On 21 October 2019, a new transformer was delivered to Yanikoski HPP of TGC-1. The replacement of equipment is carried out within the framework of the sweeping rebuild of hydro power plant

On 15 October 2019, TGC-1's Board of Directors held a meeting in the form of absentee voting

On 3 October 2019, functional testing of the impeller for hydroelectric generating unit No. 1 of Verkhne-Tulomskaya HPP was conducted in the Czech Republic at the ČKD Blansko Holding plant, a subsidiary of JSC TYAZHMASH. Representatives of TGC-1 and the general contractor Teploenergoremont LLC took part in the testing. The purpose of the testing is to confirm the main functional characteristics of the new impeller

On 3 October 2019, the awarding ceremony of the Fifth MediaTEK-2019 All-Russian Contest was held as part of the business programme of the Russian Energy Week International Forum

Vadim Vederchik was appointed Managing Director of TGC-1 in connection with the termination of an employment contract with Alexey Barvinok, the former General Director of TGC-1

On 27 September 2019, Extraordinary General Shareholders Meeting of TGC-1 took place as an absent voting

Starting from 24 September 2019, in accordance with the order of the Energy and Engineering Committee under St. Petersburg Administration, nine combined heat and power plants of TGC-1 in St. Petersburg will operate in a winter heat delivery mode. At the same time, the connection of residential facilities, adjustment of domestic heat supply systems is made by management organisations in stages and takes several days

International rating agency S&P Global Ratings approved the rating of TGC-1 as BBB-/Stable.

On 20 September 2019, Petrozavodskaya CHPP, the major heat supply plant of Petrozavodsk, switched to winter operating mode, in accordance with the order of the Ministry of Construction, Housing and Communal Services, and Energy of the Republic of Karelia