Neoen SA (<a href="https://live.euronext.com/en/product/equities/fr0011675362-xpar/neoen/neoen" target="_blank">EPA:NEOEN</a>) said today it has launched construction of its 56.4-MW/112.9-MWh Yllikkala Power Reserve Two battery (YPR2) in Finland, which is set to become the largest in the Nordics.