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It has been a big few weeks for smart electrical panel-maker Span. The company announced major deals with Pulte Homes and utilities with Landis + Gyr. The startup also expanded its lineup to include small home and apartment-sized panels and even subpanels

But firstly, why do we even need $3500 smart electric panels?

We last caught up to Span last year when they announced a smart EV charger and funding.

Founded by the former head of Powerwall development and Tesla Energy Arch Rao, Span has been creating smart circuit breaker boxes for homes for a few years.

Rao left Tesla in 2018 at a tumultuous time when Tesla was diverting Gigafactory Nevada batteries from home storage into its new Model 3 and was also fumbling its solar roof efforts while managing its controversial Solar City acquisition.

Span smart circuit boxes were launched in 2020 at a price of $7000 and require specialized electrician installations in low numbers.

Since then, the price has halved to $3500 (or $2900 after the IRA tax credit), and the number of Span installers has expanded, leading to much lower costs and, with this week’s announcements, much-expanded capabilities.

Why Span smart circuit breaker boxes?

As people dump petroleum-based vehicles and home heating and move to EVs and heat pumps, the electrical service lines that homes use are getting taxed. Even 240V/200A service, which a few years ago was very high end, can almost entirely be used up by a few EVs and a whole-house heat pump system. An 80A EV charger will take close to half of 200A service.

With dumb panels, electricians are limited to those 200A, or they’re forced to bring in more power from the street, which can cost thousands or even tens of thousands of dollars along with a lot of time and effort.

Enter the smart panel. Span panels can monitor home power usage and turn off high-power-use items like car chargers, pool pumps, and water heaters when the capacity starts to fill up. Users can set priorities, and there are 32 different smart breakers to wire up many household items.

Solar and Batteries

It isn’t just EVs and heat pumps that are going into new homes. More and more people are looking to solar and battery storage to help mitigate energy costs and outages. These each require a huge breaker and, on dumb panels, eat into those allotted 200A.

Span helps manage these pieces of technology as well. Span can set the home to be run off solar and save energy-intensive operations like charging EVs and Powerwalls for low-energy-cost timeframes.

Obviously, with Rao’s history with Tesla, Powerwalls, Tesla inverters, solar panels, and gateways are fully supported. But other major batteries, such as Franklin WH, Enphase IQ Battery, and LG Chem RESU2 SolarEdge Energy Bank, are also supported.

Span Announcements

Span announced this week that smaller 24-circuit and 16-circuit model boxes are available for smaller homes, apartments, and commercial usage. These can also be utilized as smart subpanels, and there’s even a panel with a built-in meter that is being tested and readied by utilities (details forthcoming).

Span expands

There’s also a bigger 48-breaker panel coming for new homes. Prices aren’t set yet, and obviously, installers will get discounted prices in bulk.

More announcements are expected in the next few months, which should be exciting for Span.

Electrek’s take:

As I’ve added solar, batteries, EVs, and heat pumps, not just for HVAC but also for water heating and clothes washing, I’m feeling the strain on my 200A service. Our electrician initially recommended running another 200A line that would cost over $10,000. Another option was only having 1 EV charger (which we split with a Neocharge)

Installing a Span will run a fraction of the cost, allow us to add EV chargers and, as a bonus, will allow me to better monitor and control the loads going into and out of my home. That will also save money in the short term and we’ll likely be able to move to better rate plans in the longer term.

I’m fairly confident that I won’t need to do much in the way of mitigation because our house, when not heating and car charging, uses less than 2kW of electricity out of the 50kW coming in. We’ve also removed 240V dryers and replaced them with 120V heat pump modelss and are moving from a 240V water heater to a 120V heat pump water heater.

I’ll have a review of the Span after my upgrade is done in a few months.

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Homeowners share surprising, real-world data after installing solar panels

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Homeowners share surprising, real-world data after installing solar panels

Are you wondering what kind of results you’d get if you added a home solar system to your roof? Homeowners are sharing their results online — and the real-world data might surprise you!

In a recent post to r/Solar, a Reddit user going by DontBuyBitcoin shared a screenshot indicating that their newly-installed ~11.5 kW system produced over 1,700 kWh of electricity in October. “Pretty surprised by the production of the system I got,” writes DontBuyBitcoin. “11.48KW. I cant wait to see what JUNE-AUGUST [2026] going to look like 😍 I wish SolarEdge will make their app better looking with more functionality”

Home solar energy chart


1.7 MWh month; via DontBuyBitcoin.

Other Redditors were quick to share in the enthusiasm. “Congratulations!!! Great numbers,” wrote LegalNet4337. “We got 1.6 MWh with a 14.45 kW system. East and West facing panels in SoCal.”

That 1,700 kWh is nothing to sneeze at. Based on the current national average electricity price of about $0.17/kWh (in AUG2025), DontBuyBitcoin’s admittedly large-ish system translates to ~$290 of potential savings. In a higher rate state like Illinois, with a projected 2026 kWh rate that’s closer to $0.18/kWh, that’s ~$306/mo.

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We expect retail electricity prices to residential customers will average 17 cents per kilowatthour (kWh) nationwide in 2025, a 4% increase over 2024, and then rise to approximately 18 cents/kWh in 2026. This rise continues a trend in which residential electricity prices have increased at an average annual rate of 5% each year since the COVID-19 pandemic. The increase in retail electricity prices this year comes as the cost of natural gas to the electric power sector was up more than 40% in 1H25 compared with a year earlier, with similar year-over-year increases forecast for the remainder of 2025. The average cost of natural gas for power generation in our forecast increases another 17% in 2026.

US ENERGY INFORMATION ADMINISTRATION (EIA)

Those are big numbers, but 11-15 kW rooftop solar systems are big. Significantly bigger, in fact, than the US average, ~6.6 kW in 2024 – but you don’t have to have a big system in order to post big numbers. Superior weather conditions and perfect PV panel placement can also get the job done, as another Redditor found.

“The last 2 days we have had perfect weather here in South Florida and I have been able to get over 30 kWh from a 5 kW system with a 3.8 kW inverter. This is the highest I have seen since getting PTO in September,” wrote Redditor dlewis23, who shared another SolarEdge graph. “I am super happy with seeing over 30 kWh in a single day.”

30 kW/day from home solar


Taken altogether, these real-world snapshots prove that whether it’s a modest 5 kW array or a beefy 10+ kW setup, homeowners out in the real world are seeing meaningful, measurable differences from their home solar installations. And, with retail electricity prices projected to keep on rising through the decade, every kilowatt counts.

Electrek’s Take


From Electrek SEP2025 survey.

When we ran our “Why did you choose to go solar?” survey back in September, only 32.6% of respondents chose, “Lowering my monthly utility bills” as their primary motivation to go solar. That result proved, in my mind, that Electrek readers are just better people than most, and seem to be willing to spend a little more to do something positive for their environment and their community.

That said, wasn’t it no less a thinker than Albert Einstein who said, “Compound interest is the most powerful force in the universe” (Google it.)? And, with a 5% rate hike compounding every year from now until the AI and data center bubbles burst, the impact energy rates may have on all our pocketbooks may be enough to put “Lowering my monthly utility bills” back on top.

If and when that happens: be smart, get several quotes, and understand the difference between buying and leasing your PV system (especially if you plan on selling your home in the foreseeable future).

SOURCES: Reddit, EIA; featured image via Tesla.


If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them. 

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

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Volvo set to ditch LiDAR for 2026 – and Luminar is BIG mad

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Volvo set to ditch LiDAR for 2026 – and Luminar is BIG mad

It seems like the writing was already on the wall last week when Volvo moved to make its Luminar-supplied LiDAR system an option – there are now reports that the Swedish car brand is set to ditch LiDAR tech entirely in 2026.

In a recent SEC filing following a missed interest payment on its 2L notes, Luminar confirmed that Volvo’s new ES90 and EX90 flagship models (along with the new Polestar 3) would no longer be offered with LiDAR from Luminar. The move signals a full reversal on the safety tech that had started as standard equipment, then became an option, and is now (according to reports from CarScoops) gone altogether.

In a statement, a Volvo Cars USA spokesperson added the decision was reportedly made, “to limit the company’s supply chain risk exposure, and it is a direct result of Luminar’s failure to meet its contractual obligations to Volvo Cars.”

This is what Luminar had to say about the current, icy state of the two companies’ relationship as of the 31OCT filing:

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The Company’s largest customer, Volvo Cars (“Volvo”), has informed us that, beginning in April 2026, Volvo will no longer make our Iris LiDAR standard on its EX90 and ES90 vehicles (although Iris will remain an option). Volvo also informed the Company that it has deferred the decision as to whether to include LiDAR, including Halo (Luminar’s next generation LiDAR under development), in its next generation of vehicles from 2027 to 2029 at the earliest. As a result of these actions, the Company has made a claim against Volvo for significant damages and has suspended further commitments of Iris LiDAR products for Volvo pending resolution of the dispute. The Company is in discussions with Volvo concerning the dispute; however, there can be no assurance that the dispute will be resolved favorably or at all. Furthermore, there can be no guarantee that any claim or litigation against Volvo will be successful or that the Company will be able to recover damages from Volvo.

As a result of the foregoing, the Company is suspending its guidance for the fiscal year ending December 31, 2025.

LUMINAR

On November 14, Luminar confirmed that Volvo had terminated its contract altogether, in a blow that could leave Luminar rethinking its long-term future and planning litigation against its biggest ex-customer.

The news follows a host of significant upgrades to the EX90 that include a new, more dependable electronic control module (ECM) and 800V system architecture for faster charging and upgraded ADAS that improves the automatic emergency steering functions and Park Pilot assistant.

Electrek’s Take


You can’t spend years telling everyone you’re miles ahead because you have LiDAR, then ditch LiDAR, and pretend no one is going to call you out on it. They had better hope they don’t up on Mark Rober’s YouTube channel doing a Wile E. Coyote impression (above).

That said, it’ll be interesting to see if ditching the LiDAR has a negative impact there. Or, frankly, whether ditching the LiDAR and its heavy compute loads will actually help mitigate some of the EX90’s niggling software issues. It could go either way, really – and I’m not quite sure which it will be. Let us know which way you think it’ll go in the comments.

SOURCE: Luminar, via SEC filing; featured image by Volvo.


If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them. 

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

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John Deere electric riding mower gets removable batteries from EGO

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John Deere electric riding mower gets removable batteries from EGO

The new John Deere Z370RS Electric ZTrak zero turn electric riding mower promises all the power and performance Deere’s customers have come to expect from its quiet, maintenance-free electric offerings – but with an all new twist: removable batteries.

The latest residential ZT electric mower from John Deere features a 42″ AccelDeep mower deck for broad, capable cuts through up to 1.25 acres of lawn per charge, which is about what you’d expect from the current generation of battery-powered Deeres – but this is where the new Z370RS Electric ZTrak comes into its own.

Flip the lid behind the comfortably padded yellow seat and you’ll be greeted by six (6!) 56V ARC Lithium batteries from electric outdoor brand EGO. Those removable batteries can be swapped out of the Z370RS for fresh ones in seconds, getting you back to work in less time than it takes to gravity pour a tank of gas.

And, because they’re EGO batteries, they can be used in any 56V-powered EGO-brand tools and minibikes for unprecedented cross-brand interoperability. Tools and minibikes that, it should be noted, can be purchased at John Deere dealers across the country.

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The upsell scripts write themselves, kids. And when you start your dialing, tell your prospective customers their new Z370RS Electric ZTrak electric mower lists for $6,499, and if you order now we can bundle it with EGO minibike for the kiddos – just in time for the holidays!

Electrek’s Take


When John Deere launched the first Z370R, Peter Johnson wrote that electrifying lawn equipment needs to be a priority, citing EPA data that showed gas-powered lawnmowers making up five percent of the total air pollution in the US (despite covering far less than 5% of the total miles driven on that gas). “Moreover,” he writes, “it takes about 800 million gallons of gasoline each year (with an additional 17 million gallons spilled) to fuel this equipment.”

It should go without saying, then, that states like California, which are banning small off-road combustion engines, have the right idea.

SOURCE | IMAGES: John Deere.


If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them. 

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

FTC: We use income earning auto affiliate links. More.

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