Wholesale bess storage system in finland

4 FAQs about Wholesale bess storage system in finland

How many MW of Bess are there in Finland?

BESS now, BESS later In terms of BESS capacity, approximately 250 MW of BESS capacity is operational across Finland as of mid-2025. The country added the 5 MW/10 MWh Rando Grid facility in January 2025 (in record time) and the 30 MW/41 MWh Ainola BESS was completed in June 2025.

How does Bess make money in Finland?

Today, BESS's most significant revenue sources in Finland are frequency containment reserves (FCR-N, FCR-D up, and FCR-D down). Prices of FCR-N and FCR-D up have continuously increased for the past few years. Fingrid procures these reserves based on competitive bidding from the yearly and hourly markets.

How many services can a Bess provide?

The BESS is, however, capable of providing a suite of thirteen general services to the electricity system . The BESS can be sited at three different levels: 1. behind the meter, 2. at the distribution level, or 3. at the transmission level. The BESS's deployed at all levels on the electricity system can add value to the grid.

How does Bess work?

BESS owners can participate in the Nordic wholesale electricity market, operating on a joint Nordic power exchange called Nord Pool. BESS operators can also participate in cross-border markets to provide storage capacity for ancillary services, such as frequency regulation, which helps maintain grid stability and reliability.