Glossary
| AC | Audit Committee under the Board of Directors |
| ACRA | Analytical Credit Rating Agency |
| AERS | Automatic Emergency Response System |
| AMDS | Automatic Monitoring and Dispatching System |
| APCS | Automated Process Control System |
| APMS | Automatic Process Management System |
| BAM | Baikal‑Amur Mainline |
| Bank of Russia | Central Bank of the Russian Federation |
| Bird Diverter | Bird Diverter |
| Board | Board of Directors |
| BRELL | Energy Ring of Belarus, Russia, Estonia, Latvia and Lithuania |
| CGC | Corporate Governance Code |
| CHPP | Combined Heat and Power Plant |
| CIGRE | International Council on Large Electric Systems of High Voltage |
| CIS | Commonwealth of Independent States |
| Computer | Electronic Computing Machine |
| Director | Member of the Board of Directors of PJSC Rosseti |
| EBITDA | Earnings before Interest, Taxes, Depreciation and Amortisation EBITDA is calculated as earnings before income tax expense, interest expense, depreciation and amortisation and net impairment loss |
| ED | Executive Documents |
| EEC | Eurasian Economic Commission |
| EMS | Environmental Management System |
| EnMS | Energy Management System |
| ESG | Environmental, Social, Governance |
| FAS | Federal Accounting Standards |
| FAS of Russia | Federal Antimonopoly Service |
| FEC | Fuel and Energy Complex |
| FFMS | Federal Financial Markets Service |
| FOCL | Fibre‑Optic Communication Line |
| FSBEI HE | Federal State Budgetary Educational Institution of Higher Education |
| FZ | Federal Law |
| GC | Grid Connection |
| GDP | Gross Domestic Product |
| GOST | National Standard |
| GRES | State District Power Plant |
| HPP | Hydro Power Plant |
| HSMT | Health and Safety Management System |
| IC | Investment Committee under the Board of Directors |
| ICPS | Interconnected Power System |
| ICS | Internal Control System |
| IDC | Interdependent Companies |
| IDGC | Interregional Distribution Grid Company |
| IDP | Innovative Development Programme |
| IEC | International Electrotechnical Commission |
| IFRS | International Financial Reporting Standards |
| IMF | International Monetary Fund |
| IR | Investor Relations |
| ISO | International Organization for Standardization |
| ISTL | Inter‑State Transmission Lines |
| JSC | Joint Stock Company |
| KOR | Key Operational Risk |
| KPI | Key performance indicators |
| LGO | Local Grid Operator |
| LLC | Limited Liability Company |
| LTDP | Long‑Term Development Programme |
| M&A | Mergers and Aquisitions |
| Mass Media | Mass media |
| MC | Management Company |
| MED | Ministry of Economic Development of the Russian Federation |
| MGIMO | Moscow State Institute of International Relations |
| Minenergo of Russia | Ministry of Energy of the Russian Federation |
| MPE | Mining and Processing Enterprise |
| MPEI | National Research University “Moscow Power Engineering Institute” |
| MPG | Main Power Grids |
| MPGE | Main Power Grid Enterprise |
| MSU | Moscow State University |
| NCGR | National Corporate Governance Rating |
| NPP | Nuclear Power Plant |
| NPP | Non‑Profit Partnership |
| OHSMS | Occupational Health and Safety Management System |
| OJSC | Open Joint Stock Company |
| OLTC | On‑Load Tap‑Changer |
| OPM | Operational and Process Management |
| OTL | Overhead Transmission Line |
| PCB | Polychlorinated Biphenyls |
| PDA | Priority Development Area |
| PJSC | Public Joint Stock Company |
| PRC | Personnel and Remuneration Committee under the Board of Directors |
| PTL | Power Transmission Line |
| QMS | Quality Management System |
| QR‑code | Quick Response Code |
| R&D | Research and Development |
| RAS | Russian Accounting Standards |
| RES | Renewable Energy Sources |
| RF | Russian Federation |
| RJSC | Russian Joint Stock Company |
| RMS | Risk Management System |
| RNC CIGRE | International Council on Large Electric Systems of High Voltage |
| RPA | Relay Protection and Automatics |
| RUIE | Russian Union of Industrialists and Entrepreneurs |
| S&A | Subsidiaries and Affiliates |
| SC | Strategy Committee under the Board of Directors |
| SH | Stakeholder |
| SME | Small and Medium Enterprises |
| SoS | Subsidiary of Subsidiary |
| SPbU | Saint Petersburg State University |
| SPP | Solar Power Plants |
| SRO AAS | Self‑Regulatory Organisation of Auditors Association “Sodruzhestvo” |
| SS | Substation |
| STC | Scientific and Technical Centre |
| Subsidiary | Subsidiaries |
| UES (UPS) | Unified Energy System (Unified Power System) |
| UN | United Nations |
| UN SDGs | United Nations Sustainable Development Goals |
| UNECON | Saint Petersburg State University of Economics |
| UNPG | Unified National Power Grid (of Russia) |
| VAT | Value Added Tax |
| WECM | Wholesale Electricity and Capacity Market |
| WPP | Wind Power Plant |
| Units of Measurement | Definition |
|---|---|
| bln | billion |
| GVA | gigavolt‑ampere |
| GW | gigawatt |
| km | kilometre |
| kV | kilovolt |
| kWh | kilowatt‑hour |
| mln | million |
| MVA | megavolt‑ampere |
| MWh | megawatt |
| p.p. | percentage point |
| pcs | piece |
| RUB | Russian rouble |
| t | tonne |
| TFOE | tonne of fuel oil equivalent |
| thsd, ‘000 | thousand |
| trln | trillion |
| unit | unit |