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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
Announcements

AS Augstsprieguma tīkls (AST) invites to participate in a virtual conference (webinar) organised by the company on September 7, 2026 at 12 PM (EEST). The webinar will be open…

Announcements

Latvia’s transmission system operator AS Augstsprieguma tīkls (AST) invested EUR 48.67 million in the development of the electricity transmission grid during the first half of 2026, strengthening…

Announcements

As Olga Bogdanova concludes her term as Chairperson of the Supervisory Board of AS Augstsprieguma tīkls (AST), the company's shareholder, the Ministry of Climate and Energy, will organise an open…

Announcements

Pursuant to Letter No. 1-23/2686 of 19 August 2026 of the Ministry of Climate and Energy, the shareholder of AS "Augstsprieguma tīkls", entitled "On Convening an Extraordinary General Meeting of…

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.