Case Study

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Team Members

CEEC Chuxiong Energy Storage Project: Pioneer in Green Energy Grid Stabilization

Operational Impact‌

  1. Significant Improvement in New Energy Consumption: It effectively stores excess electricity during peak new energy power generation periods and releases it during low – generation periods, greatly improving Chuxiong Prefecture’s ability to consume wind and photovoltaic energy and reducing energy waste.
  2. Enhanced Grid Stability: It provides a stable and reliable power supply for electrical loads, significantly alleviating the peak – shaving and frequency – modulation pressure on the power grid and enhancing the grid’s resilience to large – scale new energy access, providing solid capacity support for grid stability.
  3. Industry Demonstration and Leadership: As an important practice in Yunnan Province’s new energy storage field, it provides valuable experience for the planning, construction, and operation of energy storage projects across the province and the country, promoting technological progress and high – quality development of the energy storage industry.

Date

April,2025

Client

Chuxiong

Category

Power Plant ESSProjects

Location

Yunnan

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Project Context

    In the global wave of accelerating transition to clean energy, the new energy industry in Chuxiong Prefecture, Yunnan Province, is booming. However, the instability of wind and photovoltaic power generation poses challenges to the stable operation of the local power grid. Yunnan Institute of CEEC won the EPC general contract for the 300MW/600MWh independent shared energy storage project in Dayao County, Chuxiong Prefecture. Located in Dayao Industrial Park, this project is a key one in the Supplementary List of Yunnan Province’s 2025 Concentrated Shared New Energy Storage Projects, aiming to solve the problem of new energy consumption and enhance grid stability.

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Engineering Solution

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  1. High – quality Energy Storage System Construction: The project adopts the lithium iron phosphate technology route and forms an Energy Storage System with a total capacity of 300MW/600MWh, consisting of 60 pre – fabricated energy storage system cabins (5MW/10MWh each). This system features high safety, long service life, and excellent charge – discharge performance, enabling efficient electricity storage and release.
  2. Key Supporting Facility Construction: A 220kV step – up substation is constructed to achieve seamless and efficient connection between the energy storage system and the power grid, ensuring stable and efficient power transmission.
  3. Intelligent Operation and Maintenance Management: Advanced intelligent monitoring and energy management systems are used to monitor all operating parameters of the energy storage system in real – time. Intelligent algorithms are applied to dynamically adjust charge – discharge strategies, ensuring the energy storage system operates at its best.

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