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MW
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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

Events
Development

To agree on the next development steps of the potential Latvia–Sweden electricity interconnection LaSGo, the electricity transmission system operators of the two countries – AS Augstsprieguma…

Development

The development of the fourth Estonia-Latvia electricity interconnection will significantly increase the reliability and stability of the region’s power systems and facilitate the integration of…

Announcements

The Supervisory Board of AS “Augstsprieguma tīkls” (AST) has decided that, as of 15 July 2026, the current Management Board Member for Development, Arnis Daugulis, will continue performing his…

Development

The Latvian transmission system operator AS "Augstsprieguma tīkls" (AST) informs that the construction of the building "Jāņciems" of Latvia’s power system main dispatcher control and data centre…

Development
Management and development of the Latvian transmission system and its integration into the European energy system.
Services
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.