The FB is the latest evolutionary step in GE's proven F series. Taking F technology to a new level of output and efficiency, we have utilized both our cutting-edge technology, including the materials developed for the H System™, and our leadership position with millions of fired hours in advanced gas turbine experience. The result is a large combined cycle system designed to provide high performance and low electrical cost. Improved output and efficiency means better fuel economy and reduced cost of producing electricity. With today's competitive markets and unpredictable fuel prices, this—now more than ever—is the key to success. In developing the FB, we followed a specific course that significantly improved the key driver of efficiency: firing temperature. The FB firing temperature was increased more than 100 degrees Fahrenheit over GE's FA technology, resulting in combined cycle efficiency rating improvements of better than 1 percent. Output improvements of more than 5 percent were also achieved. These improvements equate to more MW per MBtu of natural gas burned. The use of advanced turbine materials, such as single crystal first-stage buckets, ensures that components can stand up to the higher firing temperatures of the FB without an increase in maintenance intervals. Providing the basis of process rigor, Six Sigma methodologies were used to assure a highly reliable robust design optimized for lowest cost of electricity. Indeed, in developing the FB, we were able to maintain many of the proven features of the world's most successful advanced technology turbine, the F/FA.
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