Sayanogorsk (Russian: Саяногорск; Khakas: Наа Сойан Тура, Naa Soyan Tura) is a town in the Republic of Khakassia, Russia, located on the left bank of the Yenisei River, 80 kilometers (50 mi) south of Abakan, the capital of the republic.

Sayanogorsk was founded on November 6, 1975, in connection with the construction of the Sayan-Shushenskaya Hydroelectric Power Plant on the Yenisei River and the Sayan Aluminum Plant in the town; the latter opened ten years later.

[8] Within the framework of administrative divisions, it is, together with two work settlements (Cheremushki and Mayna) and one rural locality (the village of Bogoslovka), incorporated as the Town of Sayanogorsk—an administrative unit with the status equal to that of the districts.

The main industrial enterprises of the town are: Sayan Aluminum Plant - has Production of primary aluminum and alloys on its basis Khakas aluminum plant - has production of primary aluminum and alloys on its basis, Plant Rusal SAYANAL - has production of aluminum foil and packing materials on its basis, Company Stroyservice Company Sayanstroy Plant Sayanmoloko and JSC Branch Temporary Use - has the enterprise of industrial railway transport.

[8] Sayano-Shushenskaya GES (starting the second hydraulic unit 1-December 18, 1978), Mainsk HPS.