Connect with us

Energy

Tesla Energy, battery storage broke new ground in 2018, and 2019 will be even better

Published

on

Visionaries like Elon Musk, who are aiming for a world powered by sustainable energy, would be proud of the industry’s progress in 2018. Over the course of the year, investments flowed into research, the prices of batteries declined, governments across the globe supported clean energy solutions, and electric vehicles such as the Tesla Model 3 led the charge in transitioning the transportation sector away from fossil fuels.

A study from Bloomberg New Energy Finance has noted that in 2018, global annual energy storage more than doubled, reaching 9 GWh, and it is currently on pace to rise another 78% this year. In August 2018, the cumulative sales of electric cars passed the 4 million mark as well, and NEF analysts expect the EV industry to surpass 5 million in sales in the first quarter of 2019. Even in the United States, where companies like Tesla are struggling to meet the demand for their residential energy products, deployments on a rated-power basis across the country rose 57% to an estimated 338 KW after three years of flat to negative growth.

At the core of all this growth are the advancements in battery technology. Producers of batteries have ramped their operations to meet increasing demand, from China’s BYD Co. Ltd. to South Korea’s LG Chem to Japan’s Panasonic Corp. and its US partner Tesla. Benchmark Mineral Intelligence notes that by 2028, the combined manufacturing capacity of these battery producers would likely reach at least 1,330 GWh. That’s about ten times greater than the entire’s industry’s total capacity entering 2018.

In an email to S&P Global Market Intelligence, Simon Moores, managing director of Benchmark Mineral Intelligence, mentioned that the scale of recent battery projects signifies a change in the market. Moores also pointed out that while the emergence of electric cars is notable, the rise of energy storage has been impressive as well.

“When you see projects now being planned at over 1 GWh in scale, when only 18 months ago a 300-MWh installation was something to behold, you know you have entered a new era. It has been quite interesting to watch the battery makers’ dilemma of where to send the lithium-ion cells. Of course, they have contracts to honor with automotive producers, but the order inquiries from [energy storage] producers have been incredible,” Moores said.

One thing that is working in favor of renewables today is the falling prices of batteries and clean energy as a whole. Tom Buttgenbach, president and CEO of developer 8minutenergy Renewables LLC, described this in a statement to S&P Global Market Intelligence.

Advertisement

“I can beat a gas peaker anywhere in the country today with a solar-plus-storage power plant. Who in their right mind today would build a new gas peaker? We are a factor of two cheaper,” he said.

Buttgenbach’s statements echo the words of Tesla Chief Technology Officer JB Straubel, who noted last year that the age of fossil fuel powered peaker plants is at an end. Speaking to the San Francisco Chronicle, Straubel stated that batteries, even at their current state, are already starting to prove themselves as superior to conventional energy solutions.

“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,” the Tesla CTO said.

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

While the progress of batteries has been impressive, though, Logan Goldie-Scot, head of energy storage at Bloomberg NEF, has stated that the past year exhibited uneven growth among different regions across the globe. South Korea, for one, saw a rise in energy deployments, while territories like the United Kingdom took a step back. In the United States, extreme demand such as those faced by Tesla Energy for products like the Powerwall 2 also caused delays in installations. Yet, despite these, Goldie-Scot stated that 2018 was a turning point for energy storage nonetheless.

“Even though progress was uneven, there was a much greater consensus in 2018 over the importance of energy storage, even in the near term, in major markets. In 2017, there were still a lot of people talking about how energy storage was not necessarily a competitive solution and was going to be limited. I hear those conversations much less now. Energy storage is now becoming more integrated into resource plans,” she said.

Amidst this transition, companies such as Tesla are taking the battle to heart. Last November, for example, Tesla opened the doors of Gigafactory 2 in Buffalo, NY to select members of the media. During the media visit, Tesla noted that it is aiming to ramp operations in the site with more hires, and that the 1.2-million sq ft facility is already running 24/7, with employees alternating 12-hour shifts. Tesla’s Gigafactory 2 is expected to play a huge role in the company’s energy business, considering that it is the site where the Solar Roof tiles, the company’s flagship solar product, are being manufactured.

Advertisement

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.

Advertisement
Comments

Energy

Tesla VP hints at Solar Roof comeback with Giga New York push

The comments hint at possible renewed life for the Solar Roof program, which has seen years of slow growth since its 2016 unveiling.

Published

on

tesla-solar-roof-500k
Image Credit: Tesla/Twitter

Tesla’s long-awaited and way underrated Solar Roof may finally be getting its moment. During the company’s Q3 2025 earnings call, Vice President of Energy Engineering Michael Snyder revealed that production of a new residential solar panel has started at Tesla’s Buffalo, New York facility, with shipments to customers beginning in the first quarter of 2026. 

The comments hint at possible renewed life for the Solar Roof program, which has seen years of slow growth since its 2016 unveiling.

Tesla Energy’s strong demand

Responding to an investor question about Tesla’s energy backlog, Snyder said demand for Megapack and Powerwall continues to be “really strong” into next year. He also noted positive customer feedback for the company’s new Megablock product, which is expected to start shipping from Houston in 2026.

“We’re seeing remarkable growth in the demand for AI and data center applications as hyperscalers and utilities have seen the versatility of the Megapack product. It increases reliability and relieves grid constraints,” he said.

Snyder also highlighted a “surge in residential solar demand in the US,” attributing the spike to recent policy changes that incentivize home installations. Tesla expects this trend to continue into 2026, helped by the rollout of a new solar lease product that makes adoption more affordable for homeowners.

Advertisement

Possible Solar Roof revival?

Perhaps the most intriguing part of Snyder’s remarks, however, was Tesla’s move to begin production of its “residential solar panel” in Buffalo, New York. He described the new panels as having “industry-leading aesthetics” and shape performance, language Tesla has used to market its Solar Roof tiles in the past.

“We also began production of our Tesla residential solar panel in our Buffalo factory, and we will be shipping that to customers starting Q1. The panel has industry-leading aesthetics and shape performance and demonstrates our continued commitment to US manufacturing,” Snyder said during the Q3 2025 earnings call.

Snyder did not explicitly name the product, though his reference to aesthetics has fueled speculation that Tesla may finally be preparing a large-scale and serious rollout of its Solar Roof line.

Originally unveiled in 2016, the Solar Roof was intended to transform rooftops into clean energy generators without compromising on design. However, despite early enthusiasm, production and installation volumes have remained limited for years. In 2023, a report from Wood Mackenzie claimed that there were only 3,000 operational Solar Roof installations across the United States at the time, far below forecasts. In response, the official Tesla Energy account on X stated that the report was “incorrect by a large margin.”

Advertisement
Continue Reading

Energy

Tesla China’s Megafactory helps boost Shanghai’s battery exports by 20%: report

Located in the Lingang New Area of the Shanghai Free Trade Zone, the Tesla Megafactory has been running at full throttle since opening in February.

Published

on

Credit: Tesla Asia/X

Reports from China have indicated that the Tesla Shanghai Megafactory has become a notable player in China’s booming battery export market.

Located in the Lingang New Area of the Shanghai Free Trade Zone, the Tesla Megafactory has been running at full throttle since opening in February. It produces Tesla Megapack batteries for domestic and international use.

Tesla Shanghai Megafactory

As noted in a report from Sina Finance, the Tesla Shanghai Megafactory’s output of Megapack batteries helped drive a notable rise in lithium battery shipments from the city in the first three quarters of 2025. This is quite impressive as the Megafactory is a rather young facility, though it has been steadily increasing its production capacity.

“The establishment of this benchmark factory has not only driven the rapid development of Shanghai’s energy storage industry but also become a new growth engine for foreign trade exports. Driven by the Tesla energy storage factory’s opening, Shanghai’s lithium battery exports reached 32.15 billion yuan ($4.5 billion) in the first three quarters, a 20.7% increase,” the publication wrote.

Ultimately, the Shanghai Megafactory has proved helpful to the city’s “new three” industries, which are comprised of new energy vehicles, lithium batteries, and photovoltaic systems. Exports of the “new three” products reached 112.17 billion yuan ($15.7 billion), a 6.3% year-over-year increase during the same period. The city’s total trade volume grew 5.4% year-over-year as well, with exports up 11.3%, driven largely by the clean energy sector’s performance.

Advertisement

Energy storage is helping Shanghai

Since opening in February, the Shanghai Megafactory has been firing on all cylinders. In late July, Tesla Energy announced that the new battery factory has successfully produced its 1,000th Megapack unit. That’s quite impressive for a facility that, at the time, had only been operational for less than six months. 

Speed has always been a trademark of the Shanghai Megafactory. Similar to Tesla’s other key facilities in China, the Megafactory was constructed quickly. The facility started its construction on May 23, 2024. Less than a year later, the site officially started producing Megapack batteries. By late March 2025, Tesla China noted that it had shipped the first batch of Megapack batteries from the Shanghai plant to foreign markets.

Continue Reading

Energy

Tesla recalls Powerwall 2 units in Australia

Published

on

(Credit: nathanwoodgc /Instagram)

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.

Continue Reading

Trending