CATL Launches Innovative TENER Stack at Energy Expo 2025
CATL Introduces TENER Stack: A Game Changer in Energy Storage
CATL, a renowned global leader in energy storage solutions, has made a significant advancement by introducing its TENER Stack at the Smarter E South America 2025. This event, recognized as the largest energy storage exhibition on the continent, provided an ideal platform for CATL to unveil its innovative technologies. The TENER Stack represents the world’s first stackable 9MWh ultra-large capacity energy storage system. This state-of-the-art system showcases adaptability to CATL's various cell technologies while offering up to five years of zero degradation and high-temperature resistance, making it suitable for diverse climates across South America.
TENER Stack Designed for Brazil's Unique Energy Landscape
Brazil's energy market stands at a crucial turning point, driven by an increase in renewable energy sources. As the demand for flexible energy solutions rises, BloombergNEF indicates that energy storage in Brazil is on the cusp of substantial growth. It is projected that the country will require more than $6 trillion in energy investments by mid-century to achieve its net-zero goals.
To meet these burgeoning needs, CATL's TENER Stack emerges as a revolutionary product that signifies a strategic advancement in energy capacity and deployment flexibility. This cutting-edge system has the capacity to store 9MWh of energy, which is capable of fully charging 45 electric buses equipped with 200kWh battery packs or supplying electricity for six years to an average Brazilian household. In doing this, TENER Stack utilizes land area 45% more efficiently and provides 50% higher projected energy density compared to standard 20-foot systems.
Efficiency and Transportability
Flexibility is at the core of the TENER Stack's design. Weighing less than 36 tonnes, it adheres to transport regulations in 99% of global markets. Its compatibility with standard shipping options results in transportation costs dropping by up to 35%. Furthermore, its lower center of gravity ensures stability on routes that may present challenges such as bridges and rural infrastructure.
Built-in Safety Features
CATL has taken safety and reliability to new heights with the TENER Stack. Utilizing LFP battery chemistry ensures thermal stability, while enhanced gas sensors that are 40% more sensitive facilitate quicker fire suppression. The structure's triple-layer insulation provides up to two hours of fire resistance, and it meets IEEE693 seismic standards, capable of withstanding significant earthquakes and severe weather conditions.
Challenges like frequent grid fluctuations and high ambient temperatures often face Brazil and other South American markets. The TENER Stack has been meticulously engineered to handle these issues with ease.
Its advanced gas sensors are designed to operate without maintenance for ten years, unlike traditional sensors which require replacement every two years. Additionally, the redesigned UPS system supports a self-powered design, ensuring that backup lasts longer during outages.
Comprehensive Energy Solutions for All Ventures
CATL provides a diverse range of energy solutions through its extensive portfolio that includes products like the EnerOne+ and TENER series. Each product is skillfully crafted to be lightweight and portable while being resilient to the extreme conditions encountered in rainforests—operating effectively within a wide temperature range from -35°C to 55°C. This versatility means CATL is well-equipped to support projects of all sizes across Brazil and larger South America.
Driving the Future of Sustainable Energy in South America
CATL has already established a strong presence in Brazil, having powered the nation's first utility-scale storage project, the Registro Energy Storage Project, which began operations in 2022. This project has set a benchmark within the South American energy storage industry, recently expanding its initial power station in a move that signifies CATL's commitment to growth in the local market.
Beyond Brazil, CATL is shaping its global business strategy by building local talent teams in countries such as Chile, Argentina, Mexico, Colombia, and the Dominican Republic. This upcoming September, CATL will inaugurate a regional office in Chile, aimed at offering localized support and expertise to foster innovation.
By continuing to push technological boundaries with the TENER series and other cutting-edge energy storage products, CATL remains dedicated to empowering its partners in South America and globally in the transition toward flexible, safe, and sustainable energy solutions.
As of the first half of 2025, CATL's energy storage systems are deployed across more than 2,000 projects globally, covering a multitude of climates and operating conditions. The company proudly holds the lead in global energy storage battery shipments with over 93GWH deployed in 2024.
Frequently Asked Questions
What is the TENER Stack?
The TENER Stack is an innovative energy storage system developed by CATL, featuring a capacity of 9MWh, designed for flexibility, safety, and efficiency.
How does the TENER Stack benefit Brazil's energy market?
It addresses the growing demand for energy storage solutions as Brazil transitions to renewable energy, providing a significant increase in capacity and efficiency.
What safety features are included in the TENER Stack?
The TENER Stack includes enhanced gas sensors, triple-layer insulation, and thermal stability features that meet stringent seismic standards.
Where is CATL expanding in South America?
CATL is expanding into several countries including Chile, Argentina, Mexico, and Colombia, establishing local teams to support their initiatives.
How much energy can the TENER Stack store?
The TENER Stack can store 9MWh of energy, equating to the ability to fully charge 45 electric buses or provide power for an average household for six years.
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