British energy company National Grid plc (<a href="https://www.londonstockexchange.com/stock/GRID/gresham-house-energy-storage-fund-plc/company-page" target="_blank">LON:NG</a>) has selected Siemens Energy AG (<a href="https://www.boerse-frankfurt.de/equity/siemens-energy-ag" target="_blank">ETR:ENR</a>) as preferred bidder for the two HVDC converter stations for the proposed 2-GW Sea Link transmission system.