July 24 (SeeNews) - Serbia's Serbskaya Generaciya, a joint venture of oil and gas company NIS [BEL:NIIS] and Gazprom unit Tsentrenergoholding, will start in the first half of 2016 the construction of a 140 MW gas-fired thermal power plant (TPP) in the Serbian town of Pancevo, NIS CEO Kiril Kravchenko said on Friday.