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Tesla Energy Storage // Power Transformer Market // EU Solar

Welcome to today’s GridBrief! Today, we’re diving into Tesla’s ambitious energy storage goals. Following a record Q3, Tesla is on track to more than double its stationary storage deployments to an annual target of 100 GWh, bolstered by its new production facilities. With the Power Transformer Market also seeing a surge—driven by infrastructure investments and a global renewable transition—these sectors are essential to building resilient, next-gen grids.

Tesla’s Energy Storage Push to Double Deployments in 2024

Tesla has announced a 75% year-over-year increase in energy storage deployments for Q3, totaling 6.9 GWh, and it aims to double its storage output in 2024. Led by high demand for both Powerwall and utility-scale Megapacks, Tesla’s recent investments in its Lathrop, CA, Megafactory have ramped up production, achieving an impressive 40-GWh run rate. Additionally, its Shanghai Megafactory, set to begin shipping early next year, will help Tesla reach 100 GWh annually. Tesla CFO Vaibhav Taneja confirmed that customer interest in Powerwall remains high, with record deployments and more than 100,000 units currently enrolled in virtual power plant programs.

Tesla’s growth in the energy sector aligns with its vision for a sustainable energy ecosystem, which CEO Elon Musk elaborated on during the company’s Master Plan 3 report last March. Tesla projects a future requiring 30 TW of renewable energy and 240 TWh of storage capacity. Key bottlenecks like lithium refining have posed challenges, but Tesla’s South Texas refinery, expected to begin production next year, marks progress in overcoming supply chain constraints for critical battery materials.

Power Transformer Market Poised for Growth Amid Rising Demand

The global power transformer market is booming, projected to reach $44.8 billion by 2032 at a CAGR of 7.71%, as energy demand and infrastructure investments surge worldwide. This growth is tied to the rising need for dependable transformers, especially in fast-developing regions like Asia-Pacific, where urbanization and renewable energy projects have heightened power grid demands. As power systems modernize, transformers—especially high-capacity three-phase units—play an essential role in delivering stable power. Market leaders like ABB and Siemens Energy are investing in green and high-efficiency transformer solutions, with innovations like shell-core transformers gaining preference for their compact size and high efficiency. This market expansion is further fueled by a global shift towards cleaner, renewable-based energy systems.

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Good Bet, Bad Bet

Bad Bet: EEStor's "Infinite-Range" Batteries
In the early 2000s, a company called EEStor, led by CEO Richard Weir, promised revolutionary "infinite-range" electric vehicle batteries, using capacitor-based energy storage. The idea generated significant buzz, with claims that their batteries would outperform lithium-ion technology in both cost and range. However, the company struggled with engineering and scalability issues, and their technology ultimately failed to deliver on its bold promises. Investors saw millions of dollars disappear, as the company was unable to meet performance claims, leaving EEStor a cautionary tale about investing in speculative tech without verified breakthroughs.

Good Bet: Zhejiang’s TBEA Transformer (Yahoo)
While many focus on major players in power grid equipment, Zhejiang-based TBEA Co., Ltd. has been quietly gaining traction. China’s rapid electrification efforts and TBEA’s push for high-efficiency, green transformer technologies have positioned it as a growth stock to watch. With sustained investment in R&D and collaborations on eco-friendly transformer projects, TBEA is emerging as a key player in Asia's power sector.

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