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Rivian set to debut energy storage project using ‘second life’ batteries from vehicles

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Rivian Automotive and the Honnold Foundation are working together in an initiative that is set to use the electric truck maker’s “second-life” batteries as stationary energy storage units in a microgrid project at Adjuntas, Puerto Rico. This marks a huge step for Rivian, which is planning on expanding its reach beyond the manufacture of all-electric luxury adventure vehicles.

Rivian will be utilizing 135 kWh battery packs from its development vehicles for the upcoming energy storage project, which is expected to launch in 2020. The company has designed its battery packs and modules in such a way that they can be easily transitioned from vehicle energy storage to stationary energy storage at the end of their vehicle life. The Rivian CEO described the concept in a press release.

“Second-life batteries are a big enabler to accelerating widespread adoption of renewable energy, and it’s exciting to envision this system contributing importantly to a community. This project allows us to model a customized energy storage solution that takes into account space constraints, disaster resiliency, and energy independence,” Scaringe said.

Using older batteries for energy storage is a clever way for Rivian to recycle the cells it uses for its all-electric trucks. While batteries at the end of their vehicle life will likely show some wear compared to those used in new EVs, they could still function well as stationary energy storage units. After all, optimal batteries for electric trucks require a lot of power, but those energy storage units could make do with much less (propelling the R1T from 0-60 mph, for example, takes a lot of power, but turning on the lights in a household does not require as much).

Rivian and the Honnold Foundation selected Adjuntas, Puerto Rico as the site of their microgrid project partly due to the town being in need of help. Adjuntas was struck by Hurricane Maria in 2017, and the community has been struggling with power since. If successful, Rivian and Honnold’s microgrid initiative could help many of the businesses located near the town’s main square. Residents could also have backup power in the event that power shortages happen.

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Further details of the project will be discussed by RJ Scaringe and elite climber Alex Honnold at Denver, CO on June 15 in a livestreamed event, which could be accessed here.

The full press release for Rivian and the Honnold Foundation’s upcoming microgrid project could be accessed below.

DENVER, June 13, 2019 /PRNewswire/ — On June 15, electric adventure vehicle maker Rivian is announcing a project to use its second-life batteries in a solar microgrid initiative with the Honnold Foundation. The goal: to support energy independence and adoption of renewable power generation. The project, in the town of Adjuntas, Puerto Rico, marks Rivian’s first steps in its broad plan to utilize second-life batteries for a wide variety of applications.

Rivian CEO RJ Scaringe and elite climber Alex Honnold will discuss the project in Denver, Colorado on June 15 at 6PM MT. The conversation will be moderated by endurance athlete and podcaster Rich Roll. The livestream can be found here: https://www.youtube.com/c/RivianOfficial/live

The company is using 135kWh battery packs from its development vehicles to support the project.

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Rivian has designed its pack, module, and battery management system to seamlessly transition from vehicle energy storage to stationary energy storage at the end of their vehicle life. The battery module’s thin design enables second-life applications that are space-efficient and customizable, important for environments with existing infrastructure.

“Second-life batteries are a big enabler to accelerating widespread adoption of renewable energy, and it’s exciting to envision this system contributing importantly to a community. This project allows us to model a customized energy storage solution that takes into account space constraints, disaster resiliency and energy independence,” said Scaringe.

Adjuntas is a city of 20,000 in midwestern Puerto Rico. It was severely impacted by Hurricane Maria in 2017, and with climate change increasing the frequency and severity of storms, Adjuntas NGO Casa Pueblo has sought to collaborate on rugged, affordable sources of community power.

The Honnold Foundation and Rivian battery engineers visited Casa Pueblo earlier in 2019 to meet with community leaders and together are designing a site-specific system that will power many of the businesses located in the Adjuntas town square. In power loss scenarios, the downtown solar microgrid will allow Adjuntas residents access to electricity for core businesses. By offsetting day-to-day electric bills, the system also brings down high commercial energy costs, which in Puerto Rico are twice the national average.

The system is expected to launch in 2020.

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Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Tesla announces closure date on widely controversial Full Self-Driving program

Tesla has said that it will officially bring closure to its free Full Self-Driving transfer program on March 31, 2026, giving owners until the end of the quarter to move their driving suite to another vehicle with no additional cost.

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Tesla has officially announced a closure date for a widely controversial Full Self-Driving program, which has been among the most discussed pieces of the driving suite for years.

The move comes just after the company confirmed it would no longer offer the option to purchase the suite outright, instead opting for a subscription-based platform that will be available in mid-February.

Tesla has said that it will officially bring closure to its free Full Self-Driving transfer program on March 31, 2026, giving owners until the end of the quarter to move their driving suite to another vehicle with no additional cost.

After that date, Tesla owners who purchased the FSD suite outright will have to adopt the exclusive subscription-only program, which will be the only option available after February 14.

CEO Elon Musk announced earlier this month that Tesla would be ending the option to purchase Full Self-Driving outright, but the reasoning for this decision is unknown.

However, there has been a lot of speculation that Tesla could offer a new tiered program, which would potentially lower the price of the suite and increase the take rate.

Tesla is shifting FSD to a subscription-only model, confirms Elon Musk

Others have mentioned something like a pay-per-mile platform that would charge drivers based on usage, which seems to be advantageous for those who still love to drive their cars but enjoy using FSD for longer trips, as it can take the stress out of driving.

Moving forward, Tesla seems to be taking any strategy it can to increase the number of owners who utilize FSD, especially as it is explicitly mentioned in Musk’s new compensation package, which was approved last year.

Musk is responsible for getting at least 10 million active Full Self-Driving subscriptions in one tranche, while another would require the company to deliver 20 million vehicles cumulatively.

The current FSD take rate is somewhere around 12 percent, as the company revealed during the Q3 2025 Earnings Call. Tesla needs to bump this up considerably, and the move to rid itself of the outright purchase option seems to be a move to get things going in the right direction.

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Tesla Model Y leads South Korea’s EV growth in 2025

Data from the Korea Automobile and Mobility Industry Association showed that the Tesla Model Y emerged as one of the segment’s single biggest growth drivers.

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Credit: Tesla Malaysia/X

South Korea’s electric vehicle market saw a notable rise in 2025, with registrations rising more than 50% and EV penetration surpassing 10% for the first time. 

Data from the Korea Automobile and Mobility Industry Association showed that the Tesla Model Y, which is imported from Gigafactory Shanghai, emerged as one of the segment’s single biggest growth drivers, as noted in a report from IT Home News.

As per the Korea Automobile and Mobility Industry Association’s (KAMA) 2025 Korea Domestic Electric Vehicle Market Settlement report, South Korea registered 220,177 new electric vehicles in 2025, a 50.1% year-over-year increase. EV penetration also reached 13.1% in the country, entering double digits for the first time. 

The Tesla Model Y played a central role in the market’s growth. The Model Y alone sold 50,397 units during the year, capturing 26.6% of South Korea’s pure electric passenger vehicle market. Sales of the Giga Shanghai-built Model Y increased 169.2% compared with 2024, driven largely by strong demand for the all-electric crossover’s revamped version.

Manufacturer performance reflected a tightly contested market. Kia led with 60,609 EV sales, followed closely by Tesla at 59,893 units and Hyundai at 55,461 units. Together, the three brands accounted for nearly 80% of the country’s total EV sales, forming what KAMA described as a three-way competitive market.

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Imported EVs gained ground in South Korea in 2025, reaching a market share of 42.8%, while the share of domestically produced EVs declined from 75% in 2022 to 57.2% last year. Sales of China-made EVs more than doubled year over year to 74,728 units, supported in no small part by Tesla and its Model Y.

Elon Musk, for his part, has praised South Korean customers and their embrace of the electric vehicler maker. In a reply on X to a user who noted that South Koreans are fond of FSD, Musk stated that, “Koreans are often a step ahead in appreciating new technology.”

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Samsung’s Tesla AI5/AI6 chip factory to start key equipment tests in March: report

Samsung Electronics seems to be ramping its efforts to start operations at its Taylor, Texas semiconductor plant.

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Image used with permission for Teslarati. (Credit: Tom Cross)

Samsung Electronics seems to be ramping its efforts to start operations at its Taylor, Texas semiconductor plant, which will produce Tesla’s next-generation AI5 chip. 

Preparing for Tesla’s AI5/AI6 chips

As per a report by Sina Finance, Samsung Electronics is looking to begin trial operations of extreme ultraviolet (EUV) lithography equipment at its Taylor facility in March. These efforts are reportedly intended to support the full production of Tesla’s AI5 chips starting in the latter half of 2026.

The Taylor factory, Samsung’s first wafer fabrication plant in the United States, covers roughly 4.85 million square meters and is nearing completion. Media reports, citing contractors, have estimated that about 7,000 workers now work on the factory, about 1,000 of whom are reportedly working from the facility’s office building. 

Samsung is reportedly preparing to apply for a temporary occupancy permit, which would allow production to begin before the plant is fully completed.

Tesla’s aggressive AI chip roadmap

Elon Musk recently stated that Tesla’s next-generation AI5 chip is nearly complete, while early development on its successor, AI6, is already underway. Musk shared the update in a post on X, which also happened to be a recruiting message for engineers.

As per Musk, Tesla is looking to iterate its in-house AI chips on an accelerated timeline, with future generations, including AI7, AI8, and AI9, targeting a roughly nine-month design cycle. He also stated that the rapid cadence could allow Tesla’s chips to become the highest-volume AI processors in the world.

Previous reports have indicated that Samsung Electronics would be manufacturing Tesla’s AI5 chip, alongside its rival, Taiwan Semiconductor Manufacturing Company (TSMC). The two suppliers are expected to produce different versions of Tesla’s AI5 chip, with TSMC using a 3nm process and Samsung targeting 2nm production.

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