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Japan Heralds New Era of Solar Power with Launch of Grid-Scale Battery System – Japan Industry News

NTT Anode Energy Corporation, Kyushu Electric Power Company (Kyuden), and Mitsubishi Corporation formally began operations of a 1.4 MW / 4.2MWh grid-scale battery storage system in Tagawa-gun, Fukuoka Prefecture, marking a big milestone in Japan’s journey towards renewable vitality.

The implementation of this method is predicted to spice up the nation’s use of solar energy by minimizing the need for solar energy curtailment when output exceeds demand.

Japan’s push to turn into carbon impartial by 2050 has heightened the deal with making renewables a core a part of the nation’s vitality composition. The problem lies in managing surges in renewable vitality era, with curtailment changing into an growing concern in areas like Kyushu and throughout Japan since spring 2022.

In fiscal 2023, curtailment within the Kyushu area alone is projected to result in the lack of about 740 GWh of energy, enough to energise 170,000 houses for a 12 months. To deal with this, the three corporations have mixed their assets since June 2022 to plan strategies that successfully make the most of surplus solar energy and foster further energy reserves.

The newly put in grid-scale battery system in Tagawa-gun signifies the businesses’ first initiative to attenuate the curtailment of surplus renewable vitality and guarantee a gradual energy provide when the supply-demand stability is tight. The battery system underwent 47 cost and discharge cycles from April to June 2023, dealing with a complete vitality cost and discharge of 260,000 kWh.

The corporations are embarking on two key validations. Firstly, the practicality of the enterprise mannequin is being assessed, with the multi-use of batteries in varied energy markets, equivalent to spot markets, supply-demand adjustment markets, and capability markets. Secondly, the synchronous operation of a number of solar energy vegetation is being examined to attenuate curtailment and optimize the usage of renewable vitality.

The consortium goals to provide energy to Japan’s capability market from fiscal 2025. While working to cut back solar energy curtailment, the businesses may even discover development alternatives for his or her ventures within the renewable vitality sector.