Tesla finally made the move it has been teasing for the better part of a decade. On September 24, the company formally inaugurated its dedicated Semi factory in Sparks, Nevada, and announced that customer deliveries of its electric big rigs begin this week. The news landed through two channels at once: a webcast from the plant floor and a thirteen-post thread from the Tesla Semi account on X, which Tesla billed as the start of "high volume production" and the formal Tesla Semi rollout. According to Reuters, which covered the rollout, executives at the plant told attendees the first customer trucks are already on their way, and Tesla added that it will use the trucks to move its own freight too.

The evening doubled as an invitation-only inauguration, complete with guided factory tours and Semi ride-alongs for confirmed guests, as the enthusiast site TeslaSemi.com reported in its rundown of the event. Tesla's one point eight million square foot factory is set up to build Standard, Long Range and European-spec variants of the truck on a single line, RuntimeWire reported, citing the company's posts. The headline figure was the plant's planned output: Tesla reiterated it intends to build fifty thousand Semis a year once fully ramped. Reuters stressed what the company did not say at the event: there were no disclosures of current production volumes or pricing, so that annual target is a ceiling, not a count of trucks rolling off the line today.

What the webcast actually showed

Musk himself did not attend. Instead, he appeared in a prerecorded video message with a line that sounded like a salesman closing a deal: "I'd recommend placing more orders if you haven't already, but the waiting list is already pretty significant." The star of the show, executives said, was the hardware. The long-range version of the truck, fully loaded, drives five hundred miles on a single charge. Tesla's Semi engineering director Dan Priestley told the audience that real-world customers have already validated that figure, according to Reuters. A standard-range variant covers three hundred twenty-five miles. On charging, Tesla claims its Megacharger can restore sixty percent of range in thirty minutes, and says chargers are now deployed along major freight routes, although the company has not published the size or coverage of that network, as RuntimeWire noted.

Tesla also made the case that the Semi has been re-engineered, not just relaunched. The company says it spent four years redesigning the truck, swapping its original 2170 battery cells for its in-house 4680 cells to cut battery mass and energy use, and borrowing a steel-caged rotor and bar-wound stator from the Cybertruck. It describes the Semi as its first heavy-duty truck with electric steering. It also claims Semi uptime for this year to date sits above ninety-eight percent. Those are company descriptions, not independent fleet results, and the fine print matters: Tesla has not defined which vehicles are counted in that uptime figure or how downtime was measured.

Why fleets might care this time

The timing is not accidental. Diesel prices in the United States have soared to record highs, which changes the math for long-haul operators weighing an electric truck, Reuters observed in its report. And Tesla arrived at the inauguration with demand already on the books: this week a coalition of major cargo-owning shippers including Microsoft and PepsiCo placed an order for two thousand five hundred Semis, according to the clean transportation nonprofit Catalyst Mobility. Reuters reported that order is nearly double the existing American fleet of electric Class 8 trucks. On stage, customers including PepsiCo, DHL and US Foods were invited up, with trucks bearing their logos parked outside the plant.

Context matters because this truck has been late before. Musk unveiled the Semi in 2017 with production slated for 2019. The first truck rolled off the new high-volume line in April, but Tesla's July shareholder letter quietly walked back an earlier forecast, saying Semi production would begin in 2026 rather than reaching volume production this year. The only deliveries until now were a limited run to customers including PepsiCo that began in late 2022. Delays, rising competition and a reversal of electric-vehicle policies in the United States have all raised questions about demand. The September 24 inauguration answers none of those questions by itself, but it does mark the first time the Semi has a dedicated factory, a real delivery date and a public order book to defend.

The footage from Sparks is worth watching even if you never drive a truck: it is the clearest look yet at whether Tesla can turn its most delayed vehicle into a real product. For more on Tesla's other big bets, see how the robotaxi rollout is changing how people get around, why electric vehicle adoption is surging this year, and what Tesla says its humanoid robots will sell for in 2027.