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Reliability and Resilience Considerations for Transactive Energy Systems

This paper introduces a new context for addressing reliability and resilience objectives using transactive energy systems (TESs). TESs use a combination of market-like economic and control techniques to improve grid efficiency and reliability. The GridWise® Architecture Council (GWAC) believes that both elements—efficiency and reliability—must be considered for practical development and application of TESs [1], [2]. While TESs have been developed for efficient economic operations, the application of TESs toward reliability and resilience objectives has not been so straightforward. This paper offers a model of responses that a grid system might make to avoid, resist, or recover from an event and pairs these responses with the normal, stressed, or emergency grid conditions under which such responses are planned or activated. Existing grid products and services are then reviewed. TESs may either directly harvest the monetized values of these products or services at their boundaries or allow their market transactions to dynamically value the underlying objectives to which the TESs respond. Finally, an exercise is completed to develop example use cases for six viable pairings of the paper’s grid conditions and event responses. The authors compare the mitigations offered in these scenarios alternatively using existing products and services or TES approaches.