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Document Type:Technical Update
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This report provides appendices that support EPRI report 1023644, which describes the Phase 2 (final) analysis of residential customers' response to Commonwealth Edison's Customer Application Program (CAP). The report contains technical materials that describe in detail the methods employed in conducting the Phase 2 analysis and presents the results of the application of additional data and methods in Phase 2.
BackgroundThe Phase 2 analysis of the CAP extends the methods and updates the results of the earlier analysis documented in the Phase 1 report (1022703) and Phase 1 appendices (1022761). It addresses an important part of determining how the Smart Grid can best facilitate demand response motivated by residential pricing structures. The report is part of a series of studies contributed by the Electric Power Research Institute (EPRI) to help the power industry exploit technological advances to increase reliability and reduce costs while adapting to increased environmental constraints on the ways that the industry provides its services to customers.
ObjectiveDemand response is becoming increasingly important as an adaptation to the rising costs of building new generation plants, siting new transmission and distribution facilities, and dealing with a host of environmental issues, notably including climate change. Improvements in communications and controls reduce costs and extend the range of potentially responsive loads. Many regulators are pressing utilities to fully utilize a range of demand response solutions. An analysis of the efficacy of Smart Grid technologies in facilitating demand response is essential to determining how these technologies should be used.
ApproachThis report describes the methods by which EPRI researchers are evaluating the efficacy of Smart Grid technologies in providing demand response to Commonwealth Edison, and provides the results from this evaluation.
ResultsThe main purpose of the analysis described in these appendices and the associated report is to determine the extent to which residential customers' consumption of electricity is affected by various combinations of innovative rate design and Smart Grid enabling technologies. This report serves as a technical document that supports the Phase 2 final analyses presented in EPRI report 1023644. It describes the model and methods that were deployed to test the hypotheses (described in detail in EPRI report 1022266) established to guide the development and evaluation of the CAP.
Application, Value and UseThe wide range of issues addressed in the CAP required the use of several methods to test hypotheses and produce data that characterize how customers responded to the applications that were administered. The Phase 1 analysis, which was conducted in the late fall of 2010, utilized metered and other CAP program data for the months June–August 2010. Because that period was designed for implementing high prices for critical peak pricing (CPP), peak-time rebate (PTR), and real-time pricing (RTP), it focused on quantifying impacts for these three dynamic rate options. Accordingly, the most relevant elements of this report are those that discuss how CAP participants reacted to those prices, and the corresponding results of their applications. Additional applications were also tested in Phase 1 and confirmed or furthered in the Phase 2 analysis utilizing data through the end of the experiment in May of 2011.
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