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RAO ES of the East completes the search for a contractor for the construction of the largest solar station in the Arctic

In mid-November, RAO Energy Systems of the East holding will decide on the choice of a general contractor for the construction of a solar power plant in the village of Batagai, Verkhoyanskiy ulus of the Sakha Republic. The facility will become the largest solar power plant in the Arctic Circle: the capacity of the first stage will be 1 MW, and in the future the solar power plant will be able to produce 4 MW and save 300 tons of fuel per year.

JSC RAO Energy Systems of the East is holding a competition to select a general contractor to build a 1 MW solar power plant (SPP) in the village of Batagai, Verkhoyanskiy ulus of the Sakha Republic, the company's press service reports.

Applications for participation in the competition were accepted until October 10, the winner will be determined on November 14. The maximum price of the project in the framework of the competition is 157,9 million rubles. According to the tender documentation, the tasks of the future contractor include the development of engineering and technical solutions for the station, the purchase of equipment and materials, their delivery, the construction of the station and the integration of its work with the existing diesel power station.

The solar station should be commissioned in the III quarter of 2015. “It will be integrated into the existing power supply system of the village and, together with the diesel power plant operating in the village, will represent a single energy complex,” the press service of RAO ES of the East said. According to the terms of the competition, the station equipment must be adapted to the northern climate and designed in such a way as to withstand both very high temperatures (+40 degrees Celsius) and very low (- 45 degrees Celsius). The service life of solar panels is 25 years.

The station will be built in accordance with the agreement signed by the RAO ES of the East holding with the government of the Republic of Sakha (Yakutia) in 2013. The facility will become the largest solar station in the world beyond the Arctic Circle: the capacity of the first stage will be 1 MW, but it is expected that in the future the capacity of the solar power plant will be up to 4 MW. Using renewable energy sources, the station will save about 300 tons of fuel annually. The uniqueness of the facility lies in the fact that it is being built in an isolated power system, in which the RES source in certain periods can provide up to 50% of the consumers' load.

The construction of a solar station in the village of Batagay is necessary to reduce the consumption of diesel fuel from the existing diesel power plant to generate electricity, and consequently, to reduce the dependence of the power supply of the village on expensive imported fuel. For a village where almost 4 thousand people live, children's institutions and hospitals, educational institutions and industrial enterprises operate, it is extremely important to ensure uninterrupted power supply. In addition, the new station will create the necessary reserve of electric power, which will increase the reliability of energy supply of the Batagay energy center during the period of autumn-winter maximum loads.

Experts note that the level of insolation (the intensity of sunlight) in the Republic of Sakha (Yakutia) is comparable with the Crimea and the Krasnodar Territory, so there are all conditions for the development of solar energy.

Note that today the holding operates six solar stations, and all of them are located on the territory of Yakutia. This SES in the villages Dulgaly, Yuchyugey and Kudu-Kuele power 20 kW each, solar stations in with. Batamay power 30 kW. In the summer of 2014, a station with a power of kW per second was commissioned. Toyon-Ary. In this station, rechargeable batteries were first used, which can fully meet the needs of the settlement at night at the expense of rechargeable batteries and a diesel generator. Such a system also insures SES in case of sudden changes in production and consumption. The experience of using batteries will be extended to other stations, including the second power station currently under construction in s. Batamay power 30 kW. The last commissioned was SES in with. Eyik (40 kW). The station began generating electricity for villagers in September 2014. Soon the solar station with 20 kW power will be put into operation in the village of Kubergenya, Abyisky district.

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