US EditionAiming to Build Battery Ecosystem, Toyota & Mazda Start Tests of Energy Storage System Using Electrified Vehicle Batteries - CleanTechnica
Toyota and Mazda are testing a repurposed electric vehicle battery system to enhance stable power supply and advance carbon neutrality goals.
- Toyota Motor Corporation and Mazda Motor Corporation started field tests of Toyota's Sweep Energy Storage System at Mazda's Hiroshima Plant on August 21, 2025.
- The tests follow Toyota's development of the Sweep system that repurposes used batteries from electrified vehicles to enhance renewable energy regulation and battery reuse.
- The system uses high-voltage batteries with varying capacities, chemistries, and states of health, connecting Mazda's and Toyota's energy management systems for stable, efficient charging and discharging.
- The modular system acts as a buffer between factory power supplies and assembly lines, aiming to regulate fluctuating renewable energy and contribute to carbon neutrality in Japan.
- This collaboration supports industry efforts for a sustainable battery ecosystem, addressing mobility challenges and strengthening competitiveness with a multipathway approach toward carbon neutrality.
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12 Articles
Aiming to Build Battery Ecosystem, Toyota & Mazda Start Tests of Energy Storage System Using Electrified Vehicle Batteries - CleanTechnica
Toyota Motor Corporation (Toyota) and Mazda Motor Corporation (Mazda) have started field tests of Toyota’s Sweep Energy Storage System* at Mazda’s Hiroshima Plant in Hiroshima Prefecture, Japan. For the tests, the power system at Mazda’s headquarters campus―the only power generation system operated by an automaker in Japan―and Toyota’s system that utilizes ... [continued] The post Aiming to Build Battery Ecosystem, Toyota & Mazda Start Tests of …
Japanese automotive companies Toyota and Mazda have joined forces in a state-of-the-art project to boost the energy transition through a more efficient and sustainable battery ecosystem. This project seeks to optimize the use of resources and accelerate the electrification of mobility, not only on their own vehicles, but on a much larger scale.A shared energy storage system The heart of this collaboration is the implementation and testing of Toy…
Toyota and Mazda have launched tests in Japan of an energy storage system based on the reuse of vehicle batteries, marking a significant step forward in the electrification process. The tests are seen as a critical step toward efficient renewable energy management and achieving carbon neutrality goals.
Toyota and Mazda launch field tests of battery-based energy storage system – Telematics Wire
News, 22 August 2025 Toyota and Mazda have teamed up to begin field testing Toyota’s innovative “Sweep Energy Storage System” at Mazda’s Hiroshima Plant. This cutting-edge setup uses batteries from electrified vehicles to stabilize and optimize renewable energy use, aiming to support Japan’s push toward carbon neutrality while fostering a robust battery ecosystem. In a bold move to drive sustainable mobility, Toyota Motor Corporation and Mazda M…
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