Norsk Hydro ASA is a Norwegian aluminium and renewable energy company, headquartered in Oslo. It is one of the largest aluminium companies worldwide. It has operations in some 50 countries around the world and is active on all continents. The Norwegian state owns 34.3% of the company through the Ministry of Trade, Industry and Fisheries. A further 6.5% is owned by Folketrygdfond, which administers the Government Pension Fund of Norway. Norsk Hydro employs approximately 35,000 people. Eivind Kallevik has been the CEO since May, 2024, following Hilde Merete Aasheim.
Rjukan is a town in Tinn Municipality in Telemark county, Norway. The town is also the administrative centre of Tinn Municipality. The town is located in the Vestfjorddalen valley, between the lakes Møsvatn and Tinnsjå. The municipal council of Tinn declared town status for Rjukan in 1996. The town is located about 10 kilometres (6.2 mi) to the west of the village of Miland and about 20 kilometres (12 mi) to the northwest of the village of Tuddal.
The Bratsberg Line is a 74-kilometre long (46 mi) railway line between Eidanger and Notodden in Telemark county, Norway. It opened in 1917, connecting the Tinnos Line, the Sørland Line and the Vestfold Line; allowing Norsk Hydro to transport fertilizer from their plant at Rjukan to the port in Skien. Since 1991 only passenger trains are operated, using Class 69 stock by Vy.
Gaustatoppen is a mountain in Telemark county, Norway. The 1,883-metre (6,178 ft) tall mountain is located on the south side of the town of Rjukan. It is the tallest mountain in all of Telemark county. The peak of the mountain lies in Tinn Municipality, but there is a lower plateau that crosses over the municipal border into Hjartdal Municipality.
Tinnoset is a village in Notodden Municipality in Telemark county, Norway. The village is located at the southernmost end of the large lake Tinnsjå, where the river Tinnelva begins flowing south out of the lake. It is about 15 kilometres (9.3 mi) south of the village of Rudsgrendi, about 4 kilometres (2.5 mi) north of the village of Gransherad, and about 20 kilometres (12 mi) to the west of the village of Bolkesjø.
The Rjukan Line, at first called the Vestfjorddal Line, was a 16-kilometre (10 mi) Norwegian railway line running through Vestfjorddalen between Mæl and Rjukan in Telemark county. The railway's main purpose was to transport chemicals from Norsk Hydro's plant at Rjukan to the port at Skien, in addition to passenger transport. At Mæl the wagons were shipped 30 kilometres (19 mi) on the Tinnsjø railway ferry to Tinnoset where they connected to the Tinnoset Line. The Rjukan Line and the ferries were operated by Norsk Transport, a subsidiary of Norsk Hydro.
The Tinnoset Line was a 30-kilometer (19 mi) long Norwegian railway line that went from Tinnoset to Notodden in Telemark county. The railway was part of the transport chain used to transport fertilizer from Norsk Hydro's factory in Rjukan to the port in Skien. The railway opened in 1909 and was closed when the plant closed in 1991. The railway is sometimes mistakenly believed to be part of the Rjukan Line.
Tinnsjø railway ferry was a Norwegian railway ferry service on Lake Tinn that connected the Rjukan Line and Tinnoset Line. The 30-kilometer (19 mi) long ferry trip made it possible for Norsk Hydro to transport its fertilizer from the plant at Rjukan to the port in Skien. The ferry services were operated by the company's subsidiary Norsk Transport from 1909 to 1991, when the plant closed.
SF Hydro was a Norwegian steam powered railway ferry that operated in the first half of the 20th century on Lake Tinn in Telemark. It connected with the Rjukan Line and Tinnoset Line, at Mæl and Tinnoset, operating between 1914 and 1944. The combined track and ferry service was primarily used to transport raw materials and fertilizer from Norsk Hydro's factory at Rjukan to the port in Skien. It was the target of a Norwegian operation on 20 February 1944, when resistance fighters sank the ferry in the deepest part of Lake Tinn to prevent Nazi Germany from receiving heavy water.
Mæl Station is a railroad station located at Tinn in Telemark, Norway. It is the terminus of the Rjukan Line (Rjukanbanen) running through Vestfjorddalen between Mæl and Rjukan. The station is located 16 km from Rjukan and on the mouth of the river Måna in Vestfjorddalen where the river runs into Lake Tinn. This was the point where the railway cars on the line were transferred to the Tinnsjø railway ferry for transport to the Tinnoset Line.
NSB El 7 was a series electric locomotives delivered between 1911 and 1918 to Norsk Transport that operated the Rjukan Line and the Tinnoset Line, where they were designated RjB.1, 2, 3, 6, 7 and 8. The locomotives were built by AEG (motor) and Skabo (chassis).
NSB El 6 was a series of two electric locomotive delivered in 1912 to Norsk Transport that operated the Rjukan Line and the Tinnoset Line, where they were designated RjB.4 and 5. The locomotives were built by AEG (motor) and Skabo (chassis) and delivered at the same time as RjB.1–3 locomotives for the electrification of the Rjukan Line.
Thorvald Astrup was a Norwegian architect, particularly known for industrial architecture.
Miland Station is an abandoned railway station on the Rjukan Line at Miland in Tinn, Norway. It was in use from 1909 to 1970 by Norsk Transport.
Ingolfsland Station is an abandoned railway station on the Rjukan Line at Rjukan in Tinn, Norway. It was in use from 1913 to 1970 by Norsk Transport, serving the southern suburbs of Rjukan.
RjB 9 and RjB 10 were two identical electric locomotives operated by Norsk Transport on Rjukanbanen in Norway. Built by Swiss Sécheron and German Jung in 1958, they served until the closing of the line in 1991.
Norwegian Industrial Workers Museum is an industrial museum located at Rjukan in Tinn, Norway. Located in the Vemork power station, it was established in 1988 to allow the preservation of industrial society created by Norsk Hydro when they established themselves in Rjukan in 1907. The museum is an anchor point on the European Route of Industrial Heritage.
Norsk Hydro Rjukan is an industrial facility operated by Norsk Hydro at Rjukan in Tinn, Norway, from 1911 to 1991. The plant manufactured chemicals related to the production of fertilizer, initially potassium nitrate from arc-produced nitric acid and later ammonia, hydrogen, and heavy water. The location was chosen for its vicinity to hydroelectric power plants built in the Måna river.
Hydro Transport AS was a railway- and shipping company responsible for the transport of chemicals from Norsk Hydro Rjukan. A subsidiary of Norsk Hydro, the company was founded in 1907, operations ceased in 1991, while the company became defunct at the end of 2009.
The Rjukan–Notodden Industrial Heritage Site is a World Heritage Site in Telemark county, Norway, created to protect the industrial landscape around Lake Heddalsvatnet and Vestfjorddalen valley. The landscape is centered on the plant built by the Norsk Hydro company to produce calcium nitrate fertilizer from atmospheric nitrogen using the Birkeland–Eyde process. The complex also includes hydroelectric power plants, railways, transmission lines, factories, and workers' accommodation and social institutions in the towns of Notodden and Rjukan.
