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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.
System data

Existing 330kV lines

Events
Announcements
AST nine-month financial results: nearly 100 million euros invested in electricity transmission network development and security

Latvia’s transmission system operator, JSC Augstsprieguma tīkls (AST), invested 99,99 million EUR in electricity transmission development and security during the first nine months of 2024. The…

Announcements
Electricity transmission system operators of Continental Europe adopted decisions on Baltic states synchronisation

The electricity transmission system operators (TSOs) of the Continental Europe Synchronous Area adopted decisions on Baltic states power systems two-day isolated operation test from February 8 to…

Market
Baltic TSOs notify on the use of market-based allocation of cross zonal capacity for the Baltic Balancing Capacity Market

The Transmission System Operators of the Baltic Capacity Calculation Region (Baltic CCR) expect to take the common Baltic market-based allocation process of cross-zonal capacity for the exchange…

All events
Development
Management and development of the Latvian transmission system and its integration into the European energy system.
Development projects
Reconstruction of the existing Latvija - Estonia 330kV interconnections
Reconstruction of the existing Latvija - Estonia 330kV interconnections
Transmission Line Riga CHP-2 - Riga HPP
Transmission Line Riga CHP-2 - Riga HPP
Latvia - Estonia third interconnection
Latvia - Estonia third interconnection
The Kurzeme ring
The Kurzeme ring
Services
We provide all market players with equal access to the transmission network and with transmission services according to the defined transmission service rates.
SERVICES OF THE TECHNICAL EXPERTISE DEPARTMENT
Diagnostics and expertise of technical condition and characteristic values of the electric safety means, power systems and electrical equipment, environmental parameter testing.
Connections to the transmission grid
Arranging system connections for electricity Users and Producers. Increasing the permitted load of existing connections.
Balancing and other ancillary services
Balancing and other ancillary services
System use, Balance and Balance service agreement templates and relevant terms and conditions. Information on imbalance administration costs
Energy identification codes
Granting and issue of energy identification codes.