The Alcoa aluminium smelter in Reyðarfjörður is the largest in Iceland, with an annual capacity of 346,000 tonnes. Alcoa is also the most recent addition to the three aluminium smelters in Iceland, with operations dating back to 2007. Landsvirkjun supplies Alcoa with the total electricity consumed.

Norðurál, the aluminium smelter at Grundartangi, commenced operations in 1998 with an annual capacity of 60,000 tonnes. The present annual capacity is 312,000 tonnes. Currently, Landsvirkjun supplies Norðurál with approximately one-third of the electricity consumed. 

The aluminium smelter at Straumsvík in Hafnarfjörður commenced operations in 1969 with an initial annual capacity of only 33,000 tonnes. Since then, the smelter’s annual capacity has been increased in several stages. In 2010, Landsvirkjun’s power purchasing agreement with Rio Tinto was renewed, and the smelter has since expanded its annual capacity to 211,000 tonnes. Landsvirkjun supplies Rio Tinto Iceland with all the electricity consumed.

Elkem’s ferrosilicon plant at Grundartangi started operations in 1979 with an annual capacity of 60,000 tonnes for the first years. Since then, the production capacity has been increased in several stages, with a current annual capacity of 120,000 tonnes of ferrosilicon, mainly specialty products. Landsvirkjun supplies Elkem Iceland with all the electricity consumed.

PCC BakkiSilicon commenced operations of the silicon metal plant at Bakki near Húsavík in 2018. The plant’s annual capacity is approximately 33,000 tonnes. Landsvirkjun supplies PCC BakkiSilicon with all the electricity consumed.

Verne Global Data Centre was Iceland’s first colocation data centre, with operations commencing in 2010. Verne Global’s customers are large international enterprises and institutions in, e.g., climate studies, advanced financial computations, crash tests, genetic research, and biotechnology. Landsvirkjun supplies the data centre in Reykjanesbær with all the energy consumed.

RDC, or Reykjavík DC, is a high-tech data centre founded by Opin kerfi, Sýn, Reiknistofa bankanna, and Korputorg. RDC commenced operations in 2020, and Borealis Data Center acquired RDC in 2022, making it its third data centre

AtNorth is Iceland’s largest colocation data centre, with operations commencing in 2014. The data centre offers various data centre services, e.g., access to cloud-based super-computer services. The company is located in Hafnarfjörður, Reykjanesbær and Akureyri. Landsvirkjun supplies AtNorth with part of the electricity consumed.

Borealis Data Center commenced its colocation data centre operations in Blönduós in 2019 as Etix Everywhere Iceland, becoming Borealis Data Center in 2021. In addition to the data centre at Blönduós, the company operates a data centre in Reykjanesbær. The business has increased rapidly, and Landsvirkjun is the company’s leading energy supplier at the data centre at Blönduós. 

Landeldi is an innovation company based in Þorlákshöfn that specialises in land-based salmon farming. Production is still in development and Landsvirkjun and Landeldi have agreed on the supply and use of power to meet the future demand of the company.

Becromal changed its name to TDK Foil Iceland in 2018. The company commenced operations in Akureyri in 2008, producing aluminium foils for electrolytic capacitors. Landsvirkjun supplies the plant with the total energy consumed in the production.

Atlantsorka ehf., subsidiary of Atlantsolía ehf, was established in 2022 as a domestic electricity retailer to households and smaller companies.

Fallorka buys and sells electricity domestically and constructs new power stations for electricity generation.

HS Orka is a domestic electricity retailer to households and smaller companies.

The establishment of Landsnet hf., the Icelandic TSO, was based on the Electricity Act, passed by Parliament in the spring of 2003. The company is the transmission system operator, and its role is electricity transmission. 

N1 Rafmagn was established in 2017 as Íslensk orkumiðlun. In 2021 the name was changed to N1 Rafmagn. The company is a domestic electricity retailer to households and smaller companies.

Orka heimilanna started operations at the beginning of 2018 as a domestic electricity retailer to households and smaller companies.

ON (Orka náttúrunnar), a subsidiary of OR (Orkuveita Reykjavíkur), is an electric utility and retail company. ON started overseeing OR electricity generation and retailing on 1 January 2014, generating and retailing electricity domestically to households and smaller companies.

The Westfjord Power Company, or Orkubú Vestfjarða, commenced operations on 1 July 2001. Its establishment was based on legislation passed by Parliament the same year. The company buys and retails electricity domestically, as well as generating electricity.

Orkusalan was established in March 2006, with operations starting in February 2007. Orkusalan is a subsidiary of RARIK, the Icelandic State Electricity, and its role is mainly to oversee energy generation and buying and selling of electricity in the retail market.

Straumlind ehf. was established in 2020 as a domestic electricity retailer to households and smaller companies.

Landsvirkjun sells approximately 85% of its generated energy to power-intensive industries, with about 15% of the energy sold in the wholesale market and to the TSO’s grid. Various opportunities lie in new products and markets, e.g., ferrosilicon production and data centres.

Landsvirkjun sells approximately 85% of its generated energy to power-intensive industries, with about 15% of the energy sold in the wholesale market and to the TSO’s grid.

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