Glossary
| Terms, abbreviations | Definitions |
| AMS | asset management system |
| APCS | automated process control system |
| CPL | cable power line |
| EBITDA | earnings before interest, taxes and depreciation |
| FAS | Federal Antimonopoly Service |
| FEC | fuel and energy complex |
| FTS | Federal Tariff Service |
| IDGC of the South, Company | IDGC of South PJSC |
| IFRS | international financial reporting standards |
| ITT | information technology and telecommunications |
| JSC | Joint-Stock Company |
| KPI | key performance indicators |
| Last mile | communication channel from service provider to subscriber |
| Media | media organisations |
| NCC | network control center |
| OHL | overhead power line |
| PDZ | power distribution zone |
| PL | power line |
| Power loss | the difference between mains and net power |
| PSP | power system protection |
| RAS | Accounting Regulations |
| RGR | required gross revenue |
| R&D WMEP | research and development wholesale market for electricity and power |
| RTS | Regional Tariff Service |
| SAC | subsidiary and associated companies |
| SS | substantion |
| TNO | territorial network organization |
| UNEN | United National Electrical Network |
| WS | autumn-winter period |