Wanbang Digital Energy invests CNY 3 billion in world's largest LFP grid-forming battery storage project in China
Type: Investment · Technology: Storage · Country: China · Capacity: 1 GW · Value: $445M · Announced: 2026-08-03
Wanbang Digital Energy invested approximately CNY 3 billion (USD 445 million) in the DongSu Substation New Energy Storage Special Action project, a 1 GW/4 GWh battery energy storage facility in China's Inner Mongolia Autonomous Region. The project, located near Mandulatu in Sonid Left Banner, Xilingol League, successfully completed its initial energization and grid connection on August 3rd, 2026. Occupying around 28 hectares, this facility is described as the world's largest single-site grid-forming LFP battery storage plant. The four-hour LFP station is expected to discharge around 1 TWh of electricity annually, providing material grid-forming capabilities to support the region's high penetrations of variable renewable generation.
Analysis
Wanbang Digital Energy invested approximately CNY 3 billion (USD 445 million) in the DongSu Substation New Energy Storage Special Action project, a 1 GW/4 GWh battery energy storage facility in China's Inner Mongolia Autonomous Region. The project, located near Mandulatu in Sonid Left Banner, Xilingol League, successfully completed its initial energization and grid connection on August 3rd, 2026. Wanbang Digital Energy is the investor in this project, while ESS News is the supplier. The facility occupies around 28 hectares and is expected to discharge around 1 TWh of electricity annually. The project was announced on August 3rd, 2026.
Key points
- CNY 3 billion (USD 445 million) investment
- 1 GW/4 GWh battery energy storage facility
- Located in China's Inner Mongolia Autonomous Region
- 28 hectares facility size
- Expected to discharge around 1 TWh of electricity annually
Counterparties
- Wanbang Digital Energy (Investor)
- ESS News (Supplier)
📈 The Sherpa Signal — one notable infrastructure deal a day.