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Tesla Motors’ Residential Battery Pack, Lean on Details

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Tesla Nevada Gigafactory

Energy storage and Tesla Motors’ residential battery pack has been trending over the last couple of days since it was announced last week during the company’s conference call. In typical Musk fashion, the conference call reference was lean on details and provides the carrot for financial analysts to overlook it’s miss on revenue and earnings.

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Tesla battery technology integrated into SolarCity residential solar system. (Image credit: Solar City)

The assumption is this battery pack production will be able to store energy from your solar panels and electric vehicle owners will be able to use that electricity to directly charge their cars.

This is an interesting play from Musk and direction for Tesla Motors due to the fact that residential battery storage doesn’t exist at this point—some pilots have been underway in California via Tesla. Some critics are saying Tesla may be getting sidetracked and would benefit from a more pragmatic CEO (think they said the same thing about Steve Jobs in early 80s).

They have a point. I write for a manufacturing software magazine, called Automation World, and this audience seems to be ideal market for battery storage, if the return on investment is right. However, while researching an upcoming feature article on energy management for manufacturers, plant floor production is just starting to focus on managing energy for bottom-line savings. Battery storage isn’t in the picture, yet—though commercial buildings might be easier to implement than manufacturers at the beginning.

So is Musk’s aim correct? Is residential battery storage ready?

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One critic, Jigar Shah, president and co-founder, Generate Capital, believes the solar and battery storage market's first push would be for commercial buildings or manufacturers, but not necessarily with residential.

On a recent Energy Gang podcast, Shah says,"You have to have a market for residential storage, by which to bid that capacity into the market like intelligent generation does and get paid for it. So if you decide to have 24 hours (or longer) of battery storage, then it’s not a dead asset sitting there that only gets used twice a year.

Again, Shah is talking about a lithium battery battery pack linked with solar. So what is the vision from Musk and JB Straubel?

From the conference call comments, Tesla said the design is finished. Musk says,

"We’re going to unveil some of the Tesla home battery consumer battery that will be for you using and people’s houses or businesses, fairly soon. We have the design done and it should start going into production probably about six months or so.”

So not much at this point and Musk once had hoped to leverage "used battery packs" as part of a greener energy storage solution for businesses or homes.

However, Tesla’s director of powertrain business development, Mateo Jaramillo, on the same podcast, says,“So will a used EV battery in seven or eight years be cheaper, more cost-effective to integrate into whatever application you’re trying to get into than a brand new battery in that year, says Jarmamillo. “Right now, the answer doesn’t look like to be yes.”

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RELATED: [Podcast] Tesla’s Battery Storage Strategy

BMW is also starting a battery storage pilot program in California with Pacific, Gas and Electric, which we announced last month —Tesla and BMW Battery Packs to the Rescue?). Tesla has also said they are in talks with utilities and they are not enemies in this market play.

So there’s something here and it seems like Musk is porting over his Model S plan: create a market, create buzz and hope supporting market mechanisms will sprout up.

Jigar Shah makes a good point that utilities need to have real-time analytics and a communication infrastructure to provide energy pricing signals quickly to customers. Shah sees this support needed to help residential storage to make money and even “pool” their energy with other battery systems and sell it back to the grid.

Just like last year with the gigafactory, Tesla has teased a product with to the clean energy and business crowd. The wait won't be as long as the gigafactory in 2014, Musk said via the conference call last week that "a product unveiling is probably in the next month or two.”

We're ready PT Barnum/Nikola Tesla.

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"Grant Gerke wears his Model S on his sleeve and has been writing about Tesla for the last five years on numerous media sites. He has a bias towards plug-in vehicles and also writes about manufacturing software for Automation World magazine in Chicago. Find him at Teslarati

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Investor's Corner

Tesla showrooms picked clean ahead of Q3 end as demand looks strong

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Credit: @thaichiminh1907/X

Tesla (NASDAQ: TSLA) showrooms have been picked clean ahead of the end of the third quarter of the year, as demand looks to be strong and delivery estimates for new vehicles are pushed into late 2026 and early 2027.

Tesla appears to have sold out of many of its Model 3 and Model Y trim levels in the United States, as only the Model Y RWD and Model Y All-Wheel-Drive are available for delivery before the end of the year.

Additionally, many showrooms are either completely empty or void of all but just one demo unit within the buildings themselves in an effort to bolster what could be one of Tesla’s best quarters in vehicle deliveries in recent memory.

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Additionally, when I spoke to the guys at Tesla Mechanicsburg two weeks ago, when I returned the Model Y L, their third hauler of the week had just arrived, and every vehicle on it, along with every vehicle in their delivery lot, was accounted for and had a name attached to it for delivery.

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Tesla saw a 25 percent increase in deliveries in Q2 compared to the same quarter the year before. The vast majority of the 480,126 units it delivered, 467,762 vehicles to be exact, were the Model 3 and Model Y.

In Q3 2025, Tesla delivered 497,099 vehicles, once again a figure that was dominated by the company’s two mass-market vehicles. Analysts have unusually wide predictions for this quarter, likely because so many firms missed the Q2 delivery figure by such a substantial margin; Wall Street predicted 408,000 cars, while Tesla delivered 480,000.

Goldman Sachs has Tesla slotted for 435,000 deliveries in Q3, while JPMorgan said it anticipates 482,000. The median guess is about 449,000 deliveries for Q3.

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Interested in ordering a Tesla? Use my referral code for three free months of Full Self-Driving (Supervised) here.

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SpaceX turned a heralding moment for Starship into its greatest

Starship reached orbit despite losing an engine, deployed 26 Starlink V3 satellites on Flight 14.

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SpaceX’s Starship reached orbit for the first time on Monday, and for a few nail-biting minutes it looked like it wouldn’t. During ascent on Flight 14, one of Ship 41’s six Raptor engines shut down early, and SpaceX’s livestream host Dan Huot told viewers the team had decided not to commit to orbit. Minutes later, after what Huot described as a lot of conversation in the control room, the final poll came back in favor, and a roughly 19 second burn of a single Raptor pushed the ship into orbit about 170 miles up.

The reversal matters because SpaceX had written the exit ramp into the mission plan. The company said it would only fire the orbital insertion burn if flight controllers confirmed enough backup hardware remained for the deorbit burn, a condition Teslarati laid out ahead of the flight. Losing an engine was exactly the scenario that rule was built for.

Pressing forward fits Elon Musk’s history. Falcon 1 failed three straight times before its fourth launch reached orbit in 2008, with SpaceX nearly out of money, and Starship was developed by flying prototypes until they broke. What changed this year SpaceX going public, and with $SPCX sliding below its IPO price in July when Flight 13 slipped, the short interest climbed significantly, as Teslarati reported at the time. A Starship potentially lost today with revenue generating next-gen Starlink satellites aboard would have landed directly on shareholders.

That pressure showed up after orbit. SpaceX cut a flight planned to last nearly 10 hours to about three, moving splashdown from west of Chile to the North Pacific near Hawaii. SpaceX gave no reason, though Musk said this month the company was being extremely cautious about debris risk. The single Raptor for deorbit worked, and Ship 41 completed its flip and landing burn before breaking apart in the water, an outcome SpaceX expected. Musk has structured SpaceX’s governance to shield long term bets from market pressure.

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The payload is the bigger business story. Musk posted that all 26 Starlink V3 satellites deployed and are “operating nominally.” Each V3 is rated for about 1 Tbps of downlink and 160 Gbps of uplink, so this single launch adds roughly 26 Tbps, about 10 times what a Falcon 9 load of V2 Mini satellites adds. The V3 is too large for Falcon 9, making Starship the only vehicle that can build out the planned 100,000 satellite constellation, at up to 60 per flight once it reaches routine service. Unlike the 20 V3 units on Flight 13, which reentered on a suborbital path, these will raise their orbits and could begin serving customers within weeks and bring in hundreds of millions of additional dollars in projected Starlink revenue.

SpaceX has already begun winding down Falcon 9 Starlink launches from Florida in favor of Starship. Reported targets put Flight 15 as early as October 19, leaving about three weeks to diagnose Monday’s engine shutdown before the next orbital attempt.

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SpaceX just got the green light Starship has waited years for

The FAA has cleared Starship Flight 14, setting up SpaceX’s first orbital attempt on Monday.

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SpaceX has cleared the last regulatory hurdle standing between Starship and its first trip to orbit. The Federal Aviation Administration issued the launch license for Starship Flight 14 late Saturday, keeping the mission on track for liftoff Monday, September 28, from Pad 2 at Starbase, Texas.

The 75 minute launch window opens at 7:15 a.m. Central, and Boca Chica Beach closures are also scheduled for September 29 and 30 as backup dates. This will be Starship’s first revenue generating mission.

The license was the missing piece after SpaceX completed a full wet dress rehearsal with Booster 21 and Ship 41 on September 24. At the time, the company said the flight remained on track pending regulatory approval. Because Flight 14 flies an orbital profile, the FAA had to sign off on a modified license that met its safety, payload and financial responsibility requirements.

Observers combing through the new FAA paperwork also noticed that lightning no longer appears among Starship’s listed launch hazards. If that holds, it matters more for where Starship is headed than for Monday’s attempt. Florida and Louisiana, home to LC-39A and the planned Starbase Louisiana site, see some of the most frequent lightning in the United States.

SpaceX tells the FCC that Starship Flight 14 is going to orbit

Flight 14 is the mission SpaceX has been building toward for months. Ship 41 will carry 26 Starlink V3 satellites, the first operational V3 units to be deployed, and attempt roughly six orbits at about 275 kilometers over a flight lasting just under 10 hours. SpaceX says the ship will only perform its orbital insertion burn after flight controllers confirm enough hardware redundancy remains for the deorbit burn at the end of the mission. Ship 41 is targeting a splashdown in the Pacific west of Chile, while Super Heavy will return to the Gulf of Mexico.

The date carries some symbolism as well. A Monday launch would come 10 years and one day after Elon Musk first presented the Interplanetary Transport System, the design that became Starship, at the International Astronautical Congress in Guadalajara, Mexico.

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SpaceX has not announced what comes next, but air traffic planning slides reported this week, list Flight 15 no earlier than October 19 and a first Starship launch from LC-39A in Florida no earlier than October 30. Both dates depend on how Monday goes.

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