Neoen unveils 100MW Ako Battery project in Japan's Kansai region
Type: Development · Technology: Storage · Country: Japan · Capacity: 100 MW · Announced: 2026-04-02
Neoen announced the Ako Battery, a 100MW/400MWh energy storage project in Japan's Kansai region, marking its first large-scale battery investment in the country. The project, located in Hyogo Prefecture, is scheduled to begin construction in the coming months with operations expected to commence in 2028. Neoen is collaborating with Equans and Toho on the project, and secured a grid connection agreement with Kansai Electric Power Company in January 2026. This four-hour duration battery will support the Japanese grid by enhancing stability and resilience, expanding Neoen's global battery storage portfolio to 2.8GW/8.1GWh across seven countries.
Analysis
Neoen announced the 100MW/400MWh Ako Battery energy storage project in Japan's Kansai region, its first large-scale battery investment in the country. Neoen, a developer, financer, builder, and operator of renewable energy plants, is collaborating with Toho and Equans on the project located in Hyogo Prefecture. The project secured a grid connection agreement with Kansai Electric Power Company in January 2026. Construction is expected to begin in the coming months, with operations commencing in 2028.
Key points
- Neoen announced the 100MW/400MWh Ako Battery project.
- The project is located in Japan's Kansai region.
- A grid connection agreement was secured with Kansai Electric Power Company in January 2026.
- Operations are expected to commence in 2028.
Counterparties
- Kansai Electric Power (Offtaker)
- Toho (Partner)
- Equans (Partner)
- Neoen (Developer)