The Envision Energy's office building in Shanghai. [Photo/VCG]

Envision Energy has connected the world's largest standalone battery energy storage station to the grid in Inner Mongolia autonomous region, as China accelerates its transition toward an AI-driven, renewable-heavy power system.

The energy storage station, featuring a massive 4 GWh capacity, was commissioned on Tuesday.

Fully equipped with Envision's proprietary AI-driven energy storage systems, the company says the station pushes its total developed capacity in Inner Mongolia to over 14 GWh.

The project, a new global benchmark for the scale and grid-connection speed of energy storage clusters, is designed to significantly boost the local grid's capacity to absorb renewable energy while enhancing overall operational stability.

The facility will play a significant role in the electricity spot market as China shifts towards more market-oriented power trading.

According to Envision, the integration of artificial intelligence is expected to provide a significant financial edge.

Based on operations data, the company's AI storage systems have already demonstrated industry-leading accuracy in market trading forecasts at existing sites in Inner Mongolia. This precision is projected to boost total life-cycle returns by more than 20 percent.

This kind of efficiency is becoming a "must-have" for energy developers facing the dual challenges of grid stabilization and profit maximization in high-penetration renewable scenarios.

Source: By Zheng Xin, chinadaily.com, Dec. 31, 2025 [https://www.chinadaily.com.cn/a/202512/31/WS69550ccba310d6866eb3176a.html]