YIT Gets a 100 Million Euro Contract - Will Dig the World's Largest Heat Storage Under Ring Road III: Volume Over 1,000,000 m³, Depth Up to 140 m

YIT has secured a 100 million euro contract to construct the world's largest heat storage facility under Ring Road III. The storage will have a volume exceeding 1,000,000 m³ and a depth of up to 140 meters.