Sumitomo Electric announced an order for a 1 MW redox flow battery system with an eight-hour duration. The order is from municipal power company Kashiwazaki Ideal & Realistic Energy for installation on the premises of the Kashiwazaki City Natural Environment Purification Centre.
Financial details were not disclosed.
Sumitomo said Kashiwazaki City’s energy was based on petroleum in the early 20th century and on nuclear since the 1980s. According to the Kashiwazaki City Regional Energy Vision, the city aims to decarbonise by harnessing renewable energy sources.
To achieve this, it is now in a period based on nuclear and renewable energy. It envisages proactive installation and expansion of various renewable power.
The city and Kashiwazaki IR Energy plan to develop high-capacity battery systems alongside solar power generation systems over the next few years, Sumitomo said. The battery will facilitate effective use and further adoption of renewable energy. It will also ensure cost-effective power procurement and stable power supply through integration with trading in the wholesale electricity market.
The battery installation is scheduled for completion in March 2024. Sumitomo has supplied redox flow battery systems with a total output of 47 MW and a total capacity of 162 MWh – domestically and internationally. It claims a system lifetime of over 20 years, and electrolyte that does not deteriorate.
Image: Redox flow battery system (8 MWh) installation concept. Sumitomo