Existing 330kV lines

Moving energy
High voltage power transmission and servicing the 330kV and 110kV power transmission lines in the Territory of Latvia.

The physical flows of electricity shown on the map are technical transit flows that enter the power system across one border and leave the power system across another border. Technical transit flows are not an indicator for commercial supplies.

Existing 330kV lines


In the first three months of 2024, the Latvian transmission system operator JSC "Augstsprieguma tīkls" (AST) invested EUR 13.69 million in electricity transmission assets, of which EUR 9.55…


On May 31st 2022, the Baltic Transmission System Operators (Baltic TSOs) Augstsprieguma tīkls, Elering and LITGRID had jointly prepared harmonized principles for Baltic LFC reserve…


The equipment of Latvia's first synchronous condenser has been delivered to JSC "Augstsprieguma tīkls" (AST) new condenser station's building in Grobiņa. The synchronous condenser is produced in…


Since 2020, AS "Augstsprieguma tīkls" (AST) has joined unified European Energy Certificate System (EECS) and issues EECS compliant Guarantees of Origin (GOs). This enables electricity producers…

Management and development of the Latvian transmission system and its integration into the European energy system.
We provide all market players with equal access to the transmission network and with transmission services according to the defined transmission service rates.
Diagnostics and expertise of technical condition and characteristic values of the electric safety means, power systems and electrical equipment, environmental parameter testing.
Arranging system connections for electricity Users and Producers. Increasing the permitted load of existing connections.
Balancing and other ancillary services
System use, Balance and Balance service agreement templates and relevant terms and conditions. Information on imbalance administration costs
Granting and issue of energy identification codes.