Since the beginning of summer this year, high temperatures have continued in many places in Sichuan Province, and the highest temperature in Chengdu has even reached 43.4 ℃. The highest load of electricity demand in the province jumped to 65 million kilowatts, a year-on-year increase of 25%. In order to help power supply and ease the shortage of electricity, about 5,000 photovoltaic modules (solar power generation) of the “Panzhihua-Dalian Expressway” (Sichuan section) connecting Panzhihua, Sichuan and Dali, Yunnan were officially put into use on the 24th, with an estimated average annual power generation of 4.22 million kWh. With the help of photovoltaic power generation, the 41-kilometer section of the Pan-Dalian Expressway (Sichuan section) has been fully self-sufficient in clean energy, and another 80% of the electricity is directly transmitted to the national grid.
solar pv power plant “Smart Chasing the Sun” Photovoltaic Tracking System Increases Power Generation by 20%
This is the first distributed solar energy storage project in Sichuan Province that integrates “transportation + energy” development. All photovoltaic modules are built on highway slopes, building roofs, spoil fields, tunnel isolation belts, service areas and toll booths, making full use of idle land and space. In addition, the equipment adopts the most cutting-edge “smart sun-chasing” photovoltaic tracking system, which can achieve “all-weather” tracking and rotation according to the orientation of the sun, and the power generation is 20% higher than that of traditional equipment.
utility scale solar inverters”Lithium battery + hydrogen energy” electric energy storage for 10 days
In order to better store clean electric energy, the Panzhihua South Service Area of Sichuan Pan-Dalian Expressway has also innovatively built a zero-carbon energy station, integrating photovoltaic power generation, electric energy storage, vehicle charging and other functions. Using the “lithium battery + hydrogen energy” long-cycle energy storage system can ensure 7-10 days of clean energy supply, which is greatly improved compared to the 7-hour cycle of traditional photovoltaic power generation.
With the successful operation of the project, solar power plant cost per kwh.in the future, the Sichuan Provincial Department of Transportation will also accelerate the integrated development of “transportation + energy” and promote it on expressways across the province. It is estimated that by the end of 2025, photovoltaic power plants will be installed in about 2,500 kilometers of highways in the “three states and one city” (Aba Prefecture, Ganzi Prefecture, Liangshan Prefecture and Panzhihua City) in western Sichuan, with an estimated installed capacity of 900 MW and an annual power generation capacity About 1.2 billion kWh, reducing carbon dioxide emissions by 1.12 million tons, and providing power security for 670,000 households.
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Post time: Aug-25-2022