We have run the ERS to demonstrate the proposed frame- work with power consumption data (whose size is approx- imately 20GB or more) collected from each of over 240 rooms in a building at Dept. of Engineering, Tokyo University in 2011. The ERS have detected several outliers on power consumption data set, caused by some events. The findings of the power consumption patterns at the detected events can be used for the optimal power control when the same events are likely to occur in the future.