This long-duration energy storage (LDES) system made of advanced lead-carbon batteries is currently the largest of its kind in the world.
Connected to Huzhou's main electricity grid since March 2023, the installation is helping to reduce energy costs to industries and citizens by providing an alternative power source at peak rates. These systems bring significant advantages such as low investment cost and rapid return on investment, and low carbon footprint with long design life and material with high recycling rates.
| Location | Huzhou, Zhejiang Province, China |
| Project launch | March 2023 |
| Construction time | 3 months |
| Size of the system | 1000 MWh (1 GWh) energy, 100 MW power; 10 hour system |
| Battery type | 3 million 2 V advanced lead-carbon AGM batteries |
| Battery provider | batteries were made in China, by Tianneng Power |
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