Photovoltaic power generation: From rooftops to desert occupation

Wuwei, located on the edge of the Tengger Desert, faces the "answer sheet" of photovoltaic sand control, what does electric energy do?


As a practitioner of the energy revolution, State Grid Wuwei Power Supply Company explores in practice, moves forward in exploration, innovates to create electricity sand into gold - desert energy ecosystem, and draws a beautiful new energy development blueprint with gold, blue and green three background colors.


The electricity brightens a touch of gold sand

Although it is the autumn equinox, but in the southern edge of the Tengger Desert, Gulang County Qidaogou, it is infinitely good scenery, rows of orderly photovoltaic panels bathed in daylight, the desert gives the vein of life, quiet, light and current are interwoven surge. Here is Gansu Yiheng New Energy Co., Ltd. built Gulang County 300 thousand kilowatts of photovoltaic sand control industrialization demonstration project.


"Electric" Shacheng Gold is a "one-stop" service platform for government and enterprise cooperation... In December 2021, accompanied by a concise release word, the State Grid Wuwei Power Supply Company's innovation project electricity sand into gold - desert energy ecosystem construction debuted in the sixth Youth Innovation and Creativity Competition of State Grid Gansu Power Company, after winning the gold medal of the competition, On behalf of the State Grid Gansu Electric Power Company to participate in the State Grid Corporation's sixth Youth Innovation and Creativity Competition enterprise special exhibition.


Unity of knowledge and action, emphasis on action.

In March this year, the desert energy ecosystem project proposed by the State Grid Wuwei Power Supply Company and led by the Wuwei Municipal government was piloted in Gulang County, Huanghuatan, of which the sand control industry demonstration project built by Gansu Yiheng is one of the pilot projects. The project covers a total area of 13,000 mu, mainly adopts the new industrialization model of photovoltaic +, and applies the advantages of local geographical resources to change the effect while achieving ecological governance.


Since the landing of the pilot project, State Grid Wuwei Power Supply Company has taken electric sand into gold as the carrier, and has reached a consensus with photovoltaic power generation enterprises such as Gulang Zhenye, Gulang Oasis and Gansu Jiannian, and is committed to using electricity as the medium to turn yellow sand into gold sand.

Circle a blue ocean


How is the desert energy ecosystem closed to form a circle?

The sand table model of the project placed in the State Grid Wuwei Power Supply Company will give you the answer, because it is not only the ultimate blueprint vision of the desert energy ecosystem, but also the physical guidance manual to further deepen the practice of the project.


In the sandtable demonstration, the implementation process of the desert energy ecosystem can be intuitively seen. The three-way linkage between government leadership, enterprise investment and farmers' participation will be formed through the three stages of offline and on-site ecological restoration, platform development and operation, and pilot business expansion to form a one-stop service platform for government and enterprise cooperation, which can realize resource coordination and interconnection. Build a bridge between power supply companies, government departments and photovoltaic enterprises, and use electricity as a medium to provide the best communication path and resource selection for each role in the process of desert energy ecological construction.


The direction is set. Just go.

Since the end of May this year, the State grid Wuwei power supply company has begun to build a resource-sharing platform based on the online power grid APP, in accordance with the idea of finding out the data - analysis of consumption - clear goals - formulation of plans, service photovoltaic enterprise construction, and synchronously provide data sharing to the National Development and Reform Commission. Through this initiative, we can not only master the distribution of regional power grids and obtain the operation data of distribution network equipment, but also analyze the absorption capacity of distribution networks in different scenarios, laying a rich data foundation for the feasibility study of photovoltaic project planning schemes.


We in the shortest time according to the transformer capacity, load rate and distribution line stability and other elements of photovoltaic absorption capacity assessment, and then photovoltaic grid-connected demonstration, reply to the access system scheme. State grid Wuwei power supply company development planning department Gao Zheng said.

A blue energy efficiency ecosystem of resource information sharing, intelligent data monitoring, intelligent photovoltaic management, and industrial chain integration has been formed.


Plant an oasis

In my hometown Gulang County Bbusha, the model of The Times "six old men" "do not bow in the face of difficulties, dare to turn the desert into an oasis" of the contemporary Yugong spirit, deeply rooted in our blood, I believe that our ecological circle will also be for the Gulang sand to create green ink and add color. This is the State grid Wuwei power supply Company desert energy ecosphere project leader Huang Wenxue often said a sentence.


Data show that in 2021, the vegetation coverage of forest and grass in the front sandy area of Gulang County has recovered from 20% before treatment to more than 60%, and the wind-sand line has regressed by more than 20 kilometers. Now looking at the entire Gulang County, blue photovoltaic panels are scattered, and under the board is a vibrant different scenery.


At the photovoltaic power generation project site of Jiangsu Zhenfa Holding Group Co., Ltd. deep in the Gobi of Huanghuatan, Gulang County, all kinds of cash crops and sand-fixing shrubs are growing well in the wheatgrass grid under thousands of solar photovoltaic panels.


Also not far away from Yiheng New Energy 300,000-kilowatt photovoltaic sand control project base, 2,400 acres of carbon sink forest is also in full swing construction.

After the completion of our project, we will sow grass seeds in the photovoltaic area and build grid sand barriers to effectively prevent wind and wind. Planning efficient water-saving agriculture under the photovoltaic panel, changing the desert into a 'green space' Gansu Yiheng New Energy Co., LTD. Project manager Dang Gangfei introduced.

It is worth mentioning that in April this year, at the launching meeting of the social responsibility grounding project of the State Grid Wuwei Power Supply Company, the social responsibility grounding project derived from the electric sand into gold - desert energy ecosphere project was also officially landed, which clarified that the power supply company joined the photovoltaic + sand control process as an advocate, and coordinated with all parties in society. The general idea of setting up a volunteer alliance team.

Pooling resources and moving forward hand in hand.


During the exploration period of several months, the State Grid Wuwei Power Supply Company actively performed the responsibilities of central enterprises, established a multi-to-one working mechanism for serving major projects, completed the field research of 5 photovoltaic enterprises in the county, focused on the blocked points and difficult problems encountered in the construction process of major photovoltaic projects, accurately built green service channels, and moved forward the service threshold. Provide strong power guarantee and intimate power supply service for the smooth progress of the project. It is understood that after the above photovoltaic enterprises are completed and put into operation, 34,000 mu of desert ecological governance can be completed, and an oasis will be presented at that time.


Mountains do not let dust, rivers do not leave. Before the double carbon goal, the State Grid Wuwei Power Supply Company will be guided by the Wuwei spirit of the new era that does not bow down in the face of difficulties and dares to turn the desert into an oasis, step by step, step by step, step by step, and add vitality to the construction of a new type of power system.


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