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Tesla releases specs for its new Powerwall+ energy storage system

(Credit: Tesla)

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Tesla is releasing the specifications for its new Powerwall+ energy storage system, according to a new product information sheet that a potential customer posted.

Tesla’s Powerwall is the energy storage system that the company utilizes for Solar customers. The Powerwall stores excess energy that is captured by solar panels or from the grid and keeps it reserved for power outages, nighttime hours, or peak rate times to save money. The Powerwall was first introduced by Tesla in 2015, with its Powerwall 2 sibling being announced in October 2016. Now, Tesla is revising the Powerwall once again, according to CEO Elon Musk, who detailed the improvements Tesla plans to make to the energy storage device in the coming months.

Musk said on April 21st that Tesla’s residential energy products will be sold as a bundle and will exclusively work with one another. This means that Tesla Powerwalls will not work with other manufacturer’s solar panels. Additionally, Tesla will not sell any of its Solar products without a Powerwall, Musk said during the Q1 2021 Earnings Call. Musk indicated the reasoning had to do with easing the installation difficulty, which he says will decrease “dramatically.”

Now that a new Powerwall is coming out, Tesla is sending potential customers the new system’s specifications. First posted by r/tangarg, the new Powerwall specs show more power, increasing the maximum output to 9.6kW from the previously-used continuous 5kW and 7kW peak outputs. The spec sheet is available below (via Electrek):

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Credit: u/tangarg | Reddit

Tesla writes about the new Powerwall+:

“Powerwall+ is an integrated solar battery system to store energy from solar production. Its integrated design and streamlined installation allow for a simple connection to any home, and improved surge power capability brings whole home backup in a smaller package. System smart controls enable owners to customize system behavior to suit their renewable energy needs.”

Tesla has worked diligently to expand the capabilities of the Powerwall and the home energy system in general. Previous installations of the Powerwall included the Powerwall only, but now Tesla is showing the device with the recently-released Tesla Inverter as well.

Tesla’s previous installation design for the Powerwall. It is linked to the grid but did not come with its own Inverter.

Musk made it clear during the Q1 2021 Earnings Call that Tesla Powerwalls and Solar would effectively operate “as a giant distributed utility.” Not only does this eliminate the complexity of the installation process, but the new system and design allow for stabilization of the grid overall.

Joey has been a journalist covering electric mobility at TESLARATI since August 2019. In his spare time, Joey is playing golf, watching MMA, or cheering on any of his favorite sports teams, including the Baltimore Ravens and Orioles, Miami Heat, Washington Capitals, and Penn State Nittany Lions. You can get in touch with joey at joey@teslarati.com. He is also on X @KlenderJoey. If you're looking for great Tesla accessories, check out shop.teslarati.com

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Tesla Powerwall distribution expands in Australia

Inventory is expected to arrive in late February and official sales are expected to start mid-March 2026.

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Credit: Tesla

Supply Partners Group has secured a distribution agreement for the Tesla Powerwall in Australia, with inventory expected to arrive in late February and official sales beginning in mid-March 2026.

Under the new agreement, Supply Partners will distribute Tesla Powerwall units and related accessories across its national footprint, as noted in an ecogeneration report. The company said the addition strengthens its position as a distributor focused on premium, established brands.

“We are proud to officially welcome Tesla Powerwall into the Supply Partners portfolio,” Lliam Ricketts, Co-Founder and Director of Innovation at Supply Partners Group, stated.

“Tesla sets a high bar, and we’ve worked hard to earn the opportunity to represent a brand that customers actively ask for. This partnership reflects the strength of our logistics, technical services and customer experience, and it’s a win for installers who want premium options they can trust.”

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Supply Partners noted that initial Tesla Powerwall stock will be warehoused locally before full commercial rollout in March. The distributor stated that the timing aligns with renewed growth momentum for the Powerwall, supported by competitive installer pricing, consumer rebates, and continued product and software updates.

“Powerwall is already a category-defining product, and what’s ahead makes it even more compelling,” Ricketts stated. “As pricing sharpens and capability expands, we see a clear runway for installers to confidently spec Powerwall for premium residential installs, backed by Supply Partners’ national distribution footprint and service model.”

Supply Partners noted that a joint go-to-market launch is planned, including Tesla-led training for its sales and technical teams to support installers during the home battery system’s domestic rollout.

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Tesla Megapack Megafactory in Texas advances with major property sale

Stream Realty Partners announced the sale of Buildings 9 and 10 at the Empire West industrial park, which total 1,655,523 square feet.

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Credit: Tesla

Tesla’s planned Megapack factory in Brookshire, Texas has taken a significant step forward, as two massive industrial buildings fully leased to the company were sold to an institutional investor.

In a press release, Stream Realty Partners announced the sale of Buildings 9 and 10 at the Empire West industrial park, which total 1,655,523 square feet. The properties are 100% leased to Tesla under a long-term agreement and were acquired by BGO on behalf of an institutional investor.

The two facilities, located at 100 Empire Boulevard in Brookshire, Texas, will serve as Tesla’s new Megafactory dedicated to manufacturing Megapack battery systems.

According to local filings previously reported, Tesla plans to invest nearly $200 million into the site. The investment includes approximately $44 million in facility upgrades such as electrical, utility, and HVAC improvements, along with roughly $150 million in manufacturing equipment.

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Building 9, spanning roughly 1 million square feet, will function as the primary manufacturing floor where Megapacks are assembled. Building 10, covering approximately 600,000 square feet, will be dedicated to warehousing and logistics operations, supporting storage and distribution of completed battery systems.

Waller County Commissioners have approved a 10-year tax abatement agreement with Tesla, offering up to a 60% property-tax reduction if the company meets hiring and investment targets. Tesla has committed to employing at least 375 people by the end of 2026, increasing to 1,500 by the end of 2028, as noted in an Austin County News Online report.

The Brookshire Megafactory will complement Tesla’s Lathrop Megafactory in California and expand U.S. production capacity for the utility-scale energy storage unit. Megapacks are designed to support grid stabilization and renewable-energy integration, a segment that has become one of Tesla’s fastest-growing businesses.

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Tesla meets Giga New York’s Buffalo job target amid political pressures

Giga New York reported more than 3,460 statewide jobs at the end of 2025, meeting the benchmark tied to its dollar-a-year lease.

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Credit: Tesla

Tesla has surpassed its job commitments at Giga New York in Buffalo, easing pressure from lawmakers who threatened the company with fines, subsidy clawbacks, and dealership license revocations last year. 

The company reported more than 3,460 statewide jobs at the end of 2025, meeting the benchmark tied to its dollar-a-year lease at the state-built facility.

As per an employment report reviewed by local media, Tesla employed 2,399 full-time workers at Gigafactory New York and 1,060 additional employees across the state at the end of 2025. Part-time roles pushed the total headcount of Tesla’s New York staff above the 3,460-job target.

The gains stemmed in part from a new Long Island service center, a Buffalo warehouse, and additional showrooms in White Plains and Staten Island. Tesla also said it has invested $350 million in supercomputing infrastructure at the site and has begun manufacturing solar panels.

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Empire State Development CEO Hope Knight said the agency was “very happy” with Giga New York’s progress, as noted in a WXXI report. The current lease runs through 2029, and negotiations over updated terms have included potential adjustments to job requirements and future rent payments.

Some lawmakers remain skeptical, however. Assemblymember Pat Burke questioned whether the reported job figures have been fully verified. State Sen. Patricia Fahy has also continued to sponsor legislation that would revoke Tesla’s company-owned dealership licenses in New York. John Kaehny of Reinvent Albany has argued that the project has not delivered the manufacturing impact originally promised as well.

Knight, for her part, maintained that Empire State Development has been making the best of a difficult situation. 

“(Empire State Development) has tried to make the best of a very difficult situation. There hasn’t been another use that has come forward that would replace this one, and so to the extent that we’re in this place, the fact that 2,000 families at (Giga New York) are being supported through the activity of this employer. It’s the best that we can have happen,” the CEO noted. 

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