Shanghai Electric Power Co (<a href="https://www.hkex.com.hk/Market-Data/Securities-Prices/Equities/Equities-Quote?sym=2727&sc_lang=en" target="_blank">HKG:2727</a>) on Thursday announced the start of commercial operation of the 100-MW/100-MWh REP1&2 battery energy storage system (BESS) and the grid connection of the Fiskerton II-A solar site, both in the UK.