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Tesla Energy’s quick installs hint at ongoing residential solar and Powerwall ramp

A Tesla Solar and Powerwall 2 installation at Santa Rosa, CA. (Photo: Nick Wood)

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It appears that Tesla Energy’s highly-anticipated ramp is picking up some speed. With Model 3 production humming at levels that allow the company to begin distributing the all-electric sedans to international markets, the company seems to be intent in gaining back some momentum in the United States’ residential solar market, a segment that was, at one point, dominated by SolarCity. 

Tesla Model 3 owner Nick Wood and his family had been looking to add solar panels and a home battery system to their house in Santa Rosa, CA. The home had been affected by the 2017 wildfires, and PGE had advised residents in the area that there will be power interruptions during windy, dry conditions. With the family being all-in on electric vehicles — a Tesla Model 3 and two Chevy Bolts under a lease — the Woods needed a way to achieve power independence from the grid. 

The family filed applications for two projects: one for their main house with about 40 kW of solar panels and five Powerwall units, and another for a second house with 8.2 kW of solar and two Powerwalls. Both applications were filed around June 10. Following a site visit and once the loan terms and other financials of the project were approved, Tesla informed the family that the first Powerwall and solar panels were set to be installed on July 2. That was just over three weeks since the system was ordered. 

The Tesla installers arrived at around 9 a.m. on the day of the installation. The team worked simultaneously, with some working on trenches for the system’s power connections, others setting up the Powerwalls, and the rest installing the solar panels. Much to the Woods’ appreciation, the entire project was fully completed before the end of the day. The team even set up two electric car chargers at no extra cost. The Tesla team also gave the Woods their email addresses so that they could forward any pertinent information about the site to the installers of the main house’s upcoming 40 kW solar panels and five Powerwalls. 

In a message to Teslarati, Nick Wood mentioned that the installers had been finishing around one Tesla Energy project per day. The installers also stated that they have been particularly busy as of late, with an appointment with a residential solar and/or Powerwall customer being scheduled daily. Quite notably, Wood stated that his family now has to wait around 1-5 weeks for the county inspection so that they can activate the system. That’s potentially longer than the time it took for the solar panels and Powerwalls to be ordered and installed. 

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A Tesla Solar and Powerwall 2 installation at Santa Rosa, CA. (Photo: Nick Wood)

Granted, part of the reason behind the quick turnaround time of the Woods’ residential solar installation could be their location. Being in California, the family lives in a state that is heavily saturated by Tesla. Nevertheless, the efficiency exhibited by the installers, as well as the team’s mention of busy weeks filled with project after project, hints at a ramp in the company’s Energy initiatives. 

This bodes well for Tesla’s residential solar business, which has seen a decline since the company acquired SolarCity in 2016. Since SolarCity’s peak of commanding 32.6% of the US market in 2014, Tesla’s presence in the country’s residential solar segment as shrunk, hitting only 6.3% during Q1 2019. Nevertheless, hints of a potential ramp started emerging last year, when Tesla started dramatically reducing its customer acquisition costs by spending only $0.40 per watt to acquire customers. This is far lower than competitors such as Vivint, which has customer acquisition costs of $0.94 per watt, and Sunrun, whose costs run at $0.90 per watt. 

Tesla Energy is pretty much a sleeping giant for now. The business has so far been away from the spotlight, especially amidst the production ramp of the Model 3, but it has a lot of potential. Legendary investor Ron Baron, for one, has estimated that Tesla Energy on its own could be worth $500 billion. Elon Musk and the company’s executives, for their part, have noted that a ramp in Tesla Energy’s activities is underway, with the CEO stating during the unveiling of the Model Y that 2019 will be the “Year of the Solar Roof and Powerwall.”

Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Energy

Tesla launches Powerwall Lease for affordable home backup

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Credit: Tesla

Tesla Energy has introduced the Powerwall Lease in conjunction with Tesla Electric, making the service available in Texas. This new option delivers whole-home backup power using two Powerwall units for a net monthly cost of $35 after credits, accompanied by a low fixed electricity rate.

Under the lease terms, customers pay a one-time order fee of $100. The base lease payment for the two Powerwalls is approximately $122 per month during the first year, subject to a 3 percent annual escalator thereafter. Enrollment in a qualifying Tesla Electric Backup plan or Virtual Power Plant plan provides an $87 monthly credit.

This credit lowers the effective cost to roughly $35 per month plus applicable tax.

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Installation of the standard system carries no additional charge. The package features Storm Watch for outage protection and allows complete management through a single Tesla application. The system supplies continuous whole-home backup capability.

The Powerwall system enables households to maintain electricity during severe storms that disrupt the utility grid. When outages occur, the batteries automatically provide seamless backup power to the home.

Tesla announces 100k Powerwalls are participating in Virtual Power Plants

Tesla Storm Watch monitors weather forecasts and ensures the units are fully charged ahead of anticipated severe weather events so that power remains available throughout the disruption, keeping lights, refrigeration, and other essential systems operating without interruption.

Availability is restricted to select Texas locations where retail electric choice exists. Participants must lease exactly two Powerwall units and maintain continuous enrollment with Tesla Electric. Solar panels cannot be included under this particular lease arrangement.

The monthly credit activates automatically once the system is installed, receives permission to operate, and enrollment is confirmed. To retain the credit, customers are required to stay enrolled in Tesla Electric and fulfill all program conditions.

Nonstandard installations that involve electrical upgrades or special permitting may lead to extra expenses and might impact eligibility for the credit, so be sure to check with either your installer or Tesla to ensure you will still qualify.

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Inside Tesla’s secretive $10 Billion “Project Crystal Sun” filing

Tesla filed for a $10.1 billion Fort Bend solar factory, but the site isn’t confirmed.

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Tesla has filed paperwork in Texas for a second massive manufacturing project in the same week it locked down its chip fabrication site, this time for a $10.1 billion solar cell plant in Fort Bend County. The filing, submitted July 22 under the state’s Jobs, Energy, Technology and Innovation Act and first surfaced by Sawyer Merritt on X, lists an internal project name of “Project Crystal Sun” and targets a site off FM 762 and FM 1994 near Richmond, about 40 minutes outside Houston.

The application, prepared by Kroll Tax Services on Tesla’s behalf, spans five parcels totaling roughly 3,000 acres within the Lamar Consolidated Independent School District. Tesla wants a 10 year property tax limitation in exchange for the investment, split as $1.5 billion in real property and $8.6 billion in equipment and personal property. The company projects 9,712 permanent jobs once the plant reaches full operation, with 1,147 peak construction jobs during a build window running from this year through 2028 and commercial operations targeted for the first quarter of 2029.

Tesla is not fully committed to Fort Bend County yet. The filing states the company is weighing the site against an unnamed out of state alternative, and frames the tax abatement as what would make Texas competitive against that option. If the district and county decline the incentive, Tesla says it may build elsewhere.

Tesla Megapack Megafactory in Texas advances with major property sale

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The plant would handle the full solar cell production chain in one facility, according to the filing, covering wafer and ingot manufacturing, coating, metallization and printing lines, cell testing, automated material handling and cleanroom infrastructure. That scope points to Tesla vertically integrating a part of its supply chain it currently sources largely from overseas partners, mirroring the approach behind its expanding Megapack production in Brookshire, Texas, where Tesla has already built out two buildings for its grid battery business.

The timing lines up closely with Tesla and SpaceX’s other big Texas commitment this month. SpaceX confirmed its Terafab chip factory would land in Grimes County days before this filing surfaced, with construction on that $16.8 billion project starting almost immediately after local officials met with residents. Terafab is meant to produce the AI chips running Tesla’s Optimus robots and Full Self-Driving software, while a solar cell plant would feed a different part of the business, the panels and storage systems Tesla sells to homeowners, businesses and utilities, and increasingly needs to power its own data centers.

Musk has talked about building domestic solar manufacturing capacity before, tying it to the amount of power Tesla’s AI ambitions will require.

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Tesla just trademarked MEGAPOD: here’s what it is

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tesla showroom
(Credit: Tesla)

Tesla just trademarked ‘MEGAPOD’ with the United States Patent and Trademark Office (USPTO), its latest move in what seems to be a hint that the company is incredibly focused on its AI efforts and storage needs as compute increases.

The application carries serial number 99893717 and lists the applicant as Tesla, Inc., located at 1 Tesla Road, Austin, Texas 78725.

The filing remains in ‘live pending’ status, and it is a new application waiting for assignment to an examining attorney. It has not yet been published or registered.

According to the official goods and services description in the application, Tesla describes ‘MEGAPOD’ as:

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“Modular data center hardware systems for artificial intelligence computing, comprised of computer servers, computer hardware for artificial intelligence processing, computer networking hardware, electrical power distribution units, and cooling systems, sold as a unit; self-contained modular computing hardware systems for artificial intelligence workloads; integrated computer hardware platforms for artificial intelligence computing, namely, enclosures containing computer hardware, power distribution hardware, and cooling hardware, sold as a unit; downloadable software for monitoring, managing, optimizing, and regulating modular artificial intelligence computing hardware systems.”

This description specifies complete, self-contained modular units that integrate servers and specialized AI processing hardware with networking components, power distribution, and cooling systems. It also includes associated downloadable software for oversight and optimization of these systems. The language emphasizes hardware sold “as a unit” and enclosures that combine the necessary elements for AI computing workloads.

Tesla has an established history of developing and commercializing modular hardware systems. Its Megapack product line, for example, consists of utility-scale battery energy storage systems designed as containerized units for grid applications. The MEGAPOD filing follows a similar pattern of protecting a name for modular, integrated hardware platforms, this time focused on artificial intelligence computing infrastructure.

This could be an early move, especially as Tesla did not have trademark rights to the word ‘Cybercab,’ the name of its self-driving, ride-hailing-focused vehicle.

Trademark applications of this type allow companies to secure priority rights to a name for defined categories of goods and services. The USPTO examines applications for compliance with legal requirements, including distinctiveness and absence of conflicts with prior marks. If the application proceeds successfully through examination, publication, and any opposition period, it could result in a federal trademark registration providing nationwide protection. This is what Tesla’s obvious intention is with ‘MEGAPOD.’

Public reports and analysis suggest MEGAPOD could represent modular, container-style AI computing pods designed for easy deployment. These would bundle servers, AI accelerators, power systems, and cooling into self-contained units suitable for distributed AI workloads. This approach aligns with Tesla’s announced AI compute strategy.

In March 2026, Elon Musk outlined plans for “Digital Optimus” (also referred to as Macrohard), a joint Tesla-xAI project for AI agents capable of handling complex digital tasks. The plans include running these agents on Tesla’s AI4 hardware in parked vehicles as well as dedicated compute units installed at Supercharger stations, which collectively offer substantial unused electrical capacity.

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What is Digital Optimus? The new Tesla and xAI project explained

A modular hardware platform like the one described in the ‘MEGAPOD’ filing would support scalable, rapid deployment of such distributed compute resources. It could complement Tesla’s other AI infrastructure efforts, including the Dojo supercomputer used for training models and the development of AI systems for autonomous driving and robotics, by enabling edge or regional AI inference without reliance on traditional centralized data centers.

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