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GE Power and Vattenfall Wärme Berlin AG—a subsidiary of Swedish utility Vattenfall AB—today announced the new MXL2 with Additive Manufactured Performance (AMP)—the world’s first upgrade solution for GE’s GT13E2 gas turbines that uses key components manufactured using additive technology. The addition of additive manufactured parts into the MXL2 solution represents a turning point in the global power generation industry and confirms GE’s commitment to keep its mature fleets competitive in today’s very dynamic marketplace. The new technology can help gas plant power producers save up to $2 million in fuel annually, while opening up the potential for additional revenue of up to $3 million annually in new power capacity. Today’s news also marks the third investment announcement GE Power is making in six weeks in its Power Services business.
“We’re continuing to invest in new technologies to keep our installed base competitive: the new MXL2 with AMP upgrade could not be manufactured with conventional methods and marks the first-of-its kind solution with the injection of components manufactured by additive technologies,” said Scott Strazik, president and CEO of GE’s Power Services business. “Because these components are made with a lightweight configuration and can be engineered to include advanced cooling channels, they help the gas turbine run more efficiently, representing a new frontier in turbine engineering and production. These savings translate directly into increased performance and provide turbine operators with greater fuel efficiency and more capacity. We’re excited to bring this technology to our GT13E2 fleet, which we acquired from Alstom in 2015.”
The new MXL2 with AMP include two components produced by GE’s Additive Manufacturing Works (AMW) teams in Birr, Switzerland, and Greenville, South Carolina, United States: the first-stage turbine vanes and heat shields. These parts are among the turbine’s hottest-running components, and the significant amount of cooling air they traditionally require impacts the engine’s performance. Additive printing allows GE to use advanced cooling designs that considerably reduce the amount of cooling air the parts need, improving the turbine’s performance and offering operators potentially millions of dollars in benefits per year.
The breakthrough technology can significantly elevate the output and efficiency of existing GT13E2 gas turbines. It’s capable of:
Vattenfall began supporting this technology in 2015 with the installation of four different 3D printed components at its Heizkraftwerk Berlin-Mitte Power Plant near Germany’s capital city of Berlin.
“We have a long-standing relationship with GE,” said Dietmar Kodim, Gas Turbine Asset Management Leader at Vattenfall Wärme Berlin AG. “For over 20 years, we have been reliant on GE/Alstom technology, and we’re proud to work together with GE to install the world’s first GT13E2 upgrade manufactured with additive technology. The solution will help us improve the efficiency of heat and electricity production in Berlin.”
The AMP upgrade is a major contributor in achieving the Vattenfall Wärme Berlin AG’s strategic business objectives in energy management. The upgrade will enable Vattenfall’s Heizkraftwerk Berlin-Mitte to increase electrical power by approximately 21 MW and thermal heat generation by about 4 MW. The efficiency of the GT13E2 gas turbines will be improved by approximately 2.5 percent. In addition, the power plant will extend its major inspection interval by approximately two years.