Aggregation of Heterogeneous Flexibility Resources Providing Services for System Operators and the Market Participants

Balázs, István and Fodor, Attila and Magyar, Attila (2019) Aggregation of Heterogeneous Flexibility Resources Providing Services for System Operators and the Market Participants. Hungarian Journal of Industry and Chemistry, 47 (1). pp. 65-70. ISSN 0133-0276

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Abstract

Power systems characterized by large, centralized generation sources and the typical flow of energy from the transmission grid to the distribution grid towards consumers are evolving. The increasing penetration of intermittent and distributed renewable energy generation is forcing system operators to increase the volume of balancing capabilities and procure flexibility services at the distribution grid level that must be supported by the aggregation of small-scale resources connected at the distribution grid. This paper suggests an aggregator framework that provides services for both operators of transmission and distribution systems while optimizes its portfolio to perform on wholesale energy trading markets too. Overlaying phases of multi-period optimization runs are proposed that incorporate stochastic renewable energy generation as well as load forecasts and, moreover, the continuously changing business context while enabling cooperation between optimization phases throughout the business process.

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