The state-run company had hoped to sell 124,520 megawatt-hours of electricity.
Hidroelectrica has 80.05% of its shares in the hands of the economy ministry, while Fondul Proprietatea holds a 19.95% stake. (EUR1=RON4.5239)
Romanian hydropower producer Hidroelectrica received no bids at an auction Friday, during which it sought to sell electricity worth 21.17 million lei (EUR4.68 million), energy exchange data showed.