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INNIO Sustainability

Landfill Gas

Landfill Gas as an energy source.

Landfill gas is created during the decomposition of organic substances in Municipal Solid Waste (MSW).

The controlled collection and combustion of this Gas is an indispensable step in the modern operation and re-cultivation of a landfill site. In addition, the high calorific value of landfill gas makes it a viable fuel for gas engines that can be effectively used for power generation. With more than 25 years of experience in the combustion of landfill gas throughout the world, INNIO's Jenbacher landfill gas engines provide an ideal solution for using your waste gas as an energy source.

How does it work?

Municipal waste contains about 150 to 250 kg of organic carbon per ton. These substances are biologically degradable and are converted by microorganisms into landfill gas. Stable, anaerobic methane fermentation begins one to two years after the waste is deposited in the landfill.


Following a simple rule of thumb, 1 million tons of deposited municipal solid waste will produce landfill gas over a twenty-year period—an amount sufficient to fuel a gas engine capacity of 1 MW.

  • Perforated tubes are drilled into the landfill body and interconnected by a pipe work system.
  • Using a blower, the gas is sucked from the landfill, compressed, dried and fed into the landfill gas engine.
  • In most cases, electrical power generated by a landfill gas power plant is fed into the public grid.
  • Since there is no buyer for the heat output in most cases, the thermal energy could be converted into further electrical power.

Benefits of landfill gas to energy solutions

Solutions Benefis Graphic

Jenbacher landfill gas engines are specially designed to run at full load with high efficiency, despite a low heating value and fluctuations of gas quality and pressure. High quality engine parts resist impurities that usually appear in this type of fuel.

  • Mitigation of greenhouse gas (methane) and possible carbon monetization with INNIO landfill gas to energy solutions.
  • Revenues for power production, when fed into the public grid.
  • Alternative disposal of landfill gas while simultaneously harnessing it as an energy source.
  • Low weight landfill gas generators in containers. Ready-to-use landfill gas power generation solutions are easy to move and adjust to changing project capacity.
  • Smooth operation despite low heating value and fluctuations in gas composition and pressure.
  • Standard electrical efficiency of up to 42% and up to 90% in the case of combined heat and power (landfill gas cogeneration/CHP).
  • CL.AIR integrated emission control solution complies with country-specific standards.

Selected Case Studies

  • Biomont image

    Biomont Landfill Plant (CAN)

    Biomont Énergie plant converts landfill gas into energy, significantly reducing emissions in Montréal


    Montreal, Canada

    Installed engines

     3 x J612

    Electrical output

     4.8 MW

    Thermal output

     5.2 MW

    Total efficiency


    Energy source

    Landfill gas



  • Gasgreen image

    Gasgreen Energia (ECU)

    Innovative biogas power plant is reducing methane gas pollution in Ecuador


    Quito, Ecuador

    Installed engines

     2 x J320, 3 x J420

    Electrical output

     up to 5 MW

    Total efficiency


    Energy source

    Landfill gas


    2016, 2017

  • Chengdu image

    Chengdu Chang’an (CHN)

    Delivers renewable, low-emission power and wins praise


    Chengdu, China

    Installed engines

     20 x J420

    Electrical output

     29.7 MW

    Total efficiency


    Energy source

    Landfill gas


    2017, 2018

  • Istanbul Energy image

    Istanbul Enerji (TUR)

    Biomass plant in Turkey advances environmental objectives while providing 37 MW of electricity to Istanbul


    Istanbul, Turkey

    Installed engines

     26 x J420

    Electrical output

     36.4 MW

    Electrical efficiency


    Energy source

    Landfill gas


    2021, 2022

Find all Jenbacher Case Studies

Our experts are ready to help you!

Looking for onsite power solutions? Check.
Need access to electricity? We’re there for you.
Want to lower your energy costs, or even sell electricity back to your local grid? Check … check.

INNIO’s regional experts can help you figure out the Jenbacher solution that best meets your needs. With a free consultation, you can:

  • Explore the advantages of onsite power generation solutions for your company
  • Discover how to use economic modeling for added financial benefit
  • Get answers on the technical aspects of your project—including fuel types, feasibility studies, and equipment and balance of plant selection
  • Learn how to take advantage of regional incentive programs
  • Review the delivery options for your project: purchasing, financing, leasing, and engaging a service provider, such as ESCO or BOO
  • Find out how to meet emissions targets

Fill out the following contact form or send us an email to Let's get started!

Resources & Downloads

© Header Image: Landfill Wernsdorf, 2015; Image author: Firma Helicolor Luftbild Ost GmbH; Landfill operator: Berlin Cleaning Service

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Send us a message and we’ll contact you to start the conversation.

Whether your business is looking for onsite power solutions, access to electricity, decreased energy costs, or even to sell electricity back to your local grid/consumers, Jenbacher regional experts can advise you on which solution makes the most sense for you.


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