World’s Longest 'Interconnector' to Supply Green Electricity to 1.4 Million UK Homes Summary: The Viking Link interconnector, spanning over 600 miles, is the world's longest land and sea interconnector, connecting the UK and Denmark. Interconnectors enable the UK to import cheap green electricity during high demand and export excess energy to other countries when wind generation exceeds local needs. Interconnection is critical in the effort to decarbonize the electricity power system and reduce carbon emissions, contributing significantly to the UK's power output. The expansion of interconnectors is essential to secure energy suppl...