February 12, 2020, in St. Petersburg the representatives of Russia, Norway and Finland have signed the Protocol for Water Regime Regulation of Lake Inari (Finland) which is used by Russian and Norwegian HPPs.

According to 2019 results, electricity output of TGC-1, including PJSC Murmanskaya CHPP, comprised 28,275.0 million kWh, which is 3.6% lower compared to 2018.

24 MW hydroelectric unit #2 at Poduzhemskaya HPP has been completely overhauled by TGC-1 power engineers.

On 13 January 2020, the Analytical Credit Rating Agency (ACRA) affirmed TGC-1 credit rating at AA according to the Russian national scale with outlook Stable.

In Yekaterinburg, the Ural Turbine Works has accepted the first batch of new equipment for TGC-1's Avtovskaya CHPP renovation.

The Boards of TGC-1, PJSC OGK-2 and PJSC Mosenergo have decided to join the Gazprom Group's centralised cash flow and liquidity management system (cash pooling). The cash pooling leader is PJSC Gazprom.

Power engineers of the Severnaya CHPP completed the refurbishment of power unit No. 4. A considerable amount of work was done — the main steam pipeline was replaced, control circuits were updated, and the system of automatic ignition of gas torches was installed

TGC-1 has obtained the Certificate of Readiness for the heating season 2019–2020. The decision was made by order No. 1225 by the Ministry of Energy of the Russian Federation dated 15 November 2019 "On the Results of Assessment of Readiness of Electric Power Facilities for the Heating Season 2019–2020"

TGC-1 releases unaudited interim consolidated Financial Statements for the 9 months period, ended 30 September 2019 prepared in accordance with International Financial Reporting Standards (IFRS).

TGC-1's interactive annual report for 2018 that was designed jointly with 2PR received a platinum award at MarCom Awards-2019, a prestigious international competition of design projects in the field of marketing, corporate communications and PR