Gas conversion power plants

Wärtsilä Power plant gas conversion

Wärtsilä power plant gas conversion

As gas grids expand and emission levels continue to tighten, conversion to natural gas is an increasingly viable alternative for power plants. Wärtsilä engines are flexible and easily adapted to using gas as a primary fuel, helping to cut operational costs and exhaust gas emissions while increasing fuel flexibility.

    Benefits
    • Optimise OPEX by reducing fuel and lube oil use and cutting maintenance costs
    • Reduce exhaust gas emissions
    • Increase operational flexibility
    • Extend lifetime of the installation
    Technical info
    Wärtsilä offers the following conversion options: 

      Spark-ignited (SG)
    • Mono fuel: natural gas, LNG, LPG
    • For targeting the highest efficiency and asset output with the lowest emissions 
      Dual-fuel (DF)
    • Multiple fuels: HFO, LFO and natural gas, LNG
    • For meeting the need to switch between natural gas and liquid fuels
    Application
    Convertible engine types are Wärtsilä Vasa32, W32, W34, W46 and W50.


    Case example: the impact of fuel type and technology on levelised cost of energy

    The example demonstrates the impact of technology and fuel type on levelised cost of energy. The example is based on a 100 MW power plant, with six W18V46 engines. The actual values are not directly applicable for any power plant, but will depend on several variables and factors.

     
    Levelised cost of energy
    Levelised cost of energy

    Case: Delimara gas conversion



    Gas conversion reduces power plant emission levels

    Shanghai Electric Power reduced both electricity production costs and emission levels at their Delimara 3 Power Plant in Malta as eight Wärtsilä HFO-fuelled engines were converted to run on natural gas including installation of the new UNIC C3 engine control system. This means a lower heat rate for the engines, increased efficiency, higher power output capacity, and lower emissions, in other words, reduced operational costs.

    Other references

    Extensive experience with gas engines and conversion projects

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