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Sumitomo Electric Vanadium Redox Flow Battery System in Kashiwazaki City

Sector: Solar • Location: Kashiwazaki, Niigata, Japan

Source: Energy-Storage.News

Project
Under Construction

Sumitomo Electric is constructing its third 1MW/8MWh vanadium redox flow battery (VRFB) system for Kashiwazaki IR Energy in Kashiwazaki City, Niigata, Japan. The system is designed to charge from the grid during periods of abundant solar PV generation and discharge during peak demand to support renewable integration and grid stability. The project follows two previous installations, with the first

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The project “Sumitomo Electric Vanadium Redox Flow Battery System in Kashiwazaki City” is an infrastructure initiative in the Solar sector, located in Kashiwazaki, Niigata, Japan. Taiyo aggregates data on it from Energy-Storage.News.

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Sumitomo Electric is constructing its third 1MW/8MWh vanadium redox flow battery (VRFB) system for Kashiwazaki IR Energy in Kashiwazaki City, Niigata, Japan. The system is designed to charge from the grid during periods of abundant solar PV generation and discharge during peak demand to support renewable integration and grid stability. The project follows two previous installations, with the first completed in September 2024 and the second operational since March 2025. The third system is expected to be completed by Spring 2026, bringing the total capacity to 3MW/24MWh.

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