At a glance

GRI 2-6

PJSC Rosseti South is the largest power grid company in the south of Russia, part of the Integrated Energy System (IES) of the South of the Unified Energy System (UES) of Russia.

Consumers of PJSC Rosseti South’s services are electricity retailers, subjects of the wholesale and retail electricity markets, and direct consumers of services.

Core activities

Electricity transmission and distribution
Grid connection
Care and maintenance, upkeep and renewal of power facilities

Systemic Territorial Grid Organisation (SGO)

In accordance with Federal Law No. 35-FZ, dated 26 March 2024, ‘On the Electric Power Industry’, the heads of the regions designated PJSC Rosseti South as the systemic territorial grid organisation for the entire territory of its responsibility for the period from 2025 to 2029.

As a SGO, the Company functions as a single point of contact for consumers of power transmission services, ensuring reliable and uninterrupted power supply.

Branch	Region of responsibility
Astrakhanenergo	Astrakhan Region
Volgogradenergo	Volgograd Region
Kalmenergo	Republic of Kalmykia
KubanenergoUntil 1 December 2025 — JSC Rosseti Kuban.	Krasnodar Territory, Republic of Adygeya, Sirius Federal Territory
Rostovenergo	Rostov Region

Key indicators in 2023–2025

Indicators	2023	2024	2025	Change 2025/2024, %
Scope of service, thousand c.u.	1,205.045	1,210.969	2,021.853	+67.0
Length of power transmission lines by circuits, thousand km	164.300	165.287	265.037	+60.3
Number/capacity of 35–220 kV substations/MVA	1,214 / 18,985.46	1,221 / 19,207.04	1,968 / 32,014.27	+61.2 / +66.7
Number/capacity of 6–10 (35) / 0.4 kV transformer stations/MVA	33,410 / 5,866.06	34,044 / 6,008.01	62,866 / 13,658.88	+84.7 / +127.3
Power grid branches	4	4	5	+25.0

By the end of 2025, there has been a significant increase in the volume of power grid equipment, which is caused by:

The merger of JSC Rosseti Kuban in to PJSC Rosseti South;
Commissioning of newly built transmission lines, substations and transformer substations (during grid connection);
Conclusion of lease agreements for power transmission lines, transformer substations and equipment of substations, as well as acceptance of ownerless transmission lines and transformer substations on the Company’s balance sheet (during consolidation of power grid assets);
Replacement of current transformers with higher-rating transformers.