On 29 September 2020, Standard & Poor’s Global Ratings affirmed credit ratings on TGC-1 to “BBB-”, with the Stable Outlook.

TGС-1 PJSC completed the replacement of the main steam pipeline of generator unit No.5 at Severnaya CHPP. Earlier similar works were performed on units 1–4. The implemented measures will increase reliability and safety of the station equipment operation.

TGC-1 PJSC has successfully passed the certification process for the compliance with ISO 50001:2018 Energy Management Systems requirements.

They have commenced service lane renovation at the Verkhne-Svirskaya HPP of TGC-1 PJSC. The first phase will include underwater work to restore the load carrying capacity of the service lane supports.

On 1 September 2020, Fitch Ratings affirmed the long-term foreign currency and national currency issuer default ratings (IDR) for TGC-1 at BBB with Stable Outlook, with its short-term foreign currency and national currency IDRs affirmed at F3.

September 2, 2020, in Murmansk Andrey Chibis, Governor of the Murmansk Oblast, Vadim Vederchik, Managing Director of TGC-1 PJSC, and Stanislav Nazarov, General Director of "Murmanskaya CHPP" JSC, signed a cooperation agreement.

AK&M Rating Agency has released the third Social Efficiency Ranking of major Russian corporations for 2019, with TGC-1 ranking first in the Energy sector.

TGC-1 PJSC has completed the scheduled overhaul of 29.5 MW hydroelectric generating unit no. 2 at Lesogorskaya HPP, one of the oldest power plants in Russia, to increase the reliability of the plant’s equipment.

TGC-1 PJSC has completed the scheduled overhaul of 29.5 MW hydroelectric generating unit no. 2 at Lesogorskaya HPP, one of the oldest power plants in Russia, to increase the reliability of the plant’s equipment.

TGC-1 releases interim abbreviated unaudited consolidated Financial Statements for the 6 months period, ended 30 June 2020 prepared in accordance with International Financial Reporting Standards (IFRS).