The Canadian supplier, which offered the lowest price, will deliver 120 tons of uranium dioxide, Nuclearelectrica said in a statement.
Nuclearelectrica ran two six-month contracts this year with Cameco for equal quantities of uranium.
Energy
Nuclearelectrica Awards Third Contract to Canadian Uranium Supplier
Romanian state-run nuclear power producer Nuclearelectrica (SNN.RO) will continue to buy uranium dioxide from Canada's Cameco, which was awarded a six-month contract that starts in January 2017.