Jenbacher J920 FleXtra Gas Engines
High-efficiency, ‘Ready for H₂’* Jenbacher J920 FleXtra gas engines providing over 10 MW of advanced, flexible power.
High-Efficiency Power at Scale
The Jenbacher J920 FleXtra, represents INNIO Group’s most powerful and advanced gas engine. Delivering up to 10.4 MW of electrical output with exceptional efficiency, the J920 FleXtra is designed for large-scale industrial and municipal power applications. Its innovative three-module concept—including the engine, generator, and turbocharger—simplifies installation, reduces construction time, and enhances plant availability. With its pre-chamber combustion technology, two-stage turbocharging, and fast-start capability, the J920 FleXtra offers a reliable, high-performance solution for both combined heat and power (CHP) and independent power generation projects.
Industry-Leading Efficiency
The J920 FleXtra achieves electrical efficiency levels of up to 48.7% and total efficiencies of around 94% in CHP applications. Its high efficiency helps reduce fuel consumption, CO₂ emissions, and operating costs.
Rapid Start and Grid Stability
Engineered for fast response, the J920 FleXtra can start and reach full load within five minutes, providing valuable grid-stabilising capability for flexible power generation environments.
Modular Design
The engine’s three-module design—engine, generator, and turbocharger—enables quick installation and simplified maintenance. Each module is factory-tested and shipped ready for plug-and-play assembly on-site, reducing installation time and complexity.
Enhanced Maintainability
Key features such as a divided camshaft, modular coupling, and easily replaceable power unit minimise downtime and streamline servicing, ensuring long-term operational availability.
Technical Highlights
The Jenbacher J920 FleXtra integrates advanced design, modular construction, and digital intelligence to deliver superior performance and long-term reliability:
• Three-module concept (engine, generator, turbocharger) for ease of installation and transport.
• Two-stage turbocharging enables higher efficiency, no derating in high ambient or altitude conditions, and excellent CHP performance.
• Advanced pre-chamber combustion system ensures stable operation and extended component life.
• Divided camshaft and modular coupling for simplified maintenance and faster part replacement.
• Engine management system with adaptive controls, cylinder balancing, and predictive diagnostics.
• High electrical efficiency of up to 48.7% and total efficiency of up to 94% in CHP mode.
• Designed for long service intervals, low lifecycle costs, and low emissions operation.
Model Specifications
| Model | Electrical Output (kWe) | Cylinders / Arrangement | Combustion | Speed (rpm) | Gen-set Dimensions (L x W x H mm) |
|---|---|---|---|---|---|
| J920 FleXtra | 10,400 | 20 / V | Pre-chamber, 2-stage turbocharged | 1000 (50Hz) | Engine: 8.4 x 3.0 x 3.5 |
Discover More
Sustainability and ‘Ready for H₂’
Fuel Flexibility and Reliability
Applications
Sustainability and ‘Ready for H₂’
The J920 FleXtra’s exceptional efficiency reduces fuel use and CO₂ emissions, contributing to more sustainable energy production. Its advanced combustion technology allows operation on renewable gases, and future versions will support hydrogen blending or conversion to 100% hydrogen operation as part of INNIO’s commitment to net-zero energy solutions.
Fuel Flexibility and Reliability
Leveraging INNIO’s proven Type 6 combustion system, the J920 FleXtra supports a range of gas types and maintains stable, efficient combustion across all ambient conditions thanks to its advanced engine management system.
Applications
The Jenbacher Type 9 J920 FleXtra is designed for large-scale power generation in industrial, municipal, and utility settings. It is ideal for CHP plants, independent power producers, and grid-supporting installations requiring reliable baseload or flexible operation. The engine’s scalability and modular concept make it suitable for both single-engine and multi-engine power plant configurations.
Find the latest information and product fact sheets on INNIO’s Jenbacher J920 FleXtra engine here.
Explore the Full Jenbacher Range
Jenbacher Type 2
249 – 360 kW
Jenbacher Type 3
393 – 1155 kW
Jenbacher Type 4
749 – 1562 kW
Jenbacher Type 6
1818 – 4507 kW
Jenbacher Type 9
10606 kW
Clarke Energy Lifecycle Service Support
Commissioning
Engines expertly commissioned by localised Clarke Energy service engineers.
Maintenance Agreements
Long term agreements to enhance operational reliability and customer peace-of-mind confidence.
Technical Training
Empower your workforce with theoretical and practical training in multiple languages.
Remote Monitoring & Diagnostics
Maximise asset uptime and reduce operational costs with advanced engine remote monitoring.
Field Service
Rapid response and local expertise through comprehensive network of engineers.
Spare Parts
Genuine manufacturer approved spare parts for optimal engine performance levels.
Repairs & Overhauls
Scheduled and unscheduled maintenance for highest levels of engine availability.
Conversions, Modifications & Upgrades
Extend engine life, boost output, improve efficiency and reduce emissions through CM&U.
Case Studies
Frequently Asked Questions about Jenbacher Type 9 Engines
Technical and Engineering
What efficiency can I expect from a Jenbacher Type 9 gas engine?
Jenbacher Type 9 engines can achieve electrical efficiencies of up to 48.7 per cent, with total efficiencies of around 94 per cent in CHP applications, making them one of the most efficient large gas engines available.
How does two-stage turbocharging improve the performance of a Type 9 engine?
Two-stage turbocharging helps deliver higher efficiency, stable operation, and reliable performance even in hot climates or at high altitudes, without the derating often seen in conventional engines.
Financial and Commercial
Are Jenbacher Type 9 engines cost-effective for large power projects?
Yes. Their high efficiency, long service intervals, and proven design help reduce fuel use and maintenance costs, supporting strong long-term financial performance for industrial and utility-scale power plants.
How can a Type 9 engine help reduce installation time and project costs?
The engine is supplied in pre-engineered modules, which shortens civil works and speeds up installation, lowering construction costs and reducing time to commissioning.
Environmental and Sustainability
Can Jenbacher Type 9 engines run on renewable gas?
Yes. These engines can operate on a variety of renewable gases, helping organisations lower emissions while maintaining dependable power generation.
Are Jenbacher Type 9 engines suitable for future hydrogen use?
They are built with hydrogen-ready technology, meaning they can be adapted for hydrogen blending now and upgraded for higher hydrogen levels as future requirements and fuel availability evolve.
Operational and Implementation
What kind of support is available for Jenbacher Type 9 engines?
Clarke Energy offers full lifecycle support, including installation, planned maintenance, remote monitoring, overhauls, spare parts, and round-the-clock service to keep systems operating reliably.
How does digital monitoring improve the reliability of Type 9 installations?
Advanced monitoring and predictive diagnostics allow issues to be identified early, enabling planned maintenance that helps avoid unexpected downtime and keeps the engine operating at peak efficiency.
Interested in installing a Jenbacher Gas Engine?
Speak with our experts to discuss your project requirements, explore system configurations, or arrange a site assessment.
