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During realization of bilateral supply contracts and electricity trade contracts deviations between realized and scheduled values are present. Since the power system operation is based on the balance between the electricity demand and supply, there is a constant need for system balancing. The real time system balancing is responsibility of HEP-Operator prijenosnog sustava (HEP-TSO).
In order to cover power system deviations in each hour, HEP-TSO offers balancing energy for sale or purchase to market participants. HROTE calculates the balancing energy, and HEP-TSO according to the calculation charges balancing costs from balance responsible parties. Balance responsible parties are any producer, supplier and trader. Each of them shall enter into the balancing energy contract with HEP-TSO. Calculation and billing of balancing energy are carried out in accordance with Balancing Energy Rules.
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