OL3 has a big one for grid support purposes: https://www.tvo.fi/en/index/news/pressreleasesstockexchangereleases/2022/theoperationofthebatteryenergystoragesyste

OL3 has a big one for grid support purposes: https://www.tvo.fi/en/index/news/pressreleasesstockexchangereleases/2022/theoperationofthebatteryenergystoragesystemtostartduringthesummer.html https://www.tvo.fi/en/index/news/pressreleasesstockexchanger...