The Latvian transmission system operator JSC "Augstsprieguma tīkls" (AST) signed a contract for the supply and installation of the battery energy storage system (BESS - Battery Energy Storage System) in substations in Tume and Rēzekne with the German company Rolls-Royce Solutions GmbH, whose offer to implement the project for EUR 77.07 million was the most economically advantageous in the competition of three suppliers. The implementation of the contract will be started immediately, the equipment supplier will cooperate with Germany's "LEC Construction International GmbH" and Latvia's SIA "Enersense".

The supply and installation of the battery systems in with a total capacity of 60 MW and a storage capacity of 120 MWh Rezekne will be 100% financed by the European Union under the Recovery and Resilience Facility (RePowerEU), while the 20 MW/40 MWh BESS in Tume and the substation expansion works in Tume and Rēzekne will be 75% co-financed by the Connecting Europe Facility (CEF). 

More information on the BESS project is available at AST website https://www.ast.lv/en/events/winner-tender-supply-and-installation-battery-systems-secure-energy-supply-latvia-has-been. 

About AST 

AST is a Latvian electricity transmission system operator that provides continuous, safe and sustainably efficient electricity transmission throughout Latvia. Its vision is to become the leading transmission system operator in the region, which operatively and successfully implements development-orientated changes. AST owns 68.46% of the shares in the natural gas transmission and storage system operator Conexus Baltic Grid AS. 

Additional information: 

Elīna Grīvāne 

Tel. +371 27060306 

E-mail: elina.grivane@ast.lv