The place was founded in 1958 as a rural settlement. Construction of the Leningrad nuclear power plant began there in 1967 , the first unit went online in 1973, the second in 1975. On April 19, 1973, the town was granted city rights. The most important employer is the nuclear power plant; There are also a number of research institutes and plants for the nuclear industry, as well as an engineering factory and a fish processing factory.
Sosnowy Bor owes the size of the city today mainly to the nuclear power plant. The city, like the cities of Pripyat and Desnogorsk, is a workers' city of a nuclear power plant. Almost everyone who lives in this city works in the nuclear power plant.
Because of the nuclear power plant, there is a restricted area around Sosnovy Bor that only authorized persons are allowed to enter.
↑ a b Itogi Vserossijskoj perepisi naselenija 2010 goda. Tom 1. Čislennostʹ i razmeščenie naselenija (Results of the All-Russian Census 2010. Volume 1. Number and distribution of the population). Tables 5 , pp. 12-209; 11 , pp. 312–979 (download from the website of the Federal Service for State Statistics of the Russian Federation)