Nghe An replicates solar water supply model

Quang An DNUM_AFZBBZCACB 13:24

(Baonghean.vn) - Automatic irrigation models using solar energy are considered very promising in terms of both science and economic efficiency for agricultural production areas that do not have the conditions to use grid electricity.

On the morning of November 5, the Department of Science and Technology held a workshop on "Evaluating the effectiveness ofautomatic irrigation modelsolar energyfor some agricultural production areas in Nghe An province".

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The working group inspected the model at Hamlet 1-5, Tan Thang Commune, Quynh Luu District. Photo: Quang An

Nghe An is considered one of the regions with natural conditions very suitable for developing solar power with an average number of sunny hours from 1,800-2,100 hours of sunshine per year, average annual solar radiation intensity from 4.6 - 5.2 kWh/m2/day. However, currently, the results of exploiting solar energy compared to the real potential are still very modest.

Assessing the importance of using solar power in production and life, in Notice No. 436/TB-UBND dated July 31, 2020 on the Notice of Conclusion of the Chairman of the Provincial People's Committee Nguyen Duc Trung at the regular meeting of the Provincial People's Committee in July 2020, the Department of Science and Technology was directed to advise the Provincial People's Committee on the policy of using solar energy in some applications in life.

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Pineapples are provided with adequate water when using solar energy. Photo: Quang An

Since 2020, the Center for Advanced Applicationscience and technologyhas been assigned to build 5 models of automatic irrigation using solar energy for some key agricultural production areas in the province, with 2 types of systems implemented in 2 phases, applied to crops: fruit trees, tea, pineapple, in the districts: Anh Son, Thanh Chuong, Thai Hoa, Nghia Dan and Quynh Luu.

Up to now, the unit has completed the synchronous technical processes of production and installation of systems to suit different agricultural production terrains.

After field inspections at models in Quynh Luu, Nghia Dan districts and Thai Hoa town, delegates all acknowledged the effectiveness of applying automatic irrigation using solar energy in helping crops grow well, increasing yield and quality, ensuring adequate irrigation water, bringing clear economic efficiency to cooperatives and people.

Using an automatic irrigation system using solar energy, in addition to improving the quality of crops, also saves investment and operating costs compared to using other energy sources to provide irrigation water.

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Overview of the workshop. Photo: Quang An

According to calculations, if applying the model from 2 - 3 hectares in the first year, it will only cost about 92 million VND, lower than using a generator system (115 million VND) and using national grid electricity (100 million VND). From the second year onwards, the cost of using solar energy is only about 8.2 million VND/year.

With the above achievements, the automatic irrigation model using solar energy will be submitted to the Provincial People's Committee by the Department of Science and Technology.more widely in the coming time with many localities and many different types of crops.

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Nghe An replicates solar water supply model
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