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Tesla’s bigger, smarter battery earns high praise from Australian energy minister

Tesla's 100 MW/129 MWh Powerpack system in Jamestown, Australia. (Credit: Tesla)

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Tesla’s big battery in South Australia may not have been able to maintain its crown as the world’s biggest energy storage installation with its 50% upgrade to a 150MW/194MWh system, but the Powerpack farm has received a notable amount of praise from a key government official nonetheless. In a recent statement, South Australia energy minister Dan Van Holst Pellekaan stated that the upgraded Tesla battery could be a crucial part of the state’s efforts to avoid large-scale blackouts. 

Tesla’s big battery, officially known as the Hornsdale Power Reserve, has already provided a notable amount of benefits to South Australia. Since it was deployed as a 100MW/129MWh system, the battery farm has helped the grid’s stability while helping residents save money on their power bills. With its 50% expansion, the South Australia energy minister noted that that the installation could serve as an even better “shock absorber” for the grid. 

“Batteries can suck massive amounts of electricity out of the grid within milliseconds and they can pump massive amounts of electricity back into the grid within milliseconds. That shock absorber-type capacity is what helps us to stop a blackout that would otherwise occur,” Mr. Pellekaan said in a statement to ABC News.

The expansion of the Hornsdale Power Reserve was delivered by French renewables company Neoen in collaboration with Tesla and the South Australian and Commonwealth governments. According to Neoen managing director Louis de Sambucy, the larger size of the battery installation should allow the Powerpack farm to offer additional services such as synthetic inertia, a function that has long been dominated by fossil fuel-powered generators. 

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“What’s great about this expansion is it’s making the battery bigger and smarter. We will be providing a number of grid-stabilizing services, to keep the voltage and frequency very stable,” de Sambucy stated. 

Similar to its early days, the upgraded Tesla Powerpack farm was already helping the grid even before it was officially deployed. During its test periods, for example, the 150MW/194MWh battery performed a rapid 270MW flip by charging at 120MW and discharging at 150MW in a rapid manner. The battery performed this feat multiple times, at one point pushing down power prices in the area to just above AU$8 per MW. 

With the undeniable success of the Hornsdale Power Reserve, Neoen has filed its development application for a mammoth sustainable energy project that could involve a total of 1,200MW of wind energy, 600MW of solar photovoltaic systems, and 900MW/1800MWh of battery storage. The French energy company is yet to announce a battery partner for such this high-profile project, though considering the performance of the Hornsdale Power Reserve and a massive 600MW/1200MWh system in Victoria that will use Tesla’s flagship Megapack batteries, there seems to be a fair chance that the Elon Musk-led firm may be involved in Neoen’s 1.8GWh battery project as well. 

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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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Tesla Energy gains UK license to sell electricity to homes and businesses

The license was granted to Tesla Energy Ventures Ltd. by UK energy regulator Ofgem after a seven-month review process.

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Credit: Tesla Energy/X

Tesla Energy has received a license to supply electricity in the United Kingdom, opening the door for the company to serve homes and businesses in the country.

The license was granted to Tesla Energy Ventures Ltd. by UK energy regulator Ofgem after a seven-month review process.

According to Ofgem, the license took effect at 6 p.m. local time on Wednesday and applies to Great Britain.

The approval allows Tesla’s energy business to sell electricity directly to customers in the region, as noted in a Bloomberg News report.

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Tesla has already expanded similar services in the United States. In Texas, the company offers electricity plans that allow Tesla owners to charge their vehicles at a lower cost while also feeding excess electricity back into the grid.

Tesla already has a sizable presence in the UK market. According to price comparison website U-switch, there are more than 250,000 Tesla electric vehicles in the country and thousands of Tesla home energy storage systems.

Ofgem also noted that Tesla Motors Ltd., a separate entity incorporated in England and Wales, received an electricity generation license in June 2020.

The new UK license arrives as Tesla continues expanding its global energy business.

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Last year, Tesla Energy retained the top position in the global battery energy storage system (BESS) integrator market for the second consecutive year. According to Wood Mackenzie’s latest rankings, Tesla held about 15% of global market share in 2024.

The company also maintained a dominant position in North America, where it captured roughly 39% market share in the region.

At the same time, competition in the energy storage sector is increasing. Chinese companies such as Sungrow have been expanding their presence globally, particularly in Europe.

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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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