A California lake has enough lithium to power 375 million EVs
California’s infamous Salton Sea has been a known hotbed of lithium for years, but no one had a sense of how much “white gold” was found there. Now a new study quantifies that, and it’s impressive: The huge underground reserve of scorching hot brine located underneath the lakebed contains enough lithium to build batteries for 375 million electric vehicle batteries, making it one of the largest lithium brine deposits in the world.
A new study from the US Department of Energy released this week is the first to quantify how much valuable metal is down there, and it’s a lot more than previously thought. Researchers from the Lawrence Berkey National Laboratory say the reserve can support the production of 3,400 kilotons of lithium, enough to build batteries for 375 electric vehicle batteries. The US currently has fewer than 300 million registered EVs, but that is set to explode by 2030. Some say we could face a shortage as soon as 2025.
The Salton Sea is best known for being the state’s worst ecological disaster, as droughts, heat waves, and agriculture have caused the water to recede, forming a dry barren-looking lake bed alongside mass die-offs of fish from the high salinity of the water. But the Salton Sea has had a green energy reinvention of sorts, with companies of all sizes trying to assess how to extract lithium from the geothermal brine deep underneath the lake’s southern end, and for a decade it’s been a source of geothermal electricity production. Governor Gavin Newsom has called the lake the “Saudi Arabia of lithium.”
Of the new findings, the DOE says that all of that lithium found there can “enable the United States to meet or exceed global lithium demand for decades,” according to a press release. “This is pretty significant, it makes this among the largest lithium brine deposits in the world,” Michael McKibben, a geochemistry professor and one of the study authors. “This could make the US completely self-sufficient in lithium so we’re no longer importing it via China.”
Of course finding a way to harness and exact the lithium from a geothermal brine at a commercial scale is a daunting task, but a few companies are already working on it and have secured large investments to develop technology. The California Energy Commission also gave a $6 million grant to William Buffett’s Berkshire Hathaway Energy, as well as a $1.46 million grant to Controlled Thermal Resources a few years back to develop extraction techniques.
But rather than destructive drilling and creating huge evaporation pools, all which can take months and years and leave destruction in their wake, the plan is to do it in a more environmentally friendly way. Companies are working toward a direct lithium extraction technology that can extract the brine and separate lithium from other metals. As an added bonus, the lithium extraction will be paired with producing geothermal electricity.
Electrek’s Take
This is certainly a compelling development in the very long saga of the Salton Sea. And it’s one of those buzzy topics that I’m sure we’ll hear about a lot over the next year. But still, it’s a long bet to seeing this project bear any fruit. The Los Angeles Times makes an interesting case, saying that no company has yet been able to exact lithium from the underground brine, and it’s a costly, complicated endeavor, with the salt alone quickly corroding equipment.
Not to mention the potential political hurdles in making this happen, as well as permitting and costs of getting work crews out to a region with very little infrastructure in place, and surmounting any opposition from mining – although the Salton Sea is likely to be more in the clear in terms of that.
Still, for clean technology to move forward, these types of critical minerals are vital, and currently, China holds all the cards. Most of the lithium currently found in EV batteries in the US comes from South America, which is then transported to China to make batteries. So, the idea is certainly appealing: environmentally friendly extraction, a free-flowing domestic lithium source, and loads of skilled jobs in the US. We’re all in on the dream.
Image: Creative Commons/Dicklyon
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Chinese electric scooter manufacturer NIU Technologies (NASDAQ: NIU) is experiencing a remarkable surge in 2025, with its stock price nearly doubling year-to-date. This impressive performance is fueled by a significant increase in electric moped sales, particularly within its domestic market, despite facing challenges such as international tariffs and rising freight costs.
Domestic market is driving growth
In the first quarter of 2025, NIU reported a 57.4% year-over-year increase in e-scooter sales, totaling 203,313 units. Notably, 183,065 of these units were sold in China, marking a 66.2% increase compared to the same period last year.
This domestic growth was boosted by China’s consumer trade-in program, which incentivizes the replacement of older scooters with newer, more efficient models.
The company’s revenue for Q1 2025 reached RMB 682.0 million (approximately US $94 million), a 35.1% increase from the previous year. However, the average revenue per e-scooter decreased by 14.2% to RMB 3,354, indicating a shift towards more affordable models.
NIU CEO Yan Li explained: “In China, we are advancing our intelligent product development strategy by integrating automotive-grade technologies such as millimeter-wave radar, dual-channel ABS, and AI Smart Ecosystem to enhance the user experience. Our retail network has continued to expand in-line with our expectations, with new stores opening during the quarter. This synergistic combination of product innovation and omni-channel growth is driving measurable increases in domestic sales and market penetration.”
International challenges remain
While domestic sales certainly provided strong tailwinds for NIU, international markets still present challenges for the company. Sales outside China grew by a modest 6.4%, totaling 20,248 units. Factors such as US tariffs and increased freight costs were noted in NIU’s Q1 2025 earnings report as impacting international margins. Despite these hurdles, international sales contributed RMB 60 million (approximately US $8 million) to the quarterly revenue, a 22.4% increase year-over-year.
NIU’s gross margin declined to 17.3% from 18.9% in the same quarter last year, reflecting the pressure from international trade policies and logistics costs. Nevertheless, the company’s net loss narrowed to RMB 38.8 million, down from RMB 54.8 million in Q1 2024, indicating improved operational efficiency. While still operating at a net loss of around US 5.4 million, these numbers indicate a strong turnaround for the company – reflected by the nearly doubling of NIU’s stock price so far in 2025.
Looking ahead, NIU is anticipating continued growth and projecting Q2 2025 revenue to increase by 40% to 50% year-over-year. The company says it is also exploring strategies to mitigate international challenges, such as diversifying its production and focusing on markets less affected by tariffs.
As Li continued, “Globally, the market is undergoing structural shifts, with US trade policies experiencing increased volatility. However, we are leveraging innovation and agile infrastructure to mitigate geopolitical challenges, enabling sustainable global growth through proactive production adjustments.”
Electrek’s Take
If you’re a NIU fan like I am, this is great news that helps claw back some of the losses seen in the last couple of years. The entire micromobility sector has navigated choppy waters after the pandemic bubble burst, and NIU was certainly not immune to the drop in sales. But these numbers paint a promising return that industry analysts and scooter riders who depend on the company alike have been hoping for.
I visited NIU’s factory a few months ago and saw firsthand how much care and precision goes into building its millions of electric two-wheelers. That kind of in-depth look is rare in this industry, and it gave me keen insight into what separates NIU’s high-tech and high-design models from much of the industry.
Now it seems that sales are starting to catch back up to where such innovative pieces of tech deserve to be. Here’s to hoping for another good quarter to follow.
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On today’s sunny side up episode of Quick Charge, we take a look at the latest from the world of solar power, and discuss Congressional Republicans’ plans to limit your energy independence by eliminating a critical tax credit for homeowners nearly ten years early. (!)
We’ve also got a quick review of a massive solar farm powering 200,000 homes in Indiana and the biggest solar project East of the Mississippi – both part of a record 98% of all new power generation and grid capacity introduced in 2025 coming from wind and solar. Those are jobs, those are lower utility rates, those are energy independence … so why are Congressional Republicans working to make that more expensive?
Source Links
If you want to read that EnergySage report on the state of the home solar industry, including news about battery energy storage system and V2H/V2G prices and financing trends, you can check it out for yourself, below, then let us know what you think in the comments.
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If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them.
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A Waymo autonomous vehicle drives along Masonic Avenue on April 11, 2022 in San Francisco, California.
Justin Sullivan | Getty Images News | Getty Images
Alphabet’s Waymo unit has received approval to expand its autonomous ride-hailing service to more parts of the San Francisco Bay Area, including San Jose.
In March, the company submitted a request to the California Public Utilities Commission to gain approval for its latest passenger safety plan, a key step in gaining permission to operate driverless vehicles across a broader area. On Monday, the proposed expansion was approved, allowing for Waymo’s driverless coverage to extend from San Francisco down through the Peninsula.
“We’re very excited to share that the CPUC has approved our application to operate our fully autonomous commercial ride-hailing service in the South Bay and nearly all of San Jose!” the company wrote in a post on X on Monday. “While this won’t change our operations in the near-term, we’re looking forward to bringing the benefits of Waymo One to more of the Bay Area in the future.”
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