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Tesla shows off solar, Powerwall-backed display at Giga Berlin

Credit: Tesla Manufacturing | X

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Tesla has shared a unique new project at its Gigafactory Berlin-Brandenburg, featuring a small, dedicated facility that’s powered only by solar and the company’s home battery.

On Tuesday, Tesla’s Manufacturing account on X posted about the so-called “Giga small haus,” which is a building and display exhibit at Giga Berlin that’s powered only by the sun and the Powerwall 3. The building is a small room featuring a Tesla Model Y, an informational wall display detailing the Powerwall’s capabilities, and a ton of bright lighting to help make the company’s point.

Credit: Tesla Manufacturing | X

Credit: Tesla Manufacturing | X

The wall display features the Tesla Powerwall 3 and a Gateway, along with the following text about the hardware and the exhibit, as translated into English from German:

The Powerwall is a compact power storage unit that stores solar power or grid power. This power can be used to power the devices in your home day and night—even during power outages.

Customizable power management features allow you to use your stored power for backup, to reduce your electricity bill, and more.

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Storing Surplus Electricity

If your solar system generates more electricity than you need, you can store the extra power in the Powerwall for later use. The Powerwall can also charge itself from the public power grid when electricity prices are low.

Use electricity cleverly

Your stored power is always available – day, night, or during a power outage. One Powerwall can power your entire home – including heating, air conditioning, and other major appliances.

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Save and earn

Powerwall can optimize stored electricity based on your usage history and weather forecasts and dynamic electricity rates to power your home more efficiently during the day and at night.

Solar power for everything

Thanks to the fully integrated solar power inverter, the Powerwall can efficiently store your solar power and convert it into alternating current for your household.

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Suitable for all conditions

Thanks to innovative thermal management for installation outdoors or in buildings.

Note: The remainder of the text is out of view in the photo Tesla posted, though it continues on, detailing the system’s use as an Emergency Power Supply, the Tesla App, and presumably more. This story will be updated with the full text when it emerges.

 

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Tesla has used creative tactics for educational and advertising purposes many times in the past, and this comes as the company’s most recent public-facing developments at the Grünheide facility. Earlier this month, the company also highlighted how far Giga Berlin has come in the five years since Elon Musk first announced the project in 2019—including its production milestone of over 400,000 Model Y units, delivery to 37 countries, and its employment of 12,000 employees.

The company has also pointed to its water recycling facility at Giga Berlin in recent months, and its efforts to re-plant three times the number of trees it cuts down for an upcoming expansion project. For employees, the company also built an incoming railway, offering a free, now-electric “Giga Train” for workers in neighboring communities to be able to commute to work.

Last December, just weeks after the launch of the Cybertruck and hints at an upcoming launch of the Powerwall 3, Tesla used the two and a solar roof to deliver, install, and power an art exhibit in San Francisco 24 hours a day.

What are your thoughts? Let me know at zach@teslarati.com, find me on X at @zacharyvisconti, or send us tips at tips@teslarati.com.

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Tesla highlights water recycling efforts at its Gigafactory Berlin

Zach is a renewable energy reporter who has been covering electric vehicles since 2020. He grew up in Fremont, California, and he currently lives in Colorado. His work has appeared in the Chicago Tribune, KRON4 San Francisco, FOX31 Denver, InsideEVs, CleanTechnica, and many other publications. When he isn't covering Tesla or other EV companies, you can find him writing and performing music, drinking a good cup of coffee, or hanging out with his cats, Banks and Freddie. Reach out at zach@teslarati.com, find him on X at @zacharyvisconti, or send us tips at tips@teslarati.com.

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Elon Musk

SpaceX’s newest logo confirms everything about what it’s become

SpaceX officially absorbed xAI under the SpaceXAI brand, completing the largest private merger in history.

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SpaceX-Ax-4-mission-iss-launch-date

SpaceX made its corporate transformation official in May 2026 when Elon Musk posted on X that xAI would cease to exist as a standalone company. “xAI will be dissolved as a separate company, so it will just be SpaceXAI, the AI products from SpaceX,” he wrote.

A new SpaceXAI logo was announced today, visually embedding the xAI letters inside the SpaceX identity, which can be seen as a deliberate design choice that signals the merger is not a partnership but a full absorption and XAi a core function of the same company. The same way Starlink is not a separate brand but a SpaceX product. The announcement closed the loop on a process that began February 2, 2026, when SpaceX acquired xAI in the largest private merger in history, valued at $1.25 trillion. SpaceX at $1 trillion and xAI at $250 billion.


The reason SpaceX bought xAI was stated plainly by Musk at the time of the deal: to build orbital data centers. SpaceX had simultaneously filed with the FCC to launch up to one million satellites designed to function as AI compute nodes in low Earth orbit, escaping what Musk described as the energy constraints limiting AI development on Earth.

xAI provided the AI software stack, with Grok, the X platform, and the Colossus supercomputer infrastructure in Memphis with over 220,000 NVIDIA GPUs, while SpaceX provided the rockets, Starlink, and the capital base to fund it. The two companies needed each other. xAI was burning $2.5 billion in losses on $250 million in revenue. SpaceX was generating an estimated $8 billion in profit on $15 billion in revenue and needed an AI narrative to command the valuation it was targeting for its IPO.

SpaceXAI just launched into your kitchen with their new app

What SpaceX has done, regardless of how the orbital AI vision ultimately plays out, is walk into a public market as something no company has been before: a rocket manufacturer, satellite internet provider, AI software company, social media platform, and supercomputer operator under one ticker. Whether that combination is worth $2 trillion depends entirely on which of those businesses you believe in most.

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Tesla flexes how it will help the blind with Cybercab

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Credit: Tesla

Tesla brought its innovative Cybercab robotaxi to the National Federation of the Blind (NFB) Annual Convention in Austin, Texas, on July 3 at the JW Marriott Austin.

The hands-on demonstration highlighted the vehicle’s thoughtful design for blind and visually impaired users, underscoring Tesla’s commitment to inclusive autonomous mobility. Attendees, many using white canes or accompanied by service dogs, experienced the steering-wheel-free Cybercab firsthand.

The showcase emphasized practical features tailored to the needs of the blind community. Braille lettering appears on physical controls, including door releases and emergency buttons, allowing users to navigate interfaces independently through touch. Generous interior space accommodates service animals and assistive devices such as canes, guide dogs, or mobility aids without compromising comfort.

Wheelchair-height seating facilitates easier transfers for users with additional mobility challenges. Photos from the event captured blind attendees approaching the vehicle confidently, service dogs relaxing inside, and hands exploring Braille-equipped handles.

Tesla Robotaxi’s official account detailed these elements, noting the Cybercab’s focus on accessibility, especially noting the Braille lettering and additional space for service animals.

How Tesla Will Transform Mobility for the Blind

Autonomous vehicles like the Cybercab promise revolutionary independence for the roughly 2.2 million visually impaired Americans. Traditional barriers—reliance on sighted drivers, costly paratransit, or limited public transit—often restrict spontaneous travel. Tesla Full Self-Driving aims to eliminate the need for a human operator, enabling on-demand, door-to-door rides via simple app hailing with voice guidance.

Users gain freedom to work, socialize, shop, or attend events anytime without scheduling hassles or safety concerns. This reduces isolation, boosts employment opportunities, and enhances quality of life, turning mobility from a dependency into true personal autonomy.

The NFB demonstration not only gathered valuable feedback but also generated excitement about a future where technology levels the playing field. By prioritizing inclusive design, Tesla advances a vision of transportation that serves everyone, potentially reshaping daily life for blind individuals and setting a standard for the autonomous industry.

As Cybercab deployment scales, these accessibility innovations could mark a significant step toward equitable mobility.

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Investor's Corner

Tesla challenges startups to score a gig inside its most advanced European factory

Tesla is challenging startups to bring their best battery tech directly to Gigafactory Berlin.

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Tesla has issued an open challenge to startups across Europe, inviting them to bring their best battery technology directly to the floor of Gigafactory Berlin. The program, called the JUNI x Tesla Battery Cell Giga Challenge, opened applications this month with a deadline of July 24, 2026, and is targeting startups with solutions that can make battery cell manufacturing faster, cheaper, safer, and more scalable at an industrial level.

The timing of the challenge is directly tied to Tesla’s most aggressive European battery investment yet. On May 12, 2026, Giga Berlin plant manager André Thierig announced a $250 million investment to scale the factory’s annual 4680 cell production capacity from 8 GWh to 18 GWh, more than doubling the previous target set just months earlier in December 2025. Thierig confirmed the expansion on X, saying the investment “will enable 18 GWh of annual 4680 cell production and create more than 1,500 new jobs.” Combined with a previously announced battery investment at the Grunheide site now approaches $1.2 billion.


The challenge is looking specifically for startups with proven solutions across five categories: materials, equipment, operations, automation, and artificial intelligence. Applications are screened directly by Tesla’s cell manufacturing team in Grunheide, and the strongest submissions move through technical discussions, a pitch day in front of Tesla stakeholders, and potentially a paid pilot project with the cell team. Tesla is not looking for ideas at concept stage. The program requires applicants to demonstrate working prototypes, test data, or prior pilots before being considered.

The historical context matters here. Elon Musk first announced plans for what he called the world’s largest battery cell production facility alongside the Giga Berlin car factory back in 2020, targeting up to 250 GWh of annual capacity. Those plans were shelved in 2022 when Tesla shifted its battery investment focus to the United States to take advantage of Inflation Reduction Act incentives. The revival of cell production at Giga Berlin, now backed by over $1 billion in committed capital, represents a return to an ambition that was set aside for three years. As Teslarati has reported, the 4680 format is central to Tesla’s long-term cost reduction strategy across vehicles, energy storage, including the Tesla Semi and Cybercab.

By opening the challenge to outside startups, Tesla is acknowledging that reaching 18 GWh at Grunheide will require technology it does not currently have in-house, and it is willing to pay for the right solutions. For a startup in the battery supply chain, a paid pilot with Tesla’s European cell team is as close to a direct commercial path as the industry offers.

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