UK’s Gresham House Energy Storage Fund plc (<a href="https://www.londonstockexchange.com/stock/GRID/gresham-house-energy-storage-fund-plc/company-page" target="_blank">LON:GRID</a>) today announced the energisation of its 50-MW/50-MWh Penwortham battery energy storage system, located near Preston in Lancashire, North West England.