ESN Premium’s deep dive into Japan continues with a look at the complexities of an evolving market underpinned by strong drivers for energy storage.

The US Department of Commerce has provisionally decided to impose anti-dumping (AD) tariffs on active anode material (AAM) product imports from China of 93.5%, bringing the total tariff on them to 160%.

A senior APAC representative for Fluence has said that “a significant amount of capital” is expected to be invested in Japan’s battery storage market.

ESN Premium grills Matt Harper of Invinity Energy Systems on the flow battery company’s new partnership with China’s UESNT.

As we move through this decisive decade for clean energy, Asia’s energy storage market is stepping firmly onto the global stage.

Two US-headquartered solar and sustainability-focused investors have launched GSSG Chikuden, a utility-scale battery storage developer, in Japan.

Invinity Energy Systems believes partnering with a Chinese materials and manufacturing company will enable significant cost reduction of its vanadium redox flow battery (VRFB) technology.

Japan’s energy storage market is experiencing a wave of significant growth, as ESN Premium hears from Eku Energy and BloombergNEF.

June 2025 saw a total of 7.96GW/22.17GWh of grid-scale BESS enter commercial operations across 109 projects, with over half of that being in China, while the overall first half of the year saw substantial growth.

Tenders for 171GWh of energy storage capacity have been launched in India, including more than 55GWh in the first half of 2025 alone.