Kjeller is a village located near Lillestrøm in the municipality of Lillestrøm,

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

. It is located 25 kilometers north-east of

Oslo Oslo ( or ; ) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of 1,064,235 in 2022 ...

Name

The Norse form of the name was probably ''Tjaldir''. This is then the

plural In many languages, a plural (sometimes list of glossing abbreviations, abbreviated as pl., pl, , or ), is one of the values of the grammatical number, grammatical category of number. The plural of a noun typically denotes a quantity greater than ...

of ''tjald'' n '

tent A tent is a shelter consisting of sheets of fabric or other material draped over or attached to a frame of poles or a supporting rope. While smaller tents may be free-standing or attached to the ground, large tents are usually anchored using g ...

'. The hills around the farm (''Kjellerhaugen'' and others) might have been compared in form with tents.

Facilities

Kjeller contains: FFI Kjeller Norway

* Kjeller Airport *Norwegian Defence Logistic Organization (''FLO'') *The Norwegian Defence Research Establishment (''FFI'') *The Institute for Energy Technology (''IFE''), including one of Norway's two nuclear research reactors. * Norwegian Institute for Air Research *The Norwegian Standardisation Bureau * UNIK (University Graduate Center) *

Oslo Metropolitan University Oslo Metropolitan University (Oslomet; )"Skrivemåten av universitetsnamnet Oslomet – storbyuniversitetet," Language Council of Norway, 17/677-4/DGI, 18 January 2018 is a state university in Oslo and Kjeller in Norway. It is the result of ...

* NORSAR (Norwegian Seismic Array) Historically, Kjeller has also been the location for a small

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

factory. The

Telenor Telenor ASA ( or ) is a Norwegian majority state-owned multinational telecommunications company headquartered at Fornebu in Bærum, close to Oslo. It is one of the world's largest mobile telecommunications companies with operations worldwi ...

Research Centre was located in Kjeller until 2001, when the majority of employees moved to Fornebu on 23 November. Akershus University College was opened in autumn 2003 at Telenor's previous location. Approximately 3700 students attend the university. The array at NORSAR was one of the first European nodes of the

ARPANET The Advanced Research Projects Agency Network (ARPANET) was the first wide-area packet-switched network with distributed control and one of the first computer networks to implement the TCP/IP protocol suite. Both technologies became the tec ...

, the precursor to the Internet.

Nuclear reactor

The nuclear reactor at Kjeller, opened on November 28, 1951 was the first reactor outside the US,

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

Great Britain Great Britain is an island in the North Atlantic Ocean off the north-west coast of continental Europe, consisting of the countries England, Scotland, and Wales. With an area of , it is the largest of the British Isles, the List of European ...

and

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. It was a joint project by the Dutch and Norwegian governments. The Netherlands supplied the uranium and Norway the

heavy water Heavy water (deuterium oxide, , ) is a form of water (molecule), water in which hydrogen atoms are all deuterium ( or D, also known as ''heavy hydrogen'') rather than the common hydrogen-1 isotope (, also called ''protium'') that makes up most o ...

. The nuclear reactor is used in scientific research and is together with a nuclear reactor in

Halden Halden (), between 1665 and 1928 known as Fredrikshald, is both a List of cities in Norway, town and a Municipalities of Norway, municipality in Østfold Counties of Norway, county, Norway. The municipality borders Sarpsborg to the northwest, R ...

Norway's only two nuclear reactors. Neither of them is in commercial use. On 9 September 2006, the reactor suffered a "contained" leak which forced it to shut down for three weeks for repairs.www.blather.net September 2007
/ref> Its operating license expires at the end of 201

In 2020 it was estimated dismantling the

and Kjeller research reactors and restoring the sites to unrestricted use will cost about

NOK Nok is a village in Jaba, Nigeria, Jaba Local Government Area of Kaduna State, Nigeria. The village is an archeological site. Archaeology The discovery of terracotta figurines at this location caused its name to be used for the Nok culture, ...

20 billion (US$2 billion) and take 20 to 25 years.

References

Villages in Akershus Skedsmo Lillestrøm {{Akershus-geo-stub