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Tesla Energy takes part in CA’s record-breaking 2.2 GWh battery storage project

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Tesla Energy is poised to participate in California’s initiative to build one of the world’s largest battery systems. After a historic 4-1 vote, California utility regulators approved a proposal put forward by Pacific Gas & Electric, which aimed to replace three natural gas-fired power plants in the state with utility-grade lithium-ion batteries.

When completed, the projects approved by the California Public Utilities Commission (CPUC) would be among the largest battery installations in the United States. Among these is a 300 MW lithium-ion battery from Dynegy, as well as a 182.5 MW Tesla battery system. Installations from Hummingbird Energy Storage (75 MW) and mNOC (10MW) allow the entire clean energy initiative to reach a total of 567 MW. Considering that all the battery systems have four-hour ratings, the total energy rating of the entire project is an impressive 2.27 GWh.

Among the most notable gas-powered plants that would be replaced by the battery installations is a facility in Moss Landing, CA, located around 15 miles north of Monterey. All the battery systems, particularly Tesla’s 182.5 MW installation and Dynegy’s 300 MW battery, will be located on the site of the outgoing gas-powered plant.

The Moss Landing Power Plant, which will be replaced by lithium-ion battery installations. [Credit: David Monniaux/Wikimedia Commons]

Apart from being impressive in its size, the recently approved battery projects will not only connect to the area’s substation and transmission infrastructure built for the Moss Landing Power Plant; the lithium-ion batteries will replace the entire range of services provided by the plant itself as well. Dynegy, who owns the gas-powered plant, noted back in February that it would likely retire the facility. The CPUC has stated that another plant in Gilroy would probably go offline in the near future as well.

While the benefits of industry-grade batteries are notable, PG&E’s proposal met a notable amount of opposition nonetheless, particularly from gas generator Calpine, the California Direct Access Customer Coalition, and the California Community Choice Association. According to the project’s skeptics, the investment in the lithium-ion battery systems would not be a good use of taxpayer funds. Despite the opposition, though, the large-scale energy storage project was approved nonetheless.

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With the project’s approval from the CPUC, California has managed to take a step forward in its efforts to decarbonize its electric system by shifting from natural gas to greener solutions. In a statement to GreenTechMedia, Matt Vespa, staff attorney at Earthjustice, stated that the upcoming battery installations would give several benefits to the state’s residents.

“Not only will this help California integrate solar and reduce the need to ramp up polluting gas plants in the late afternoon, but it will also provide local reliability needs in an area that is currently highly reliant on gas-fired generation. We are getting multiple benefits, pushing gas off the system, and moving a step closer to a decarbonized grid,” he said.

Tesla’s 100 MW/129 MWh Powerpack system dubbed as the ‘World’s largest battery’ in Jamestown, Australia.

While Tesla’s Energy business usually takes a back seat to its electric car business, the company’s battery storage division continues to grow rapidly. Billionaire investor Ron Baron, for one, stated that he believes Tesla’s energy business could be worth $500 billion on its own by 2030. In a way, part of this projected growth is attributed to the declining price of batteries and the performance of projects such as the South Australia Powerpack farm, which has all but triggered a clean energy movement in the region. In a statement earlier this year, Tesla CTO JB Straubel remarked that battery technology has progressed to a point where it now has the potential to replace inefficient and dirty power plants.

“I think what we’ll see is we won’t build many new peaker plants, if any. Already what we’re seeing happening is the number of new ones being commissioned is drastically lower, and batteries are already outcompeting natural gas peaker plants,” Straubel said.

The emergence of Tesla Energy at this point in time could bode well for the company, particularly since battery storage is expected to grow in the future. A study from GTM Research, for one, estimates that sales of energy storage for both residential and utility markets in America would probably hit $541 million this year, before passing $1 billion in 2019, and eventually reaching $4.6 billion in 2023. If Tesla Energy can ramp its operations in time, and if its batteries prove themselves in the field, the electric car maker could very well position itself strategically in what could, in more ways than one, be a clean energy gold rush.

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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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Elon Musk

Why SpaceX just made a $60 billion bet on AI coding ahead of historic IPO

SpaceX has secured an option to acquire Cursor AI for $60 billion ahead of its historic IPO.

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SpaceX announced today it has struck a deal with AI coding startup Cursor, securing the option to acquire the company outright for $60 billion later this year, while committing $10 billion for joint development work in the interim. The announcement described the partnership as building “the world’s best coding and knowledge work AI,” and comes just days after Cursor was separately reported to be raising $2 billion at a valuation above $50 billion.

The move makes strategic sense given where each company currently stands. Cursor currently pays retail prices to Anthropic and OpenAI to the same companies competing directly against it with Claude Code and Codex. That means every dollar of revenue Cursor earns partially funds its own competition. With SpaceX bringing computational infrastructure to the Cursor platform, that could reduce Cursor’s dependence on OpenAI and Anthropic’s Claude AI as its providers. Access to SpaceX’s Colossus supercomputer, with compute equivalent to one million Nvidia H100 chips, gives Cursor the infrastructure to run and train its own models at a scale it could never afford independently. That one change restructures the entire unit economics of the business.

Elon Musk teases crazy outlook for xAI against its competitors

Cursor’s $2 billion in annualized revenue and enterprise reach across more than half of Fortune 500 companies gives SpaceX something its xAI subsidiary currently lacks, which is a proven, fast-growing software business with real enterprise distribution.

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For Cursor, SpaceX’s $10 billion in joint development funding is transformational. Cursor raised $3.3 billion across all of 2025 to reach that $2 billion in revenue. A single $10 billion commitment from SpaceX, even as a development payment rather than an acquisition, dwarfs everything Cursor has raised in its entire existence. That capital accelerates product development, enterprise sales infrastructure, and proprietary model training simultaneously.

The timing is deliberate. SpaceX filed confidentially with the SEC on April 1, 2026, targeting a June listing at a $1.75 trillion valuation, in what would be the largest public offering in history. The company is expected to begin its roadshow the week of June 8, with Bank of America, Goldman Sachs, JPMorgan, and Morgan Stanley serving as underwriters. Adding Cursor to the portfolio before that roadshow gives IPO investors a concrete enterprise software revenue story to price in, alongside rockets and satellite internet.

The deal also addresses a weakness that became visible after February’s xAI merger. Several xAI co-founders departed following that acquisition, and SpaceX had already hired two Cursor engineers, signaling where its AI talent strategy was heading. Cursor, for its part, faces a pricing disadvantage competing against Anthropic’s Claude Code.

Whether SpaceX exercises the full acquisition option before its IPO or after remains the open question. Either way, this deal reshapes what investors will be buying into when SpaceX goes public.

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Elon Musk

Tesla Supercharger for Business exposes jaw-dropping ROI gap between best and worst locations

Tesla’s new Supercharger for Business calculator reveals an eye-opening all-in cost and location-based ROI projections.

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tesla v4 supercharger

Tesla has launched an online calculator for its Supercharger for Business program, giving property owners their first transparent look at what it really costs to install Superchargers on site and what kind of return they can expect.

The program itself launched in September 2025, allowing businesses to purchase and operate Supercharger hardware on their own property while Tesla handles installation, maintenance, software, and 24/7 driver support. As Teslarati reported at launch, hosts also get their logo placed on the chargers and their location integrated into Tesla’s in-car navigation, meaning drivers are actively routed there. The stalls are open to all EVs, not just Teslas.


The new online calculator, announced by Tesla on Wednesday with the note that “simplicity and transparency” have been a problem in the industry, lets any business enter a U.S. address and get a real cost and revenue model. A standard 8-stall V4 Supercharger site runs approximately $500,000 in hardware and $55,000 per post for installation, bringing an all-in price just shy of $1 million. Tesla charges a flat $0.10 per kWh fee to cover software, billing, and network operations. Businesses set their own retail price and keep the margin above that fee.

Tesla expands its branded ‘For Business’ Superchargers

 

Taking a look at Tesla’s Supercharger for Business online calculator, we can see that ROI is not uniform, and the gap between a strong location and a poor one can stretch the breakeven point by several years.

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The biggest driver is foot traffic and how long people stay. A busy rest station, hotel, or outlet mall brings in repeat visitors who need to charge while they’re already stopped, pushing utilization numbers higher and shortening payback time.

Tesla Supercharger for Business ROI calculator

Tesla Supercharger for Business ROI calculator

Local electricity rates matter just as much on the cost side. Markets like California carry some of the highest commercial electricity rates in the country, which eats into the margin between what a host pays per kWh and what they charge drivers. At the same time, dense urban areas with high EV adoption tend to support higher retail charging prices, which can offset that cost if demand is strong enough. Weather also plays a role. Cold climates reduce battery efficiency and increase charging frequency, but they can also suppress utilization in winter months if drivers avoid stopping in exposed outdoor locations. Suburban and rural sites face a different problem: lower baseline EV traffic, which means a site with cheaper power and lower operating costs can still take longer to pay back simply because the stalls sit idle more often. Tesla’s calculator uses real fleet data to pre-fill utilization estimates by ZIP code, so businesses can run their specific address against these variables rather than relying on averages.

The program has seen real adoption. Wawa, already the largest host of Tesla Superchargers with over 2,100 stalls across 223 locations, opened its first fully owned and branded site in Alachua, Florida earlier this year. Francis Energy of Oklahoma and the city of Alpharetta, Georgia have also deployed branded stations through the program, as Teslarati covered in January.

Tesla now exceeds 80,000 Supercharger stalls worldwide, and the calculator makes the economic case for accelerating that number through private investment rather than company-owned sites alone.

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Energy

Tesla’s newest “Folding V4 Superchargers” are key to its most aggressive expansion yet

Tesla’s folding V4 Supercharger ships 33% more per truck, cuts deployment time and cost significantly.

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Tesla V4 Supercharger installation ramping in Europe

Tesla is rolling out a folding V4 Supercharger design, an engineering change that allows 33% more units to fit on a single delivery truck, cuts deployment time in half, and reduces overall installation cost by roughly 20%.

The folding mechanism addresses one of the least glamorous but most consequential bottlenecks in charging infrastructure: getting hardware from factory floor to job site efficiently. By collapsing the form factor for transit and unfolding into an operational configuration on arrival, the new design dramatically reduces the logistics overhead that has historically slowed Supercharger rollouts, particularly at large or remote sites where multiple units are needed simultaneously.

The timing aligns with a broader acceleration in Tesla’s network strategy. In March 2026, Tesla’s Gigafactory New York produced its final V3 Supercharger cabinet after more than seven years and 15,000 units, pivoting entirely to V4 cabinet production. The V4 cabinet itself is already a generational leap, delivering up to 500 kW per stall for passenger vehicles and up to 1.2 MW for the Tesla Semi, while supporting twice the stalls per cabinet at three times the power density of its predecessor. The folding transport innovation layers logistical efficiency on top of that technical foundation.

Tesla launches first ‘true’ East Coast V4 Supercharger: here’s what that means

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Tesla Charging’s Director Max de Zegher, commenting on the V4 cabinet when it launched, captured the operational philosophy behind these changes: “Posts can peak up to 500kW for cars, but we need less than 1MW across 8 posts to deliver maximum power to cars 99% of the time.” The design philosophy has always been about maximizing real-world throughput, not just peak specs, and the folding transport upgrade extends that thinking into the supply chain itself.

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