Krasnoyarsk Hydro

Krasnoyarsk Hydro
Name	Krasnoyarsk Hydroelectric Power Station
Native name	Красноярская ГЭС
Location	Krasnoyarsk Krai, Russia
Coordinates	56°01′N 92°52′E
Status	Operational
Construction	1956–1972
Cost	Soviet-era funding
Owner	RusHydro
Dam type	Gravity dam
Dam height	124 m
Reservoir	Krasnoyarsk Reservoir
Plant capacity	6,000 MW
Plant commission	1972

Krasnoyarsk Hydro Krasnoyarsk Hydroelectric Power Station is a large-scale hydroelectricity facility on the Krasnoyarsk Reservoir formed by damming the Yenisei River near Divnogorsk in Krasnoyarsk Krai, Russia. Constructed during the Soviet Union era, it ranks among the largest hydroelectric stations in Siberia and has been central to regional industrialization, electric power supply, and strategic infrastructure planning. The project involved major participation from Soviet ministries and enterprises linked to Gosplan, Minenergo, and design institutes such as Hydroproject.

Overview

The station is situated downstream of Krasnoyarsk city, harnessing the upper reaches of the Yenisei River to supply electricity to metallurgical complexes in Norilsk, Krasnoyarsk Aluminum Plant, and industrial centers like Bratsk and Novosibirsk. It interfaces with the Unified Energy System of Russia and long-distance transmission corridors connecting to Siberia, Ural Mountains, and European Russia including substations at Krasnoyarskaya CHP and Krasnoyarskaya TPP. Ownership and operation have involved entities such as RusHydro, Inter RAO, and historically enterprises under the Ministry of Energy of the USSR.

History and Construction

Initiated during postwar planning by Gosplan and the Council of Ministers of the Soviet Union, the project followed precedents set by dams like Dnieper Hydroelectric Station and Sayano-Shushenskaya Dam. Key milestones included site selection near Divnogorsk, diversion of the Yenisei River, and mobilization of labor from construction brigades, military engineers from the Soviet Army, and industrial enterprises such as Magnitogorsk Iron and Steel Works for steelwork. Design was produced by Hydroproject and construction overseen by state trust organizations paralleling projects like Bratsk Hydroelectric Power Station. Prominent Soviet figures involved in planning and commissioning included ministers from Minenergo and officials from Gosstroy.

Design and Technical Specifications

The station consists of a high gravity dam with an installed capacity of approximately 6,000 MW delivered by multiple Francis-type turbines supplied by Soviet manufacturers affiliated with Electrosila and turbine design bureaus linked to Kirov Plant. The powerhouse layout resembles that of Sayano-Shushenskaya Dam with vertical units, control systems adapted from Soviet-era automation institutes like VNIIEG and later retrofits from Siemens and GE for modernization programs. Key components include spillways, sluice gates, intake structures, and a powerhouse integrated with transmission switchyards connected to the Unified Energy System of Russia grid via 500 kV lines reaching Tomsk, Omsk, and Yekaterinburg.

Reservoir and Environmental Impact

Creation of the Krasnoyarsk Reservoir necessitated resettlement of communities near Divnogorsk and affected riverine ecology of the Yenisei River, with impacts on fish species known from studies in Siberian sturgeon habitats and floodplain wetlands similar to those at Lake Baikal tributaries. The reservoir altered seasonal flow regimes, sedimentation patterns influencing downstream sites such as Khatanga basin and habitats used by indigenous groups including Evenks and Nenets. Environmental assessments have referenced frameworks of the Ministry of Natural Resources and Environment of the Russian Federation and research from institutes like the Russian Academy of Sciences studying greenhouse gas emissions from reservoirs and changes to permafrost in regions near Norilsk.

Power Generation and Operations

Operational management historically followed Soviet centralized dispatch under Unified Energy System of Russia and now involves regional dispatch centers in Krasnoyarsk and coordination with national operators like System Operator of the United Power System. Generation supports heavy industry, including the Nornickel operations in Norilsk and aluminum smelters in Bratsk and Novokuznetsk, as well as supplying residential consumers in Krasnoyarsk Krai. Maintenance cycles, turbine overhauls, and grid balancing have engaged contractors and suppliers such as Siemens, Alstom, and domestic firms including Energomash.

Economic and Social Significance

Beyond electricity, the dam supported development of Divnogorsk and urban expansion in Krasnoyarsk, implicating sectors like mining at Krasnoyarsk Mining and Chemical Combine and metallurgical production at Krasnoyarsk Aluminum Plant. It contributed to Soviet-era goals of regional development employed by planners in Gosplan and later factored into investment strategies by Rosneft-era regional policies and power market reforms led by Minenergo. Tourism and recreation around the reservoir link to attractions in Krasnoyarsk National Park, transport routes on the Trans-Siberian Railway, and river navigation used historically by vessels from Sovtransavto and Sovtorgflot.

Safety, Maintenance, and Modernization

Safety regimes incorporate inspections by agencies such as the Federal Service for Environmental, Technological and Nuclear Supervision and engineering assessments by Russian institutes like VNIPIenergoprom. Major modernization campaigns have introduced upgraded turbines, digital control systems, and seismic reinforcement techniques influenced by analyses from Academy of Sciences of the USSR predecessors and international partners including World Bank-linked technical assistance programs in the post-Soviet period. Emergency response coordination involves regional authorities in Krasnoyarsk Krai, civil defense structures derived from Soviet models, and contemporary agencies such as the Russian Emergencies Ministry.

Category:Hydroelectric power stations in Russia Category:Dams completed in 1972