As the market leader in battery energy storage systems in Finland, Merus Power is proud to support the energy transition and collaborate with visionary organizations like Fingrid
Finland''s renewable energy storage solutions using the world''s largest sand battery cut emissions by 70% in Pornainen. The system stores 100 megawatt-hours of thermal energy
products and balancing capacity in the Finnish energy system are also studied and discussed. The review shows that in r. cent years, there has been a notable increase in the deployment of
With projects ranging from underground thermal vaults to cutting-edge battery systems, Finland''s approach to energy storage is about as diverse as its famous midnight sun phases.
Winda Energy has announced a 30MW/60MWh battery energy storage project in Rautavaara, Finland, marking its entry into the energy storage sector with construction set for
Future trends will determine that the energy storage sector in Finland offers promising potential. There are growing trends towards the integration of smart grid
The 70 MW/140 MWh BESS project will be located in Nivala, northern Finland. Set to go online in 2026, the facility will enhance grid stability, energy resilience and accelerate
This paper has provided a comprehensive review of the current status and developments of energy storage in Finland, and this information could prove useful in future
SEB Nordic Energy''s portfolio company Locus Energy, in collaboration with Ingrid Capacity, proudly announces the groundbreaking of one of Finland''s largest battery energy
SEB Nordic Energy''s portfolio company Locus Energy, in collaboration with Ingrid Capacity, proudly announces the groundbreaking of one of Finland''s largest battery energy storage system (BESS) in Nivala
"Inside the sand we build our heat transfer system that enables effective energy transportation to and from the storage. Proper insulation between the storage and environment

SEB Nordic Energy’s portfolio company Locus Energy, in collaboration with Ingrid Capacity, proudly announces the groundbreaking of one of Finland’s largest battery energy storage system (BESS) in Nivala Municipality, Northern Ostrobothnia.
Reserve markets are currently driving the demand for energy storage systems. Legislative changes have improved prospects for some energy storages. Mainly battery storage and thermal energy storages have been deployed so far. The share of renewable energy sources is growing rapidly in Finland.
After the start of commercial operations in 2026, the project will contribute an important balancing function to the Finnish grid, supporting the Finnish renewable energy expansion. The groundbreaking ceremony took place in the afternoon on Monday the 26th of May on the site near Nivala where the battery energy storage system will be built.
Currently, utility-scale energy storage technologies that have been commissioned in Finland are limited to BESS (lithium-ion batteries) and TES, mainly TTES and Cavern Thermal Energy Storages (CTES) connected to DH systems.
Energy storage systems offer a solution. “This groundbreaking is an important moment for Finland’s energy transition and a concrete step toward a more flexible, resilient, and decarbonized energy system,” said Jussi Jyrinsalo, Senior Vice President at Fingrid.
However, the energy system is still producing electricity to the national grid and DH to the Lempäälä area, while the BESSs participate in Fingrid's market for balancing the grid . Like the energy storage market, legislation related to energy storage is still developing in Finland.
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