en.Wedoany.com Reported - The Yari "1+N" Project (Bid II) 500 MW photovoltaic power station supporting 50 MW/100 MWh grid-forming energy storage project, constructed by China Three Gorges Renewables (Group) Co., Ltd. Sichuan Energy Investment Co., Ltd. in Daofu County, Garze Tibetan Autonomous Prefecture, Sichuan Province, has been successfully connected to the grid. Located in a weak-grid area at an altitude of over 4,000 meters, this project represents an early practice of this technical route in a high-altitude weak-grid environment.

In high-altitude weak-grid environments, new energy stations face challenges such as curtailment losses and power fluctuations. After being put into operation, this project will enhance regional grid support capacity through grid-forming energy storage technology, smooth output fluctuations, and reduce curtailment losses, thereby improving the consumption level of clean energy and supporting the efficient development and reliable outward transmission of clean energy in Garze Prefecture.

During the project construction, the preparatory group of China Three Gorges Sichuan Energy Investment Garze Company (Daofu Company) tackled key technologies for new energy grid connection, adopted the industry-leading intelligent string-type grid-forming technology, and innovatively applied energy storage technology to ensure the safe and stable operation of the power grid. Compared with traditional solutions, this new technology saved tens of millions of yuan in construction investment and increased the power outward transmission capacity by over 20%. This practice has explored an efficient new model for high-altitude new energy grid connection, forming a replicable "Three Gorges Experience."

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