February 10 (SeeNews) - Romania's nuclear power plant operator Nuclearelectrica [BSE:SNN] said it plans to invest up to 8.9 million lei ($2.7 million/1.9 million euro) in the Tarnita-Lapustesti pumped-storage hydropower plant (HPP) project and 2.0 million euro ($2.7 million) in the construction of a subsea power cable.