Is energy storage a viable option in Finland?

This study reviews the status and prospects for energy storage activities in Finland. The adequacy of the reserve market products and balancing capacity in the Finnish energy system are also studied and discussed. The review shows that in recent years, there has been a notable increase in the deployment of energy storage solutions.

Is the energy system still working in Finland?

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.

Which energy storage technologies are being commissioned in Finland?

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.

Does Finland have an electricity market?

The Finnish electricity market is part of the Nordic, the most integrated and liberalized electricity market globally (International Energy Agency, 2023b). The Electricity Market Act of 1995 opened Finland’s electricity market to competition (Ministry of Economic Affairs and Employment).

Is energy storage the future of wind power generation in Finland?

Wind power generation is estimated to grow substantially in the future in Finland. Energy storage may provide the flexibility needed in the energy transition. Reserve markets are currently driving the demand for energy storage systems. Legislative changes have improved prospects for some energy storages.

How much does wind power cost in Finland?

Since 2019, wind power installations in Finland have been entirely commercially built and are mainly based on mutual power purchase agreements. The price levels for these agreements can be as low as 30 €/MWh , and onshore wind is currently the cheapest source of electricity in Finland .