Fervo Energy says it has achieved a breakthrough in geothermal technology. It carried out a 30-day well test at its site in northern Nevada and says it was able to achieve a "flowrate of 63 liters per second at high temperature that enables 3.5 megawatts of electric production." The company says the test resulted in flow and power output records for an enhanced geothermal system (EGS) and that it was completed without incident.

A megawatt can power around 750 homes at once. Fervo is expected to connect its Project Red site to the grid this year. It will be used to power Google data centers and some of the company's other Nevada infrastructure. Google and Fervo signed an agreement in 2021 to develop a "next-generation geothermal power project."

This is the first time an energy company has shown that an EGS can work on a commercial scale, according to Bloomberg. It's been a long road to reach this point, as scientists have been trying to make EGS a reality since the 1970s.

For a natural geothermal system to produce electricity, it needs a combination of heat, fluid and rock permeability, as Bloomberg notes. In many areas, the rock has the required levels of heat, but not enough permeability for fluid to flow through it.

An EGS creates this permeability artificially by drilling deep underground and injecting fluid to create fractures in the rock. That approach can vastly increase the number of potential sites for a geothermal power plant.

Fervo says it's the first company to "successfully drill a horizontal well pair for commercial geothermal production, achieving lateral lengths of 3,250 feet, reaching a temperature of 191°C, and proving controlled flow through rigorous tracer testing."

One of the major advantages of geothermal power plants is that they're entirely carbon free — Google aims to run all of its offices and data centers on carbon-free energy by 2030. These plants can also operate at any time (unlike solar and wind), making geothermal energy a compelling source of renewable power. However, cost reductions and regulatory red tape are barriers to making EGS more broadly available, according to Fervo CEO Tim Latimer.

The company is hoping to replicate its success at a site in Utah. If Fervo sees similar results there and it successfully implements design upgrades to maximize output, the site is expected to generate enough electricity to power 300,000 homes simultaneously, Latimer said. That's around a quarter of all homes in Utah.

“Achieving our goal of operating on 24/7 carbon-free energy will require new sources of firm, clean power to complement variable renewables like wind and solar,” Michael Terrell, Google's senior director for energy and climate, said in a statement. “We partnered with Fervo in 2021 because we see significant potential for their geothermal technology to unlock a critical source of 24/7 carbon-free energy at scale, and we are thrilled to see Fervo reach this important technical milestone.”

Tesla has launched a feature called "Charge on Solar" that allows owners to fill up their electric vehicles' batteries using only excess solar energy. As TechCrunch notes, the automaker started testing the capability in May, but now it's more widely available to Tesla customers in the US and in Canada. The number of people who can access the feature, however, likely remains pretty limited. To start with, it will only be accessible to those who have newer Teslas — 2021 and later — who also have a Powerwall. That's the company's battery system that stores solar energy harnessed by solar panels. 

Tesla

To enable Charge on Solar, users will need to fire up their Tesla app, choose the feature and then set it up. They'll then see a slider with a sun icon within the feature's settings that they can drag left or right to set the charge limit. The vehicle will charge itself from solar and the grid like usual before it reaches the sun slider, ensuring users have enough power to get where they need to. But after reaching the sun slider, the vehicle will only charge itself using excess solar energy. 

The Powerwall will still prioritize storing backup energy or charging other appliances when it's in Storm Watch mode before allocating any excess solar power for vehicle charging. Charge on Solar will truly only charge EVs using excess energy, which is also why owners worried about not having enough juice can set a time limit for it. Of course, they can also adjust their charge limit, or switch off Charge on Solar entirely if they want to be absolutely sure that their batteries will get fully charged. 

It's not just US manufacturers adopting Tesla's EV charging technology. Volvo has confirmed that its electric cars in the US, Canada and Mexico will use Tesla's North American Charging Standard (NACS) port. Current and recently announced cars (such as the C40 Recharge, EX30 and EX90) will connect to Supercharger stations through an adapter starting in the first half of 2024, while models from 2025 onward will have NACS built-in. An adapter will be available to connect those upcoming EVs using the Combined Charging System (CCS) format.

Volvo isn't shy about its reasoning. It wants drivers to have access to an "easy and convenient" charging network, and that means Tesla Superchargers. The company claims the deal will give owners access to 12,000 more fast charging locations. The Volvo Cars app will help users find and pay for stations.

The move makes Volvo the first European marque to use Tesla's port. It joins American brands that have made the leap, including Ford, GM and Rivian. Those companies are also promising adapters for current designs followed by native NACS ports.

Tesla opened up NACS in late 2022, making the technology available to any company that wanted to use it. At the time, it hoped charging networks like Chargepoint and Electrify America would support the system. While that has yet to materialize, NACS is quickly gaining support beyond just automakers. Texas will require Tesla's connector on state-funded charging stations, and SAE International is working on a standardized version of the plug.

Other car giants are uncertain about using Tesla's tech. Stellantis (owner of Chrysler, Alfa Romeo, Fiat and other brands) toldReuters it's "evaluating" NACS, while Hyundai is also considering adoption. A switch isn't necessarily easy. Makers like Hyundai and Porsche have 800-volt architectures that allow faster charging than existing Superchargers, and they'd either have to press Tesla for upgraded technology or accept less-than-ideal charging rates. Still, there's clearly mounting pressure to embrace Tesla's format.

Device charging company Anker is moving into Tesla's territory with the launch of the Solix line of home energy products, including a modular Powerwall-like battery storage system, the company announced at an event in New York City. It also introduced a smaller battery aimed at folks living in condos and apartments that can be used with its existing balcony-mounted solar panels.

The modular battery system, set to arrive globally in 2024, will be scalable from 5kWh of power (enough to run an average-sized house for a few hours) up to 180kWh, which could feasibly power a house for nearly a week. It's designed to deliver backup power to both existing and new solar installation, and Anker promises it will "provide high levels of safety and durability, seamlessly transfer to off-grid power and be compatible with home energy equipment such as heat pumps, oil- and gas-powered generators." It will also work with a "forthcoming EV charging solution," the company wrote.

The system will use lithium iron phosphate (LFP) batteries and operate at temperatures ranging from -20C to 55C (-4F to 131F). It's controlled by Anker's power management system and available with an app. Anker has yet to provide the all-important pricing, but said more information will be available "later this year." 

By comparison, Tesla's Powerwall 2 units have nearly triple the power (13.5kWh each), cost $11,500 each installed and can be scaled up to 135kWh. Standalone Powerwall installations qualify for a 30 percent residential federal investment tax credit, along with any state incentives.

Anker

Along with the modular battery, Anker unveiled the Solarbank E1600 battery pack as part of an energy storage system for apartments and condos. Set to be sold in Europe, it follows the company's recently launched Solix RS40 balcony solar panel system, and is compatible with "99 percent of the balcony PV products on the market," the company said.

It's modular, available in sizes from 1.6kWh to 3.2kWh (enough for a few hours of power), and works with most micro-inverters including the ones bundled with the RS40 solar panels. Once plugged it into a standard home power socket, it'll absorb any excess energy from the solar panels and feed it back to the home if the grid goes down. Anker promises a "five minute DIY installation," and said it can support 6,000 charging cycles or double the industry average. It can also be controlled via an app.

The new storage products join Anker's existing lineup of batteries (now branded Solix as well), like the 767 PowerHouse 2.05kWh designed for campers and outdoor use, and charged with an optional 200W solar panel. Anker now joins companies like Ecoflow (with its modular 3.6kWh-25kWh Delta Pro battery) and others in the burgeoning home energy storage market. 

Ford isn't the only electric automaker switching to Tesla's North American Charging Standard — General Motors says it's making the change, too. CEO Mary Barra announced the move during a Twitter Spaces chat with Tesla CEO Elon Musk on Thursday, stating that its electric vehicles will make the NACS open-source connector standard in all GM EVs in 2025.

As part of the collaboration, all GM EVs will gain access to 12,000 Tesla Superchargers in 2024. Drivers of existing GM EVs won't have to upgrade their vehicles to use Tesla's chargers, but will need to use an adapter to make their vehicle compatible. Likewise, GM says it will be developing an adapter that will allow future NACS-enabled EVs to charge its existing network of CSS-capable fast charging stations.

That backwards compatible charger could prove important. Tesla's willingness to open up its charging system to non-Tesla vehicles was originally announced alongside a $7.5 billion Biden administration initiative to expand EV charger availability in the US — but that plan heavily indexes on building out CCS chargers.

"This collaboration is a key part of our strategy and an important next step in quickly expanding access to fast chargers for our customers," Barra said in GM's statement on the partnership. "Our vision of the all-electric future means producing millions of world-class EVs across categories and price points, while creating an ecosystem that will accelerate mass EV adoption."

The idea of solar energy being transmitted from space is not a new one. In 1968, a NASA engineer named Peter Glaser produced the first concept design for a solar-powered satellite. But only now, 55 years later, does it appear scientists have actually carried out a successful experiment. A team of researchers from Caltech announced on Thursday that their space-borne prototype, called the Space Solar Power Demonstrator (SSPD-1), had collected sunlight, converted it into electricity and beamed it to microwave receivers installed on a rooftop on Caltech's Pasadena campus. The experiment also proves that the setup, which launched on January 3, is capable of surviving the trip to space, along with the harsh environment of space itself. 

"To the best of our knowledge, no one has ever demonstrated wireless energy transfer in space even with expensive rigid structures. We are doing it with flexible lightweight structures and with our own integrated circuits. This is a first," said Ali Hajimiri, professor of electrical engineering and medical engineering and co-director of Caltech's Space Solar Power Project (SSPP), in a press release published on Thursday. 

The experiment — known in full as Microwave Array for Power-transfer Low-orbit Experiment (or MAPLE for short) — is one of three research projects being carried out aboard the SSPD-1. The effort involved two separate receiver arrays and lightweight microwave transmitters with custom chips, according to Caltech. In its press release, the team added that the transmission setup was designed to minimize the amount of fuel needed to send them to space, and that the design also needed to be flexible enough so that the transmitters could be folded up onto a rocket.

Space-based solar power has long been something of a holy grail in the scientific community. Although expensive in its current form, the technology carries the promise of potentially unlimited renewable energy, with solar panels in space able to collect sunlight regardless of the time of day. The use of microwaves to transmit power would also mean that cloud cover wouldn't pose an interference, as Nikkeinotes.

Caltech's Space Solar Power Project (SSSP) is hardly the only team that has been attempting to make space-based solar power a reality. Late last month, a few days before Caltech's announcement, Japan's space agency, JAXA, announced a public-private partnership that aims to send solar power from space by 2025. The leader of that project, a Kyoto University professor, has been working on space-based solar power since 2009. Japan also had a breakthrough of its own nearly a decade ago in 2015, when JAXA scientists transmitted 1.8 kilowatts of power — about enough energy to power an electric kettle — more than 50 meters to a wireless receiver. 

The Space Solar Power Project was founded back in 2011. In addition to MAPLE, the SSPD-1 is being used to assess what types of cells are the most effective in surviving the conditions of space. The third experiment is known as DOLCE (Deployable on-Orbit ultraLight Composite Experiment), a structure measuring six-by-six feet that "demonstrates the architecture, packaging scheme, and deployment mechanisms of the modular spacecraft," according to Caltech. It has not yet been deployed.

Two employee groups at Amazon have joined together to stage a corporate walk out today, uniting to protest the company's return-to-office policy and to raise concerns about Amazon's climate impact.

Standing in front of Amazon's Seattle Headquarters, the group streamed the event live on Twitter — featuring speakers for both groups advocating for their united cause. Some speakers vented their frustrations with the company's policy to have workers return to the office for at least three days a week, telling stories about how the remote work kicked off by the COVID pandemic bought them precious hours at home with their family and saved them from hours of daily commute time. Another speaker married this idea to the company's climate goals, highlighting how remote work allowed more families to become one-car households. This dovetails into some of the groups' complaints that Amazon is failing to meet its own goals in its climate pledge of reaching zero emissions by 2040.

According to the Amazon Employees for Climate Justice Twitter page, more than 1900 Amazon employees pledged to participate in the walk out. Amazon did not immediately respond to a request for comment. 

Japan and JAXA, the country’s space administration, have spent decades trying to make it possible to beam solar energy from space. In 2015, the nation made a breakthrough when JAXA scientists successfully beamed 1.8 kilowatts of power, enough energy to power an electric kettle, more than 50 meters to a wireless receiver. Now, Japan is poised to bring the technology one step closer to reality.

Nikkei reports a Japanese public-private partnership will attempt to beam solar energy from space as early as 2025. The project, led by Naoki Shinohara, a Kyoto University professor who has been working on space-based solar energy since 2009, will attempt to deploy a series of small satellites in orbit. Those will then try to beam the solar energy the arrays collect to ground-based receiving stations hundreds of miles away.

Using orbital solar panels and microwaves to send energy to Earth was first proposed in 1968. Since then, a few countries, including China and the US, have spent time and money pursuing the idea. The technology is appealing because orbital solar arrays represent a potentially unlimited renewable energy supply. In space, solar panels can collect energy no matter the time of day, and by using microwaves to beam the power they produce, clouds aren’t a concern either. However, even if Japan successfully deploys a set of orbital solar arrays, the tech would still be closer to science fiction than fact. That’s because producing an array that can generate 1 gigawatt of power – or about the output of one nuclear reactor – would cost about $7 billion with currently available technologies.

Last February, the Biden administration unveiled its $5 billion plan to expand EV charging infrastructure across the country. Not only with the Department of Transportation help states build half a million EV charging stations by 2030, the White House also convinced Tesla to share a portion of its existing Supercharger network with non-Tesla EVs. On Thursday, Ford became the first automaker to formalize that pact with Tesla, announcing during a Twitter Spaces event that "Ford electric vehicle customers access to more than 12,000 Tesla Superchargers across the U.S. and Canada," starting in Spring 2024, per the company release.

Because Teslas uses a proprietary charger port design for its vehicles, Ford owners will initially need to rely on a Tesla-developed adapter connected to the public charging cable in order to replenish their Ford F-150 Lightning, Mustang Mach-E and E-Transit vehicles. Ford also announced that, beginning with the 2025 model year, it will switch from the existing Combined Charging System (CCS) port to Tesla's now open-source NACS charge port. These 12,000 additional chargers will join Ford's 84,000-strong Blue Oval charging station network.   

“Tesla has led the industry in creating a large, reliable and efficient charging system and we are pleased to be able to join forces in a way that benefits customers and overall EV adoption,” Marin Gjaja, chief customer officer of Ford Model e, said in the release. “The Tesla Supercharger network has excellent reliability and the NACS plug is smaller and lighter. Overall, this provides a superior experience for customers.”

The Biden administration wants to impose a 30 percent tax on the electricity used by cryptocurrency mining operations, and it has included the proposal in its budget for the fiscal year of 2024. In a blog post on the White House website, the administration has formally introduced the Digital Asset Mining Energy or DAME excise tax. It explained that it wants to tax cryptomining firms, because they aren't paying for the "full cost they impose on others," which include environmental pollution and high energy prices. 

Crypto mining has "negative spillovers on the environment," the White House continued, and the pollution it generates "falls disproportionately on low-income neighborhoods and communities of color." It added that the operations' "often volatile power consumption " can raise electricity prices for the people around them and cause service interruptions. Further, local power companies are taking a risk if they decide to upgrade their equipment to make their service more stable, since miners can easily move away to another location, even abroad. 

It's no secret that the process of mining cryptocurrency uses up massive amounts of electricity. In April, The New York Times published a report detailing the power used by the 34 large scale Bitcoin miners in the US that it had identified. Apparently, just those 34 operations altogether use the same amount of electricity as three million households in the country. The Times explained that most Bitcoin mining took place in China until 2021 when the country banned it, making the United State the new leader. (In the US, New York Governor Kathy Hochul signed legislation that restricts crypto mining in the state last year.) Previous reports estimated the electricity consumption related to Bitcoin alone to be more than some countries', including Argentina, Norway and the Netherlands. 

As Yahoo News noted, there are other industries, such as steel manufacturing, that also use large amounts of electricity but aren't taxed for their energy consumption. In its post, the administration said that cryptomining "does not generate the local and national economic benefits typically associated with businesses using similar amounts of electricity."

Critics believe that the government made this proposal to go after and harm an industry it doesn't support. A Forbes report also suggested that DAME may not be the best solution for the issue, and that taxing the industry's greenhouse gas emissions might be a better alternative. That could encourage mining firms not just to minimize energy use, but also to find cleaner sources of power. It might be difficult to convince the administration to go down that route, though: In its blog post, it said that the "environmental impacts of cryptomining exist even when miners use existing clean power." Apparently, mining operations in communities with hydropower have been observed to reduce the amount of clean power available for use by others. That leads to higher prices and to even higher consumption of electricity from non-clean sources. 

If the proposal ever becomes a law, the government would impose the excise tax in phases. It would start by adding a 10 percent tax on miners' electricity use in the first year, 20 percent in the second and then 30 percent from the third year onwards.