • Flexible plant configuration
    • Easy operation and maintenance
    • Quick ramp up/down (0-100% in 1 hour).

    Methane Number

    Wärtsilä Methane Number Calculator

    We have developed this tool for ship owners and operators to calculate the Methane Number of the fuel gas.
    The calculation result indicates whether or not the given gas quality is suitable for use in Wärtsilä dual-fuel engines.

    Methane CH4
    mol%
    EthaneC2H6
    mol%
    PropaneC3H8
    mol%
    Iso-butane (2-Methylpropane)i-C4H10
    mol%
    N-butanen-C4H10
    mol%
    Iso-pentane (2-Methylbutane)i-C5H12
    mol%
    N-pentanen-C5H12
    mol%
    EthyleneC2H4
    mol%
    PropyleneC3H6
    mol%
    Neo-pentane (2,2-Dimethylpropane) neo-C5H12
    mol%
    Mix-hexaneMix C6H14
    mol%
    Mix-heptaneMix C7H16
    mol%
    N-Octanen-C8H18
    mol%
    Carbondioxide C02
    mol%
    CarbonmonoxideC0
    mol%
    HydrogenH2
    mol%
    Nitrogen N2
    mol%
    Hydrogen sulfideH2S
    mol%
    Total mol%
    Wärtsilä Methane number (WMN)
    Propane Knock Index (PKI)
    The calculation tool is owned by Wärtsilä and is made for customer use and is for guidance only. Changes in the tool is reserved at any time.
    • Nusantara Regas Satu FSRU
      Wärtsilä supplied a liquefied natural gas regasification system for the Nusantara Regas Satu FSRU, Indonesia's first LNG regasification terminal.

      Nusantara Regas Satu FSRU

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