UIOSI principle
European Union Electricity Market Glossary




'UIOSI' (use-it-or-sell-it) means the principle according to which the underlying cross-zonal capacity of physical transmission rights purchased and non-nominated is automatically made available for day-ahead capacity allocation and according to which the holder of these physical transmission rights receives remuneration from the Transmission System Operators (TSOs) (Article 2(6) of the Network Code on Forward Capacity Allocation).



Last Updated on Saturday, 18 March 2017 11:34


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