January 27, 2022. Moscow, Russia. PJSC RusHydro (ticker symbol: MICEX-RTS, LSE: HYDR; OTCQX: RSHYY) announces operating results for the 4^th quarter and full year ended December 31 2021, of the parent company and subsidiaries of RusHydro Group reflected in consolidated financial statements.

Solid production results driven by widespread geographical presence of generating facilities on river basins throughout the regions of presence.

2021 key highlights:

• 143,766 GWh (-3.3%) – total electricity generation of RusHydro Group including Boguchanskaya hydropower plant in 2021. Total electricity generation by RusHydro Group excluding Boguchanskaya hydropower plant amounted to 126,528 GWh (-3.4%)¹;

• 2 hydropower plants have set new all-time high annual record outputs: Sayano-Shushenskaya HPP (29,379 GWh, +10.4%) and Zeiskaya HPP (7,673 GWh, +37.9%)

• 116,261 GWh - electricity output from hydro and pumped storage plants incl. Boguchanskaya HPP (-4.3%)²;

• 27,075 GWh – electricity output from thermal power plants (+1.5%);

• 30,109 thousand Gcal/h – total electricity output from power plants in the Far Eastern Federal District (+2.6%);

• 46,389 GWh – sales by Group’s electricity retail companies (+2.1%)³.

Installed electric capacity of RusHydro Group

RusHydro Group’s installed capacity increased by 100 MW in 2021. The main drivers for change in installed electric capacity were increase of installed capacity of Ust-Srednekanskaya HPP (+117 MW) and increase of installed capacity of Nizhegorodskaya and Votkinskaya HPPs (+13 MW) following execution of comprehensive modernization program.

Installed heat capacity of RusHydro Group

The main change in installed heat capacity came on the back of decommissioning of boilers at Neryungri water boiler (200 Gcal/h) and decommissioning of heat generating unit at Komsomolskaya CHPP-1 (60 Gcal/h)

Electricity generation by the plants of RusHydro Group, GWh

The underlying factors of the production change in 2021 were:

• water inflows to the reservoirs of the Volga-Kama cascade at the normal level;

• water inflows to the  reservoirs in Siberia, Far East and Northern Caucasus above the normal level;

• increase of electricity consumption in the Far East by 1.1%

• increase of heat output in the Far East driven by weather conditions.

Heat output by RusHydro Group’s thermal plants in the Far Eastern Federal District in the fourth quarter of 2021 came in at 10,177 GCal, in 2021 – 30,109 GCal, a decline of 0.7% and increase of 2.6% respectively as compared to 2020.

Heat output by thermal plants of RAO ES of the East Subgroup, ‘000 GCal

Electricity retail

Total electricity output by RusHydro Group’s energy retail companies in 4Q 2021 and 2021 increased by 0.1% and 2.1% to 12,961 GWh and 46,389 GWh, respectively. The majority of decrease came on the back of climate factor aided by economic recovery as electricity consumption increased following lifting of restrictions implemented in 2020 on the back of COVID-19 pandemic spread.

Electricity output by RusHydro Group’s retail companies, GWh³

Water inflows forecast

According to the forecast of the Hydrometeorology Center of Russia, the following dynamics of water inflows to the major reservoirs is expected in the 1^st quarter of 2022:

• Total water inflows to reservoirs on Volga-Kama cascade are expected slightly below the normal level;

• Inflows to the reservoirs on the rivers Siberia and the Southern Caucasus above the normal level;

• In the Far East inflows to Zeyskoye reservoir are expected above the normal level, to Kolymskoye reservoir at the long-run average.
  

¹ Hereinafter data is reported excluding Armenia and Primorskaya GRES. On 11.03.2020 RusHydro has finalized divestment of its assets in Armenia to PJSC Hrazdan Power Company (HrazTES, Tashir Group). Primorksaya GRES was sold to SUEK Group in June 2020.

² The Boguchanskaya hydropower plant is part of the Boguchanskiy Energy and Metals Complex (BEMO), a 50/50 joint venture (JV) between RusHydro and UC RUSAL, and is not part of RusHydro Group. According to RusHydro’s shareholding in the JV (50%), the results of the plant are reported in the official financial statements in “Share of results of associates and jointly controlled entities”. Operations of the HPP have been put into the press-release for general reference.

³ Data excluding Chuvash Retail Company. On 23.09.2021, 100% share in Chuvash Retail Company was divested to Transenergoprom.