Abstract

ABSTRACT Combined heat and power (CHP) has long been the most frequent application for distributed generation (DG) units. Indeed, the chemical, paper, and petroleum refining industries have converted their excess fuel stocks into power since the 1920s. Today, emerging technologies such as microturbines and fuel cells are increasingly being used for CHP. This is likely to remain the most important DG application for the next decade, with the existing installed distributed generation CHP base doubling by 2014. This article looks at both the United States historic DG installation record and suggests the likely size of the future distributed generation CHP market. Not only are market trends that influence the use of CHP identified, but by using a highly disaggregated and detailed model, their impacts on market potential are quantified. The article presents top-level insights into which CHP technologies and size ranges have been and will be the largest market segments for manufacturers, developers and fuel suppliers. The data has been calculated by region of the U.S. as well. These forecasts summarize the first DG CHP market assessment to consider the impact of higher gas prices. This information may assist policy making in the DG and CHP arenas, and could influence R&D efforts.

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