B. Biegel, P. Andersen, T. Pedersen, K. M. Nielsen, J. Stoustrup, L. H. Hansen
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Electricity market optimization of heat pump portfolio
We consider a portfolio of domestic heat pumps controlled by an aggregator. The aggregator is able to adjust the consumption of the heat pumps without affecting the comfort in the houses and uses this ability to shift the main consumption to hours with low electricity prices. Further, the aggregator is able to place upward and downward regulating bids in the regulating power market based on the consumption flexibility. A simulation is carried out based on data from a Danish domestic heat pump project, historical spot prices, regulating power prices, and spot price predictions. The simulations show that electricity price reductions of 18-20% can be achieved compared to the heat pumps currently in operation.