Flexible coordination strategy against uncertainties in the local energy market

The uncertainties of renewable generation and energy prices in the market necessities flexible strategies in coordinating the energy in the integrated energy system (ES). In this study, the authors propose a price-based flexible coordination strategy for the generation company who owns combined heat and power, photovoltaic (PV) and ES to develop a day-ahead self-dispatch schedule. The objective function is to maximise the profit from coordination, including the profit from the day-ahead energy market and the profit from settling the deviated generation in the intra-day market. To hedge against uncertainties in wholesale energy prices, PV power output and load patterns, the interval optimisation formulations with a pessimistic degree for the decision maker are presented to cover all the feasible scenarios. Numerical analysis shows that the profit is enhanced via the proposed coordination strategy, which signifies the feasibility of the proposed method.