As peakshavers built between the 1970s and 1980s approach the end of their design life, increasing operational and upkeep costs have prompted owners and developers to explore refurbishment or replacement of the existing pretreatment and liquefaction equipment at their sites. Whereas critical components (such as LNG storage tanks) may be in excellent operational condition and capable of supporting future operations, other components (such as pretreatment and liquefaction systems) may need additional capital investment to control operational expenses and reliability risk. As a result, project developers and owners are increasingly expressing interest in studying and evaluating liquefaction replacement projects. Modern gas processing and liquefaction equipment can dramatically increase efficiency and simplify operation and maintenance. This paper outlines the typical project development path for a liquefaction replacement project and address common issues and decision points for Owners or project developers.
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