December 4 (SeeNews) - Croatia's TE Plomin, owner of the 210 megawatt Plomin 2 thermal power plant (TPP), has signed a 17 million euro ($20.9 million) agreement with Alstom for the construction of a Selective Catalytic Reduction (SCR) plant, TE Plomin's co-owner, state-owned energy utility HEP, said on Thursday.