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Demand Response and Refrigeration

Brian Thompson and Chuck Sloup, Ezenics

Demand Response

Demand Response is reducing or curtailing their electricity use (load) when requested by the utility grid during periods of high power prices or when the reliability of the grid is threatened. Fault detection is different than demand response but can be used to determine if a demand reduction program has met its bid/goals. If the customer finds that they are not meeting bid/goals, analytics will be able to tell why the goals were not met in order to make changes so that the next DR event can be successful. For this to happen, building systems that consume energy need to be monitored for correct operation and coordinated in a central location. For instance, monitoring the operating modes of a lighting control system in a retail establishment will determine if they system is ready for an automated DR event such as shutting off certain lighting tracks in order to reduce load. This automated load reduction cannot be achieved if the lighting circuit HOA switch has been overridden to the hand position. Therefore the analytics will send a notice to the store team to make the correction to make the system ready

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