GE gas turbine breaks efficiency record through metal AM optimisation

December 4, 2017

GE gas turbine breaks efficiency record through metal AM optimisation

The GE Power-produced 9HA.02 gas turbine is now said to offer 64% efficiency in combined cycle power plants (Courtesy GE Power)


GE Power, Schenectady, New York, USA, reports that its largest gas turbine has broken efficiency records thanks to an optimised redesign using metal AM. The GE Power-produced 9HA.02 gas turbine is now said to offer 64% efficiency in combined cycle power plants – reportedly higher than any other competing technology today.

According to GE Power, the turbine’s increased efficiency was achieved largely due to GE’s advances in metal Additive Manufacturing, as well as developments in combustion. The new turbine replaces the company’s former HA model, which broke efficiency records in 2016 with its ability to power a combined-cycle power plant at 62.2%.

Using AM’s capacity to achieve more complex geometries, GE Power was able to optimise the design of the 9HA.02’s combustion system for better premixing of fuel and air. As a result, the 9HA.02 can be quoted at 64% net efficiency in specified conditions with total output of 826 megawatts in 1×1 combined cycle configuration. According to the company’s estimates, an additional percentage point of efficiency in gas turbines can translate to millions in fuel savings for customers globally.

“The HA is our most advanced gas turbine technology, and we’ve never stopped pushing the boundaries of what it can do,” stated Joe Mastrangelo, President and CEO, GE’s Gas Power Systems. “GE is proud to achieve an industry first and offer customers the most efficient gas technology available in the world today.”

2022 Winter Metal AM

In the latest issue of Metal AM magazine

Download PDF

Extensive AM industry news coverage, as well as the following exclusive deep-dive articles:

  • What happens when you take the powder out of AM? Charting the rise of wire-based DED with WAAM3D
  • Smart sensor-integrated parts by AM: A look at a novel possibility with industrial applications
  • Tailored materials for AM: How a 'powder kit' can achieve greater material diversity with fewer resources in PBF-LB
  • QuesTek's ICMD: Faster, cheaper, and better alloy development for Additive Manufacturing
  • NanoAL: Alloy development on an open parameter PBF-LB machine, from installation through to Rapid Alloy Screening
  • Using the Six Sigma method to optimise metal powder spreading in PBF-LB
  • Insights from R&D to part production: How CT analysis can advance metal Binder Jetting
  • Corrosion and wear resistence of materials processed by beam-based AM technologies

The world of metal AM to your inbox

Don't miss any new issue of Metal AM magazine, and get the latest industry news. Sign up to our twice weekly newsletter.

Sign up

News from the industry…

    News from the industry…

    Discover our magazine archive…

    The free to access Metal Additive Manufacturing magazine archive offers unparalleled insight into the world of metal Additive Manufacturing from a commercial and technological perspective through:

    • Reports on visits to leading metal AM part manufacturers and industry suppliers
    • Articles on technology and application trends
    • Information on materials developments
    • Reviews of key technical presentations from the international conference circuit
    • International industry news

    All past issues are available to download as free PDFs or view in your browser.

    Browse the archive

    Looking for AM machines, metal powders or part manufacturing services?

    Discover suppliers of these and more in our comprehensive advertisers’ index and buyer’s guide, available in the back of Metal AM magazine.

    • AM machines
    • Process monitoring & calibration
    • Heat treatment & sintering
    • HIP systems & services
    • Pre- & post-processing technology
    • Powders, powder production and analysis
    • Part manufacturers
    • Consulting, training & market data
    Download PDF
    Share via
    Copy link
    Powered by Social Snap