Abstract
This paper presents an analysis of the impact of demand response on island power system operation. Demand responsive HVACs and battery storages are taken as an example of rural grid demand response participant. Day-ahead and real-time scheduling of a rural island grid are discussed. Day-ahead scheduling handles the problem of rural island grid electricity market day-ahead clearance, and an iterative algorithm is presented to solve the problem. Real-time scheduling aims to respond to real-time forecasted deviation in renewable generation and system load, and is solved by minimizing system real-time line loss. Real-time scheduling at different temporal scales respond to real-time rural grid situation using different sets of demand responsive loads. Results from case study show that demand response is able to make a considerable contribution to local integration of renewable energy, and stabilize electricity price effectively in rural island power systems.
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