Faroe Islands with the foundation of political parties of the Faroe Islands. In the first year of World War II, on 12 April 1940, British troops occupied the Faroe Islands, shortly after the Operation Weserübung with the Nazi German invasion of Denmark on 9 April 1940. In 1942–1943 the British Royal Engineers, under the leadership of Lt. Col. William Law MC, built the only airport in the Faroe Islands, Vágar Airport. Control of the islands reverted to Denmark following the war, but Danish rule had been undermined, and Iceland's independence served as a precedent for many Faroese. The Faroese independence referendum, 1946
Economy of the Faroe Islands lithium-ion battery became operational in 2016. Planners also consider converting the existing hydropower to pumped-storage hydroelectricity. Tidal power and Thermal energy storage solutions are also considered. The islands have a goal of 100% green electricity production by 2030. In 2014 50.8% of the electricity production of SEV in the Faroe Islands came from green energy like hydro and wind, while 49.2% was produced by the thermal power plants, which was 12.4% less than in 2013. Total annual production: 305.4 GWh (2014) of which the production of thermal, hydropower and wind power was: The Faroe Islands have no electricity connections to