Norsk Hydro ASA Hydro's corporate head office is located at Vækerø on Oslo's west side, beside the Oslo fjord.
Hydro Energy Belem Hydro has established a regional administrative center for its activities in Pará state located in Belém, the state capital.
Hydro Energy Vigelandsfoss The Vigelandsfoss power plant is located in the Otra River in Vennesla Municipality. The plant uses a water drop of 19.5 meters in the river, which is dammed up beside the plant.
Hydro Energy Rjukan Hydro's power system in Telemark consists of five wholly owned hydroelectric plants - Frøystul, Vemork, Såheim, Moflåt, Mæl - and Svelgfoss, where we own 70 percent.
Hydro Energy Årdal Hydro's power system in Sogn consists of the six hydroelectric power stations at Tyin and Fortun; Fivlemyr, Herva, Holsbru, Mannsberg, Skagen and Tyin.
Hydro Energy Nesflaten Hydro's power system in Røldal-Suldal consists of reservoirs and seven hydroelectric power stations along the Røldal and Suldal watershed and terminating at Suldal Lake
Hydro Energy Stavanger In Stavanger, located in the western part of Norway, Hydro operates the 13 power plants Lysebotn 2, Tjodan, Flørli, Maudal, Breiava, Oltedal, Oltesvik, Hjelmeland, Sviland, Hetland, Hauskje, Jørpeland and Dalen.