An aggregator collects data, content or output from many different smaller sources and combines them into a single large aggregate. These sources may include Battery storage facilities, but also renewable energy sources or conventional power stations. It acts as the link between the battery storage operator and ČEPS, which, as the national authority responsible for ensuring the operation of the transmission system, requests so-called ‘plus’ and ‘minus’ services in response to the current market situation regarding generation and consumption. The provider is remunerated for reserving your Battery storage facility and also receives remuneration for individual ‘activations’, i.e. the supply of or withdrawal of electricity to or from the grid.
The aggregator, at the customer’s discretion, ensures the participation of Battery storage systems in ČEPS auctions and subsequently issues commands to the Battery storage system as to whether to supply electricity to the grid or, conversely, to draw it from it. For this reason, the SOC (state of charge) level is usually within the optimal range of 50–60 per cent.
Radim Gabriš
Vedoucí oddělení Energy | Head of the Energy Department
