Tesla has released a new comparison report claiming Powerwall with solar is cheaper than a traditional backup generator.
For years now, Tesla has enjoyed a giant backlog of Powerwall orders, but now that production has ramped up, the automaker has worked through most of that backlog, and it has to start generating more demand for the home energy storage product.
The company claims that when combining a Powerwall with solar, the backup system is cheaper than a traditional generator:
When paired with solar, Powerwall works daily to reduce your monthly electricity bill. Over ten years, these savings can make Powerwall and solar more cost effective than a generator.
Tesla says that you can save about $20 per month on payments when accounting for electricity bill savings and that overall, the system can cost up to 20% less over 10 years:
Tesla also lists a bunch of other advantages of Powerwalls over backup generators:
Differences Between Powerwall and Backup Generator
Powerwall
Backup Generator
Experience
Automatic, < 1 second transition to back up, without interruption
15-30 second delay, before automatic or manual backup
Energy Source
Stored electricity from solar panels or the grid
Natural gas, liquid propane or diesel
Noise
Quiet (< 40 dBA at 1 meter)
Louder (77 dBA at 1 meter)
Installation
Indoors or outdoors, wall-mounted or floor-mounted
Outside, generally on concrete pad, due to odor and exhaust
Maintenance
Minimal
Refuel, servicing and oil changes
Financial Value
Reduces your electricity bill by storing solar or energy from the grid when prices are low
Produces toxic fumes that may expose customers to hazards like carbon monoxide poisoning
Electrek’s Take
It’s important to note here that a Powerwall is cheaper than a generator after accounting for the savings that come with solar and the cost of fueling the generator.
When you look at the direct cost of both, a generator is cheaper. A single Tesla Powerwall starts at $8,400 and a 10 kW costs about $2,000 – both before installation.
Then, when you add solar, it adds to the price, but you start having significant savings on your electricity bill on top of having backup power.
I have two Powerwalls, and I absolutely love them. It’s a great product, but I understand it’s not a cheap product accessible to anyone. A generator can be cheaper.
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Founded in 1689, Husqvarna was a musket maker for the king of Sweden – but now, the company best known for quirky motorcycles and commercial riding mowers is becoming an innovator in the field of robotics, and its latest fleet of electric autonomous mowers are eager to get grazing.
Husqvarna’s autonomous lawnmowers made history earlier this year at the AIG Women’s Open, when they became the first autonomous groundskeeping solution to see duty during a UK Major golf week.
“At the AIG Women’s Open, the Husqvarna portfolio is helping us deliver this goal through improved resource management, regular lightweight mowing and reduced carbon usage,” explains Royal Porthcawl’s Course Manager, Ian Kinley, who has championed the use of robotic technology at the course. “With the AIG Women’s Open set to be the largest-ever women’s sporting event in Wales, we know there’s tremendous pressure to produce playing surfaces that are worthy of such a high-profile event.”
Events like the AIG Women’s Open are proving that the little robot Huskies can get the job done quietly, sustainably, and with significantly less operator input. As such, you’d think everyone at Husqvarna would be excited about them.
You’d be wrong. The company’s franchise dealers have been hesitant to push them forward, effectively putting the parent company in the position of going B2C, or going home.
“Dealers live and breathe the previous technology,” said Yvette Henshall-Bell, Husqvarna’s President of its Forest and Garden division for Europe, in that same Forbes piece. “They want to protect that servicing, that aftermarket revenue. Whereas if they really thought about what the customer’s problems are and the job to be done, they would be looking at a completely different solution.”
A solution, frankly, that looks a lot like a little robot mower.
The bigger CEORA can handle up to 18 acres of ground twice each week, while the Automower, with its 80V battery and pinpoint precision EPOS (Exact Positioning Operating System) software, can handle another 2.5 acres. Both are fully electric, and can guide themselves back to their pens to recharge as needed.
Prices aren’t public, but the Husqvarna CEORA and Automowers are available as part of a custom lease package through Husqvarna Finance that will include access to the company’s customizable back end and ongoing support. Check with your local dealer for more.
Electrek’s Take
As a typically pro-union, pro-labor type of guy, I am hesitant to heap praise upon a robot taking away anyone’s job. That said, it does seem to be difficult for landscapers and construction crews to keep and find good labor at rates they can afford (and, let’s face it – the current Trump Administration isn’t going to be making that any easier). As such, if companies like Husqvarna and John Deere and Einride and others can build a demonstrably better mousetrap at a compelling price point … good for them. (?)
Let us know what you think in the comments.
SOURCES: Forbes, Golf Monthly; images by Husqvarna.
Did you know: grid-connected solar systems automatically shut off when the grid fails? That means you won’t have power in a blackout, even with solar panels.
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In the Electrek Podcast, we discuss the most popular news in the world of sustainable transport and energy. In this week’s episode, we discuss Apple CarPlay possibly coming to Tesla cars, VW getting access to Superchargers, a Toyota electric pickup, and more.
As a reminder, we’ll have an accompanying post, like this one, on the site with an embedded link to the live stream. Head to the YouTube channel to get your questions and comments in.
After the show ends at around 5 p.m. ET, the video will be archived on YouTube and the audio on all your favorite podcast apps:
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Here are a few of the articles that we will discuss during the podcast:
Here’s the live stream for today’s episode starting at 4:00 p.m. ET (or the video after 5 p.m. ET:
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2025 Hyundai IONIQ 5 at a Tesla Supercharger (Source: Hyundai)
US EV sales declined in October following the expiration of the $7,500 federal tax credit on September 30, and the average transaction price (ATP) edged up, according to initial estimates from Kelley Blue Book, a Cox Automotive brand. However, there are still deals to be had.
Kelley Blue Book’s initial estimates show that US EV sales fell to 74,835 in October, down 48.9% from September, which was a record month, and 30.3% year-over-year.
Prices also ticked up. The average transaction price (ATP) for a new EV climbed 1.6% month-over-month to $59,125, which is 2.3% higher than a year ago.
Tesla didn’t escape the downturn, but it held up better than the overall EV market. The company’s ATP fell 1.1% from September to $53,526, and its prices are 5.5% lower than they were in October 2024. Sales of the Model 3 and Model Y both declined month-over-month, and overall Tesla sales decreased by 35.3% from September and 23.6% year-over-year, which are smaller declines compared to the broader EV segment.
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Cox Automotive senior analyst Stephanie Valdez Streaty said the shift wasn’t surprising:
We expected this shift in the electric vehicle market. With the IRA-backed sales incentives gone, lower-cost EV volume was hit hard, pushing the mix toward more luxury and driving October’s EV ATP to a 2025 high of $59,125 – now $9,359 above the industry average. Affordability has always been the core challenge with EV sales, and this reset only underscores how critical it is to bring more attainable EV options to market.
Electrek’s Take
September was a record-breaking month for both EV deals and sales. Dealers were offering all sorts of sweet incentives to stack with the federal tax credit to move cars off the lot. October’s sales drop was entirely anticipated, like a pounding headache after a big blowout party.
We didn’t know what the post-federal tax credit EV market would look like. As Valdez Streaty rightly states, EVs do have a higher ATP than the industry average. But it turns out that, so far, it’s not all doom and gloom, and the federal tax credit isn’t the only incentive in town.
Every month, I compile great EV lease deals, and for the last few months, some EVs’ monthly lease payments have been cheaper than before the federal tax credit expired. Many states are still offering rebates on EV purchases, and dealers still have really good deals. While cheaper models would definitely be welcome, there are good deals available right now.
And let’s not forget the fact that EVs are much cheaper to drive than gas cars, with or without that tax credit.
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