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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

Latvian transmission system operator JSC "Augstsprieguma tīkls" (AST) has developed and publishes revised Rules for providing the balancing service under the system ancillary service agreement (…

Development

The study, ordered by Latvian transmission system operator JSC "Augstsprieguma tīkls" and carried out by French consultancy Artelys, shows that innovative grid measures can help increase the…

Announcements

In the first half of 2024, Latvian transmission system operator JSC "Augstsprieguma tīkls" (AST) invested EUR 50.41 million in the development and reliability of electricity transmission network…

Announcements

JSC "Augstsprieguma tīkls" (AST) invites to participate in a virtual conference (webinar) organised by the company on September 5, 2024 at 11 AM (EEST). The webinar will be open to all registrants…

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.