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Jenbacher J620 Fast Start

The Jenbacher J620 generator for fast startup applications is based on our proven Type 6 platform. Introduced in 1989, this engine has been complemented with innovative fast start and high transient capabilities.

High transient natural gas solution for data center applications

    • Front View of a Jenbacher J620 Gas Engine
      • Front View of a Jenbacher J620 Gas Engine (CHP Module)
        • Front View of J620 Fast Start Container

          Change the scope of supply by clicking on a thumbnail.

        Scope of supply:

        50 Hz

        60 Hz

        * Provided technical data is for information only. Data ranges are calculated considering various gas quality levels and ambient conditions (standard or hot/tropical conditions, etc.).
        Jenbacher can change the technical data unilaterally. In the case of such change, we will update the data on our pages as soon as we can.
        Please reach out to our experts to get help with engines selection, obtain the technical parameters for your gas composition.

        Output and efficiency at generator terminals. Energy input is according to DIN ISO 3046 and DIN 6271, respectively, with a tolerance of + 5%.
        All data according to full load and subject to technical development and modification.
        Based on emission values of 250 and 500 mg/Nm3 NOx at 5% O2 at dry exhaust gas.
        Base for biogas and sewage gas versions: 65% CH4 / 35% CO2.
        Base for landfill gas version: 55% CH4 / 40% CO2 / Rest N2.

        Electrical Output3,091 kW

        Thermal Output2,769 - 3,560 kW

        Voltage480V – 13.8kV

        Electrical Efficiencyup to 43.0 %

        Thermal Efficiencyup to 47.2 %

        L: 420 x W: 90 x H: 110 inches

        To achieve high transient performance, the J620 Fast Start features:

        • An enhanced (optionally redundant) electrical starting system with permanent pre-lubrication and pre-heating to help ensure that the unit is always ready for operation
        • An advanced DIA.NE XT 4 control system with multi-variable, model-based control algorithms to achieve fast start times and transients at desired power quality limits
        • Port injection, enabling cylinder selective gas dosage for optimization of combustion for each individual cylinders
        • Turbochargers with waste gates for fast boost pressure control
        • Real-time pressure-based combustion control

        Scope of supply:

        Balance of Plant

        The right auxiliary equipment is of critical importance in ensuring that a power solution is economically feasible and gets your business the most in terms of reliability, availability and efficiency. Click on provided balance of plant options to learn more. Reach out to our experts to select the configuration that fits your business’ needs.

        Available BOP elements may vary depending on the engine and application type.


        INNIO's Jenbacher engines to power 60 MW hyperscale data center power plant in Ireland.

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        Bringing proven outcomes across the life cycle of your gas engines means less unplanned downtime, greater workforce efficiency, and lower operating costs. From commissioning to overhauling, our global network of qualified service experts provides the support you need, when you need it, by providing the latest technology.

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        Consult an expert

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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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