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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

JSC "Augstsprieguma tīkls" (AST) invites to participate in a virtual conference (webinar) organized by the company on May 7, 2024 at 11 AM (EEST). The webinar will be open to all registrants…

Announcements

In 2023, the Latvian transmission system operator JSC “Augstsprieguma tīkls” (“AST”) implemented significant projects to strengthen the electricity network aimed at increasing Latvia’s energy…

Market

As of January 2018, JSC "Augstsprieguma tīkls" alongside the other Baltic transmission system operators (TSOs) operate in a common model for balancing of power systems of Latvia, Estonia…

Development

To protect the cranes, ospreys and curlews nesting in the Pukši marsh, AS Augstsprieguma tīkls (AST) has installed bird diverters on the rebuilt 330 kV power line from Valmiera to Tsirgulina (…

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.