In North America, renewable power sources and gas turbines are often in the news, but globally, steam turbines generate the largest portion of electricity, and they will remain a predominant power-generation technology for many decades. Because steam turbines represent a preponderance of our power-generation base, it is essential to continue to drive turbine technology development. Until now, the main technical barrier limiting large efficiency improvements was the temperature constraint imposed by available materials. Today, the game is changing. Due to advancements in materials, we now have a chance to make unprecedented improvements in steam turbine power plant efficiency by raising the inlet temperature hundreds of degrees through the use of new tailored superalloys.

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