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Rolls-Royce to Construct Four Battery Energy Storage Systems in Latvia for Sunly

Rolls-Royce has been contracted by Sunly to develop four battery energy storage facilities in Latvia. This initiative marks a significant step in enhancing energy infrastructure and sustainability in the Baltic region.

6/21/2026, 7:32:03 AM

Rolls-Royce has secured a contract to develop four advanced battery energy storage systems (BESS) in Latvia for the energy company Sunly. This undertaking represents a notable expansion of renewable energy infrastructure within the Baltic nation, as reported by Yahoo Finance. The agreement involves Rolls-Royce’s power systems business unit, which will be responsible for providing its mtu EnergyPack QF solutions. These particular systems are designed to offer quick-start capabilities, an essential feature for maintaining grid stability and integrating intermittent renewable energy sources effectively. Each of the four facilities will be located within existing solar farms operated by Sunly. By co-locating the battery storage with solar generation, the project aims to optimize the use of renewable energy, storing surplus power generated during peak sunlight hours and releasing it back into the grid when demand is higher or solar generation is low. Developing these storage units is expected to contribute significantly to Latvia's energy independence and its efforts to transition towards a more sustainable energy landscape. The technology supplied by Rolls-Royce will help manage fluctuations inherent in renewable energy production, ensuring a more reliable and consistent power supply for consumers. Sunly, a prominent player in the renewable energy sector, has been actively investing in various green energy projects across the Baltic states. This collaboration with Rolls-Royce underscores their commitment to advancing sustainable energy solutions and strengthening the regional energy grid. The project is anticipated to enhance the operational efficiency of Sunly’s solar assets and provide crucial grid support services, including frequency regulation and voltage stabilization. These capabilities are vital for modern electricity grids that are increasingly incorporating diverse and decentralized power sources. This initiative highlights the growing trend of integrating sophisticated energy storage technologies with renewable energy generation to create more resilient and efficient power systems. The partnership between Rolls-Royce and Sunly is poised to set a precedent for future renewable energy developments in the region.

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