Naftogaz Teplo LLC, a subsidiary of Naftogaz Ukrayiny, which manages Novoyavorivska and Novorozdilska combined heat and power plants (CHPP) and thermal power plants (TPP, Lviv region) and is awaiting the transfer of six larger state-owned CHPPs to its management, estimates the amount of financing for their modernization at about $900 million, head of the company Vitaliy Mykhaile said.