

Energy
Tesla Solar Roof customer gives insights on cost and installation process
One of the first known Tesla Solar Roof residential customers has shed some light on the process for installing the unique energy producing glass roof tiles, and its costs. In a conversation with Alex Guberman of YouTube’s E for Electric, Tri Huynh provided several insights on the novel photovoltaic system beyond installation and cost, including the wait time involved, and reaction to the Solar Roof from his neighbors.
According to Huynh, he immediately signed up for the Solar Roof in the Textured finish as soon as they became available, considering his house needed a new roof and he was on the market for a solar system. Huynh further noted that Tesla first reached out to him about a year later, stating that they wanted to do a site survey. The site survey involved two people from Tesla analyzing the details of his roof, including its orientation to the sun, and determining the best system for it. According to Huynh, Tesla also deployed a drone to survey the surrounding area.
The installation involved a surprising 20 people who worked on the Solar Roof for two weeks. Part of the reason why it took so long to get the system installed was due to bad weather. Huynh noted that Tesla is probably still optimizing the ideal number of people it needs to deploy when installing its photovoltaic glass roof tiles.
According to the Solar Roof customer, the difference in price between the photovoltaic system and a traditional roof is substantial. Thus, he does not recommend the tiles for those who are financially-sensitive.
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
- A Tesla Solar Roof installation. [Credit: E for Electric/YouTube]
“It’s definitely a premium product. Luckily, I could afford it, so I did it, But the difference is substantial. So if someone is money-sensitive or financially-sensitive, I wouldn’t recommend it,” Huynh said.
Nevertheless, Huynh noted that he loves his Solar Roof tiles and that they are perfect for him. He also stated that his community’s reaction to the Solar Roof tiles has been very positive.
“I’m a big technology guy, and I kinda wanted to be on the front of this. It just looks amazing, and it’s just what I want. So luckily, it worked out for me.
“They (the neighbors) think it’s amazing. They love it, and they asked a lot of questions. During the install, people would walk their dogs here constantly, and just stay here for 20 mins watching everyone install it and talking to the installers, so it’s very cool,” Huynh said.
During the tiles’ unveiling, Tesla CEO Elon Musk stated that the Solar Roof tiles could turn out to be a “Keeping up with the Joneses” situation. If Huynh’s experience is any indication, it appears that Musk’s statements would ring true.
“You want to call your neighbors over and say, ‘Check out the sweet roof.’ It’s like, not a phrase that you hear often, but that’s the key to it. People really care about their homes; they love their homes, and they want them to be better,” Musk said.
Solar Roof installations began last year, though the system was only installed in the homes of Tesla’s executives, such as Elon Musk and JB Straubel, and later, to some of the company’s other employees. Considering that Tesla seems to be starting the installation of the solar tiles for residential customers, as well as reports that its solar factory in Buffalo, NY is ramping up hiring, it appears like the Elon Musk-led energy company is finally accelerating the rollout of its Solar Roof tiles.
Watch E for Electric’s interview with Tri Huynh in the video below.
Energy
Tesla recalls Powerwall 2 units in Australia

Tesla will recall Powerwall 2 units in Australia after a handful of property owners reported fires that caused “minor property damage.” The fires were attributed to cells used by Tesla in the Powerwall 2.
Tesla Powerwall is a battery storage unit that retains energy from solar panels and is used by homeowners and businesses to maintain power in the event of an outage. It also helps alleviate the need to rely on the grid, which can help stabilize power locally.
Powerwall owners can also enroll in the Virtual Power Plant (VPP) program, which allows them to sell energy back to the grid, helping to reduce energy bills. Tesla revealed last year that over 100,000 Powerwalls were participating in the program.
Tesla announces 100k Powerwalls are participating in Virtual Power Plants
The Australia Competition and Consumer Commission said in a filing that it received several reports from owners of fires that led to minor damage. The Australian government agency did not disclose the number of units impacted by the recall.
The issue is related to the cells, which Tesla sources from a third-party company.
Anyone whose Powerwall 2 unit is impacted by the recall will be notified through the Tesla app, the company said.
Energy
Tesla’s new Megablock system can power 400,000 homes in under a month
Tesla also unveiled the Megapack 3, the latest iteration of its flagship utility scale battery.

Tesla has unveiled the Megablock and Megapack 3, the latest additions to its industrial-scale battery storage solution lineup.
The products highlight Tesla Energy’s growing role in the company, as well as the division’s growing efforts to provide sustainable energy solutions for industrial-scale applications.
Megablock targets speed and scale
During the “Las Megas” event in Las Vegas, Tesla launched Megablock, a pre-engineered medium-voltage block designed to integrate Megapack 3 units in a plug-and-play system. Capable of 20 MWh AC with a 25-year life cycle and more than 10,000 cycles, the Megablock could achieve 91% round-trip efficiency at medium voltage, inclusive of auxiliary loads.
Tesla emphasized that Megablock can be installed 23% faster with up to 40% lower construction costs. The platform eliminates above-ground cabling through a new flexible busbar assembly and delivers site-level density of 248 MWh per acre. With Megablock, Tesla is also aiming to commission 1 GWh in just 20 business days, or enough to power 400,000 homes in less than a month.
“With Megablock, we are targeting to commission 1 GWh in 20 business days, which is the equivalent of bringing power to 400,000 homes in less than a month. It’s crazy. How are we planning to do that? Like most things at Tesla, we are ruthlessly attacking every opportunity to save our customers time, simplify the process, remove steps, (and) automate as much as we can,” the company said.
Megapack 3 is all about simplicity
The Megapack 3 is Tesla’s next-generation utility battery, designed with a simplified architecture that cuts 78% of connections compared to the previous version. Its thermal bay is drastically simplified, and it uses a Model Y heat pump on steroids. The battery weighs about 86,000 pounds and holds 5 MWh of usable AC energy. Tesla engineers incorporated a larger battery module and a new 2.8-liter LFP cell co-developed with the company’s cell team.
The Megapack 3 is designed for serviceability, and it features easier front access and no roof penetrations. About 75% of Megapack 3’s total mass is battery cells, with individual modules weighing as much as a Cybertruck. It’s also tough, with an ambient operating temperature range from -40C to 60C. This should allow the Megapack 3 to operate optimally from the coldest to the hottest regions on the planet.
Production is set to begin at Tesla’s Houston Megafactory in late 2026, with planned capacity of 50 GWh per year. Additional supply will come from Tesla’s 7 GWh LFP facility in Nevada, which is expected to open in 2025, as well as with third-party partners.
Energy
Tesla Energy is the world’s top global battery storage system provider again
Tesla Energy captured 15% of the battery storage segment’s global market share in 2024.

Tesla Energy held its top position in the global battery energy storage system (BESS) integrator market for the second consecutive year, capturing 15% of global market share in 2024, as per Wood Mackenzie’s latest rankings.
Tesla Energy’s lead, however, is shrinking, as Chinese competitors like Sungrow are steadily increasing their global footprint, particularly in European markets.
Tesla Energy dominates in North America, but its lead is narrowing globally
Tesla Energy retained its leadership in the North American market with a commanding 39% share in 2024. Sungrow, though still ranked second in the region, saw its share drop from 17% to 10%. Powin took third place, even if the company itself filed for bankruptcy earlier this year, as noted in a Solar Power World report.
On the global stage, Tesla Energy’s lead over Sungrow shrank from four points in 2023 to just one in 2024, indicating intensifying competition. Chinese firm CRRC came in third worldwide with an 8% share.
Wood Mackenzie ranked vendors based on MWh shipments with recognized revenue in 2024. According to analyst Kevin Shang, “Competition among established BESS integrators remains incredibly intense. Seven of the top 10 vendors last year struggled to expand their market share, remaining either unchanged or declining.”

Chinese integrators surge in Europe, falter in U.S.
China’s influence on the BESS market continues to grow, with seven of the global top 10 BESS integrators now headquartered in the country. Chinese companies saw a 67% year-over-year increase in European market share, and four of the top 10 BESS vendors in Europe are now based in China. In contrast, Chinese companies’ market share in North America dropped more than 30%, from 23% to 16% amid Tesla Energy’s momentum and the Trump administration’s policies.
Wood Mackenzie noted that success in the global BESS space will hinge on companies’ ability to adapt to divergent regulations and geopolitical headwinds. “The global BESS integrator landscape is becoming increasingly complex, with regional trade policies and geopolitical tensions reshaping competitive dynamics,” Shang noted, pointing to Tesla’s maintained lead and the rapid ascent of Chinese rivals as signs of a shifting industry balance.
“While Tesla maintains its global leadership, the rapid rise of Chinese integrators in Europe and their dominance in emerging markets like the Middle East signals a fundamental shift in the industry. Success will increasingly depend on companies’ ability to navigate diverse regulatory environments, adapt to local market requirements, and maintain competitive cost structures across multiple regions,” the analyst added.
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