Three photovoltaic projects with a total capacity of 140 megawatts in Banbie, Jitian Village, and Panguli of Yongren County, Chuxiong Yi Autonomous Prefecture of Yunnan Province were connected to the grid and commenced operation recently.
These projects were developed by Yunnan Provincial Green Energy Industry Group Co., Ltd, a subsidiary of Yunnan Provincial Energy Investment Group Co., Ltd.
Three photovoltaic projects with a total capacity of 140 megawatts in Yongren County, Chuxiong Yi Autonomous Prefecture of Yunnan Province, were connected to the grid and commenced operation. [Photo/sasac.gov.cn]
This marks the completion of the first million-kilowatt integrated wind-solar-storage new energy cluster built by a provincial state-owned enterprise in Yunnan, a latest example of the local efforts to meet national “dual carbon” goals in southwest China.
Collaborative energy system for new model of energy development
Currently, the total installed capacity of the Chuxiong base has reached 1,090 MW by Yunnan Provincial Green Energy Industry Group Co., Ltd, including 1,010 MW of photovoltaic projects constructed and connected to the grid in Dayao and Yongren counties, along with 80 MW of wind power projects. The Nanshanba 300MW/600MWh facility has also been completed as a supporting independent shared energy storage project.
Annually, the base can transmit over 1.2 billion KWh of clean electricity, saving more than 560,000 tons of standard coal and reducing carbon dioxide emissions by over 1.2 million tons. When new projects in Muding and Wuding counties, Lufeng City, and other areas become operational, the total installed new energy capacity developed by Yunnan Provincial Energy Investment Group Co., Ltd in Chuxiong is expected to exceed 2,000 MW.
By employing intelligent equipment such as drones and dual-rail track vehicles to transport photovoltaic modules, and utilizing advanced construction methods like micro-piles and prefabricated cabins, the company has achieved its zero-damage and modularized green construction goals.
Refined efficiency for construction of new projects
For the 523 MW photovoltaic base in Dayao County, the tasks of site selection and reconnaissance, bidding, and construction for the base’s six projects were simultaneously launched. The entire facility, including two 220 kV booster stations, 279 kilometers of transmission lines, and 193 photovoltaic arrays made of 1.93 million photovoltaic panels, was completed in just eight months, marking the fastest construction for a project of its scale in Yunnan Province.
The Dayao Nanshanba 300MW/600MWh independent shared energy storage project uses lithium iron phosphate (LFP) battery technology to build 60 energy storage units, each with a capacity of 5 MW/10 MWh. The project also has a newly built 220 kV booster station and grid connection lines, setting a provincial record by achieving full capacity grid connection within just 63 days. In its very first month of operation, the project successfully completed a capacity market transaction, turning the “new energy + storage” model from a concept into a tangible reality.
To date, the company has successfully commissioned a total of 1,650 MW of new energy and energy storage capacity. A further 1,550 MW of capacity is under construction. The group is intensifying efforts to advance the development of many photovoltaic projects, including the Qixiutang project in Diqing Tibetan Autonomous Prefecture and the Nanbeibang project in Menghai County. It is projected that by the end of this year, the group’s total operational capacity will reach 2,850 MW.
(Executive editor: Yuan Ting)
