Tesla Now Charges By Partial kWh at Superchargers

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As of approximately early August 2024, Tesla has now begun to charge for Supercharging by the partial kWh, rather than by rounding down to the nearest kWh. So far, this change appears to be applicable throughout North America and Europe.

We speculated that Tesla may start doing this when the Tesla app was updated to v4.34.1. Previously, Tesla only displayed whole numbers for kWh charged. With this app update, Tesla started showing four decimal places, however, until recently the decimals were always zero.

As of now Tesla now rounds charging to four decimal places (the ten-thousandth place) for the energy provided.

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Partial Charges

This means that your Supercharging bills will be more accurate and possibly more expensive, but also nets Tesla a few additional cents on the transaction.

For example, if you previously Supercharged 30.3245 kWh in July at $0.50 per kWh, you’d have been billed exactly $15 since the energy used would have been rounded to 30 kWh. However, with these changes, you would now be billed for the exact kWh used, so your bill would be $15.16 (rounded down to the nearest cent).

This isn’t a hugely impactful change for most of us who use Superchargers occasionally, but for Tesla as a whole, these partial charges likely add up to thousands of dollars of revenue every day.

Superchargers are expensive to plan, permit, produce, install, and commission, so each additional cent helps justify Tesla’s expansion of its Supercharging network. In fact, Tesla just bought a parking lot in NYC to presumably build a new Supercharger for $18 million. Additionally, this change helps Tesla to be more accurate in accounting for electricity delivered to vehicles.

Supercharger Expansion

Even after the big shakeup of the Supercharger team, Tesla has committed itself to expanding its network in North America, with new locations still being planned and prepared, and some new ones being commissioned between then and today.

Tesla has set out to expand and continue its Supercharger program, so we can get behind the Supercharger team eking out the last few drops of revenue to keep the expansion going. Hopefully, some of the new locations are in relatively remote locations to help close of the charging gaps.

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Tesla Announces 2025 Q1 Numbers: Lower Than Expected, but the Worst May Be Over

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Tesla released its Q1 2025 delivery and production numbers this morning, reporting 336,681 vehicles delivered and 362,615 produced—marking the company’s weakest quarter since 2022. Deliveries declined 13% year-over-year and fell well short of Wall Street estimates, which ranged from 360,000 to 370,000. Some analysts had forecast as many as 407,000 units.

Despite the shortfall, Tesla stock is actually up about 4% this morning, not only suggesting the market had already priced in weaker performance, but that this may be seen as the low point for the company. Tesla began delivering its refreshed Model Y in March, and production across all four Gigafactories was impacted by several weeks of downtime as Tesla retooled lines to accommodate the newer model. However, there’s no doubt that there is some brand impact from Elon Musk.

Comparing Numbers

Most of the deliveries—323,800 units—came from the Model 3 and Model Y lineup, while the “Other Models” category (including the Cybertruck, Model S, and Model X) accounted for 12,881 deliveries. That’s a 31% drop for Model 3/Y and a sharper 45% drop for the Other Models category compared to the previous quarter. However, comparing it to a more applicable Q1 2024, these numbers are only down about 13% for the Model 3/Y and down about 24% for the Model S/X and Cybertruck.

In terms of production, Tesla built 345,454 Model 3/Y vehicles and 17,161 from its “Other Models” line. The company attributed the production drop to the Model Y changeover but said the ramp is “going well.” This still leaves a large gap between production and delivery numbers, although they may not be as large as many had feared.

Cybertruck

One major weak point in Tesla’s numbers seems to be Cybertruck deliveries. While Tesla previously expected the Cybertruck to sell more than 250k units per year, we’re already seeing a decline in numbers. This is likely due to several factors, including the higher-than-expected price point of the truck, the unavailability of the RWD model, and the Cybertruck’s polarizing design, which may attract unwanted attention right now.

While the Cybertruck was ramping up production in 2024, making the lower numbers reasonable, the deliveries for Q1 2025 dropped drastically compared to the previous quarter. Cybertruck deliveries are estimated to be in the 5- 6k unit range for the quarter.

The good news to take away here is that the Single Motor variant of the Cybertruck appears to be nearing release. The price of the RWD version is expected to be about $60k USD before any incentives.

Q1 Earnings Call

Tesla announced their quarterly numbers this morning and posted on social media that they’ll live stream their Earnings Call on April 22nd.

This post was later edited to change “Q1 Earnings Call” to “Q1 Company Update.” It’s not clear whether there’s any significance in this change, but it could mean that Tesla has more to announce during the call.

The Company Update will occur on April 22nd at 2:30 PM PT / 5:30 PM ET. The standard Q&A session with executives and Musk is expected to follow the release of additional financial results for the quarter.

Tesla is set to launch its long-awaited Robotaxi service in June, and a cheaper, mass-market model is also planned for this year. With delivery numbers coming in soft and the refreshed Model Y just hitting the road, all eyes will be on forward-looking commentary during the update.

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Musk Confirms Robotaxi on Track for June, More Cities Coming, Customer-owned Cars in 2026

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Tesla signaled its intention to launch its first Robotaxi network in Austin, Texas, with company-owned and operated vehicles, back in January. This network will be Tesla’s first foray into truly autonomous vehicles - ones that aren’t being directly supervised by a driver. Later in February, Tesla’s executive team confirmed that the plans were on track for the launch of the Austin network both on X and during several interviews that they participated in.

At the end of February, we also found out that Tesla has applied for a Supervised Robotaxi license in California, where the network will also launch, but with safety drivers in place.

This is an ambitious plan, but FSD has really come a long way in the past year. FSD V12 was a massive step forward from V11, and V13 has made the experience smoother and safer than ever before. FSD V14 is expected to be another big step up with auto-regressive transformers and audio input.

Still on Track

Now, Elon has tripled down on the fact that Tesla will be launching their first autonomous robotaxi network in Austin - just two months away at this point. It seems that Tesla is fully set to launch their first fully unsupervised self-driving vehicles that will carry paying passengers in June.

Additional Cities

The best part is that Elon also confirmed that they’re targeting robotaxi networks launching in many cities within the United States by the end of this year. However, remember that this will be a Tesla-run network at first - Tesla owners won’t be able to add their vehicles to the Robotaxi fleet right away.

Adding Customer Vehicles

It will take some time before Tesla meets their strict internal safety requirements before it lets customers add their own vehicles to the network. Tesla’s executive team mentioned that they intend to let owners add their own vehicles to the fleet sometime in 2026. This happens to be the same time frame that Tesla plans to launch the Robotaxi across the United States, Mexico, and Canada — something that could only be done with customer-owned cars.

That final step will be bold—and it may come with complications, especially given that autonomous vehicle approval spans municipal, state or provincial, and even federal levels. There are plenty of regulatory hurdles ahead, but this is undoubtedly shaping up to be one of the most exciting times for Tesla.

Launch Event

With the Robotaxi network launching and Unsupervised FSD just around the corner, there’s a lot to get excited about. Tesla is expected to host a launch event at Gigafactory Texas in Austin to mark the debut of its first Robotaxi network. The company previously hinted that referral code users could receive invites—offering a rare chance to score an early ride in a Robotaxi outside the Hollywood studio lot.

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