2006
- The silicon metal plants Elkem Fiskaa Silicon and Elkem Meraker closed.
- Orkla invests NOK 2,7 billion in a new plant for production of high-purity silicon for solar energy at Elkem Fiskaa in Kristiansand.
2005
- Orkla takes over Elkem and the Elkem share is delisted
- Elkem takes over Sapa and the Sapa share is delisted
- Elkem and Sapa are brother-sister corporations within the Orkla Group
2004
- Elkem acquires 23% in Renewable Energy Corp
2003
- Elkem reaches 100% in Icelandic Alloys
- Sapa acquires 100% of Remi Claeys Aluminium
2002
- Elkem sells ferrochrome business to Companhia Vale do Rio Doce (“CVRD”)
- Alcoa reaches 40% level and makes a mandatory offer for all outstanding shares in Elkem
- Elkem reaches 40% level in Sapa and gives a mandatory offer for all outstanding shares
- Elkem reaches 72% level in Sapa
2001
- Purchase of 35% in Sapa AB
- EU approves Sapa deal
2000
- Purchase of remaining shares in Bjølvefossen
- Modernisation and expansion of Elkem Aluminium Mosjøen and Elkem Aluminium Lista approved (NOK 2 billion)
1999
Elkem sells manganese business to Eramet SA
1997
Elkem increases ownership interest in Icelandic Alloys to 51%
1996
Liquidation of Norsk Jern Holding
1993
Two equity issues: NOK 980 million in new capital
1992
Strategic alliance with BHP Minerals. Sale of non-strategic assets including Elkem Nefelin, Elkem-Rockwool and Elkem Eiendom
1990s
Elkem develops the Elkem Business System (EBS) based on the Alcoa Business System (ABS)
1990
Purchase of 45% of shares in Norsk Jern Holding and acquisition of Elkem Rana
1986
- Acquisition of Elkem Thamshavn and Bjølvefossen (70%)
- NOK 1.4 billion modernisation of Elkem Aluminium Mosjøen
1985
Sale of Christiania Spigerverk
1981 - 1984
Acquisition of Union Carbide’s ferroalloys business in Norway, US and Canada
1970s
International expansion; steel and ferroalloys
1972
Merger with Christiania Spigerverk
1971
Production start at Elkem Aluminium Lista
1960s
Expansion in Norway; ferroalloys, aluminium, mining and manufactured products
1958
Production starts at Elkem Aluminium Mosjøen, expansion in 1963 and 1968
1940s
Hagerup-Larsen escapes to US and licenses Søderberg process to Alcoa
1917
First ferroalloy plant purchased. Søderberg aluminium process invented
1904
Sam Eyde establishes Elkem; development of electro-metallurgical processes