Investor's Corner
Bob Lutz Is Right about Tesla’s Home Battery Solution
Last week on CNBC, maximum Bob Lutz took aim at Tesla Motors and, specifically, the Powerwall product offering. Lutz says, “I think [the battery] is greatly overvalued because having batteries as backup storage has been around for hundreds of years. I can’t understand the fascination with this.”
Maximum Bob is right on the mark, the Powerwall is overvalued by the media. The two home products, 10kWh (the backup battery) and the 7kWh daily cycle, will make up a small portion of the revenue mix for Tesla.
Musk even said so at the annual shareholder meeting. In response to a question about the powerwall, Musk said,“Actually it’s probably worth also elaborating on the Powerpack which we expect most of our activities to be with the Powerpack, not the Powerwall.”
“So, it’s probably 80%, maybe more than that of our total energy sales likely to be at the Powerpack level to utilities and to large industrial customers.”
However, the only problem for maximum Bob is that he keeps on speaking without mentioning the powerpack potential or he doesn’t understand it. Or maybe it’s a narrative for CNBC to milk, since Bob is a CNBC contributor. I enjoy Uncle Bob, but he’s a one-trick pony, Automotive guy.
Industrial and utilities are the big catch here and there’s no waiting for an energy market in this space. It’s here and Musk and JB Straubel are really smart, but how smart?
Musk on how the powerpack can assimilate in the utility space:
So, you can take our Powerpacks and they are compact enough to fit in an existing substation. This is a very big deal because it means that they do not have to create an new substation or expand the existing substation because in most neighborhoods in order for them to do that they would have to buy someone’s house and level it and put a new substation and then the neighbors do not like that.
I guess that’s why Tesla didn’t go for the bulky, lead acid batteries solution that Lutz advocated on the “Squawk Box” segment. To be fair, maximum Bob was talking about a home battery solution.
So, the utilities will have a plug-n-play product that will be able to put power on the grid quickly at the local level, without having to build out any new infrastructure. I wonder if the utilities will say thanks?
Plus, there will be a healthy supply of customers in the industrial manufacturing space, too. I’ve been writing for Automation World magazine since 2008 and energy management has been a growing issue for manufacturers and those companies love plug-n-play solutions.
For example Cummins Inc., a manufacturer of truck engines, could be a candidate for the Powerpack. They just installed 7,200 solar panels and 2-megawatts of solar power at its Pennsylvania plant. Currently, Cummins sells it back to the utilities but a Powerpack solution could help them avoid large demand charges for heavy use in the afternoon, say during large production times.
Sure, Tesla Energy has to execute and utilities have to come on board. However, it’s getting there. Listen to a couple Energy Gang podcasts and you hear about utility infrastructure buildout costs, and utilities bemoaning that it will be selling less energy to retailers.
It looks like Elon has worked all this out for the utilities, first, the infrastructure and, secondly, the energy demand component. If Tesla produces 500,000 electric cars annually in, say, five or six years, then you have a big demand for energy and for the utilities. That’s a lot of juice.
Then, maybe maximum Bob will see the “fascination” with battery storage.
Elon Musk
SpaceX Starship just nailed something it’s never done before
SpaceX’s Starship flew successfully Friday, landing both stages and deploying its first Starlink V3 satellites.
Starship’s thirteenth test flight delivered exactly what SpaceX needed with a clean liftoff, two successful stage recoveries, and the first real payload the vehicle has ever carried to space. Booster 20 and Ship 40 lifted off at 5:51 p.m. CT from Starbase, and by the time the mission wrapped roughly an hour later, both halves of the rocket had done exactly what they were supposed to do.
Booster 20 separated from Ship 40 a few minutes into the flight and stuck a controlled splashdown in the Gulf of Mexico about six minutes after liftoff. That is a meaningful turnaround from Flight 12 in May, when the booster lost several engines during its boostback burn before a hard water landing attempt.
Starship as seen from Starlink satellites pic.twitter.com/e2hvfmnewh
— Elon Musk (@elonmusk) July 25, 2026
Starship 40’s performance was arguably the bigger win. The vehicle deployed the first 20 operational Starlink V3 satellites Starship has ever carried, then flew a suborbital arc to a landing in the Indian Ocean that SpaceX commentator Dan Huot called the company’s softest splashdown yet. “This is a dream scenario for this team that’s trying to get this heat shield data,” Huot said on the live broadcast, according to Space.com’s live coverage. “I’m a little over the moon right now. Wow. Lucky number 13.”
Unlike the mass simulators SpaceX flew on Flight 12, these were production Starlink V3 satellites, meant to extend solar arrays and antennas and attempt to link with the broader constellation before reentering minutes later. Getting real hardware through a full deploy sequence on only the second flight of the V3 generation keeps Starship on schedule for the payload work NASA is counting on for future Artemis lunar landings.
What an awesome launch, really seems like everything went super well and it was all incredibly smooth.
SpaceX is awesome. Very interested to see how the market will respond on Monday pic.twitter.com/KSHmyBfV55
— TESLARATI (@Teslarati) July 25, 2026
— TESLARATI (@Teslarati) July 25, 2026
The flight also arrives at a moment when SpaceX needed a win. SPCX has traded below its $135 IPO price since mid-July, as Teslarati reported when the mission slipped to Friday, and short interest has climbed to roughly a third of the tradable float. A clean flight will not fix a balance sheet, but it does answer the one question SpaceX absolutely needed answered this week: whether the fixes made after the July 16 abort would hold up under real flight conditions. They did, on both stages, on the first try after the redesign.
SpaceX has not set a target date for Flight 14, though the company has said it wants to push toward an orbital attempt on the next mission. After Friday, that goal looks a lot more within reach.
Tesla short sellers won big following the company’s massive fall on Wall Street after it reported subpar Earnings on Wednesday.
Tesla short sellers collected about $4.12 billion in single-day profits on Thursday, according to Bloomberg. Shares fell as much as 15 percent during Thursday’s session. It closed as one of the worst days for Tesla on Wall Street in the past three years.
Investors sold off the stock after Tesla said it would aggressively direct its spending toward AI and its Optimus robot project. The company had record revenues, which were driven by one of the strongest quarters in terms of vehicle deliveries in company history.
However, it missed EPS estimates by reporting just $0.33, a far cry from the $0.53 analysts expected.
S3 Partners reported that about 3 percent of Tesla’s outstanding stock is sold short. Managing Director at S3, Ihor Dusaniwsky, provided the short seller’s potential profit, as well as another figure: shorts have likely had paper gains of $8.92 billion this year, as Tesla shares are down 30 percent in 2026.
Tesla (TSLA) Q2 2026 earnings results: miss on EPS, beat on revenue
Tesla has burned short sellers many times in the past, but the company’s latest Earnings Call was a chance for those skeptics to taste some payback. Although the company gave some very transparent information regarding future projects, the rollout of Robotaxi, Optimus, and Semi, many investors took their profits on Thursday.
Notable short sellers like Michael Burry have been transparent about their skepticism around Tesla shares. Burry just revealed three weeks ago that he had opened up a new short on the stock, stating he shorted Tesla shares at $416.22. “Happy it jumped back to this level,” he said in a blog post.
At the time of publication, Tesla shares were down about 3 percent and the stock was trading at $309.92.
Tesla stock (NASDAQ: TSLA) endured one of its sharpest single-day declines in years on July 23, tumbling approximately 14.5 percent and closing near $320 after opening the session around $374. The drop erased more than $140 billion in market value amid heavy trading volume and left the shares at multi-week lows.
The sell-off followed the company’s second-quarter 2026 results, released the previous evening. Tesla reported record revenue of $28.2 billion, up 26 percent year over year, driven by a Q2-record 480,126 vehicle deliveries. Energy storage deployments also rose strongly.
Tesla (TSLA) Q2 2026 earnings results: miss on EPS, beat on revenue
Yet profitability disappointed sharply. Operating income fell 57 percent to $398 million, compressing the operating margin to just 1.4 percent. Non-GAAP earnings per share came in at $0.33, well below the roughly $0.53 analysts had expected. Free cash flow turned negative by $1.1 billion as capital expenditures surged 142 percent to $5.8 billion, largely tied to accelerated spending on artificial intelligence, robotics, and autonomous systems.
The losses on capex were expected, as Tesla said it would be spending heavily in 2026.
Investors also reacted to lingering uncertainty surrounding key product timelines. During the Earnings Call, management reiterated ambitions for Robotaxi deployment and the Optimus humanoid robot, but offered limited new concrete milestones, renewing questions about execution pace that have long accompanied Tesla’s ambitious roadmap.
The magnitude of the decline places it among Tesla’s more severe one-day percentage losses since its 2010 initial public offering. Historically, the two largest single-day drops (split-adjusted) remain September 8, 2020, when shares fell 21.1 percent amid broader market volatility and valuation concerns, and January 13, 2012, with a 19.3 percent plunge during the company’s early growth struggles.
Other notable declines include an 18.6 percent drop on March 16, 2020, at the onset of pandemic-related market turmoil. Thursday’s move ranks roughly ninth on the all-time list but stands out as the steepest in more than a year.
Despite the short-term pain, Tesla’s long-term trajectory has repeatedly recovered from such volatility. The latest results underscore both the strength of its core automotive and energy businesses and the near-term costs of heavy investment in next-generation technologies.
SpaceX Starship just nailed something it’s never done before
Tesla’s Supercharger Diner probably just secured more locations
