Enersense International Oyj, together with its subsidiaries, provides energy solutions in Finland and internationally. The company operates through Power, Connectivity, and Energy Transition segments. It offers design, construction, and maintenance of transmission grids, electric substations, and wind and solar farms; and provides energy transition solutions, such as power plants, district heating networks, hydrogen facilities, hydropower plants, shipyards, and steel and piping structures, as well as energy storage systems. The company provides mobile and fixed network services, and related infrastructure; and designs, constructs, maintains, and repairs fixed and wireless telecommunications networks and infrastructure. It serves customers operating in energy transmission and production, industrial energy transition, telecommunications, and data centers. The company was incorporated in 1986 and is headquartered in Pori, Finland.