| AGM | Annual General Meeting of Shareholders |
| BoD | Board of Directors |
| CCA | Competitive capacity auction |
| CDA | Capacity delivery agreement |
| CHPP | Combined heat and power plant |
| CCGT | Combined cycle gas turbine unit |
| EBITDA | Earnings before interest, taxes, depreciation, and amortization |
| ECEEIP | Energy Conservation and Energy Efficiency Improvement Program |
| EPC | Engineering, procurement, and construction |
| ESG | Environmental, social and corporate governance |
| FGC UES | Federal Grid Company of the Unified Energy System |
| GRI | Global Reporting Initiative |
| GS | Guaranteed supplier |
| GTU (GTPP) | Gas turbine unit (gas turbine power plant) |
| HPP | Hydroelectric power plant |
| IFRS | International Financial Reporting Standards |
| IT | Information technologies |
| KPI | Key performance indicators |
| MHPP | Micro hydroelectric power plant |
| NP | Nonprofit partnership |
| NPP | Nuclear power plant |
| NPS | Customer loyalty index |
| OGC | Wholesale generating company |
| PB | Performance benchmark |
| PPE | Personal protective equipment |
| RAS | Russian Accounting Standards |
| RES | Renewable energy sources |
| RF | Russian Federation |
| RMICF | Risk Management and Internal Control Framework |
| SDG | UN Sustainable Development Goals |
| SME | Small and medium-sized enterprises |
| SO UES | System Operator of the Unified Energy System |
| SPO | Specialized procurement organization |
| SRO | Self-regulatory organization |
| TGC | Territorial generating companies |
| TLR | Overall level of engagement and loyalty |
| TPP | Thermal power plant |
| TSR | Total shareholder return |
| UES | Unified energy system |
| UISC | Unified Information and Settlement Center |
| WECM | Wholesale electricity and capacity market |
| WPP | Wind power plant |