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Over the last two months, a first-of-a-kind project has taken shape at an industrial site in Nevada: the worlds largest microgrid built with used EV batteries, designed to power an adjacent data center.Its the first of a series of microgrids planned by Redwood Materials, the battery recycling company now valued at more than $5 billion. The company is taking in a quickly-growing volume of used EV batteriestens of thousands over the last year, and perhaps hundreds of thousands over the next 12 months. Most of those batteries still have enough capacity to have a second life before the materials are recycled. And they could help deal with a major energy challenge: how new data centers can come online quickly and cheaply without straining the grid and significantly adding to climate emissions.The amount of batteries coming back that have usable life and that are relatively more cost-efficient to deploy has ramped up dramatically in just the last year or two, says JB Straubel, CEO of Redwood Materials. The company announced its new energy business arm at an event on June 26.[Photo: Redwood Energy]Straubel, one of Teslas cofounders, left the automaker in 2019 to help build a new U.S. supply chain of critical battery materials using the growing pile of battery waste. Last year, the company started commercial production of cathode active material, one key component in batteries, from recycled materials. Its recycling business is already profitable; it generated $200 million in revenue last year. But it also recognized the huge opportunity to put some batteries to work again. [Image: Redwood Materials]How EV batteries can find a second lifeWhen a battery is in a car or a truck, its a pretty demanding application, Straubel says. You need a lot of power capability. You really want to charge quickly, usually, so you can go to fast charge stations. And you also need a pretty high percent of your overall initial range that you purchased in the car. But even when a battery has lost so much capacity that it no longer makes sense for driving, it can still be used to store energy. In that application, charging and discharging can happen slowly. A battery might only have half of its original capacity, but can still reliably support the grid or a microgrid. In some cases, it could be used for years before its eventually recycled.In the new microgrid, on Redwoods campus near Reno, more than 800 used EV batteries are connected to 20 acres of solar panels. It has enough power to run a new AI data center on the site, built by Crusoe, a company that designs and deploys low-carbon compute infrastructure.The data center operates fully off the grid, without an external backup. We still expect [the microgrid] to be very, very reliable, Straubel says. In some cases, it might be more reliable, because we have less failure points. To make it possible to avoid the grid completely, the team built a relatively large amount of solar power and large battery capacity. In other cases, the company will build microgrids that do have a grid connection, but allow data centers to run on their own renewable energy most of the time. Some projects could also be built with backup from gas generators. But there are advantages to off-grid renewable projects.[Photo: Redwood Energy]Why companies want to go off the gridOff-grid projects are faster than other alternatives. Right now, the wait time for a new gas turbine can be as long as seven years. Connecting large new renewable energy projects to the grid also takes years because of long delays in the permitting process. A self-contained microgrid can avoid waiting in the interconnection queue. And if its fully renewable, like the project from Redwood and Crusoe, it can also avoid the long process to get air quality permits. All that a project needs is simple construction permits. The process to build can also happen quickly. (Crusoes own data center infrastructure, which uses modular, self-contained small units, is also fast to deploy. The new data center is already running in test mode and will be available for Crusoes cloud customers to use in the coming weeks.)Because renewable energy is cheap, and Redwoods battery system is also affordable, the microgrids can compete head to head with fossil fuels. Were seeing prices now that I think are below what you can do with the gas microgrid, says Straubel. All of this means that even if a tech company doesnt have sustainability as its first priority when it builds a new data center, the microgrid can still be a compelling choice. It seems that in this moment, speed and power availability is the number-one topic, Straubel says. Maybe number two would be overall economics. Number three is sustainability. Not to say that people dont care about thatI feel that most of our customers care quite deeply about it. But theres a lot of pressure for everyone to grow fast and balance all these other constraints while doing it.[Photo: Redwood Energy]The potential for scaleData center providers that want to use solar power need to find land in the right location. But one recent analysis found that there was more than enough available land in the U.S. to support the massive energy demand from new data centersfar more than even high-end projections that say that we may need a staggering 300 gigawatts of new energy by 2030 to cover growth. That analysis looked at the feasibility of microgrids that were 90% renewable and 10% gas-powered. But it mapped out potential sites in detail, and points to areas that could also potentially be used for 100% renewable projects.Redwood is already working on other microgrids for other data centers. And over time, as more used EV batteries become available, they can play a greater role for the grid overall. The volumes in the automotive and transportation sector are so much higher than in the grid sector, Straubel says. Over the long term, I believe that EV batteriestrucks, cars, robotaxis, all of itwill have an extremely significant role to play in really all bulk energy storage.It can help the cost of energy storage come down, which is key to helping renewables fully scale up. Renewables are our cheapest source of generation today, he says. And I think thats only going to expand. But theyre intermittent. We have to find a cost-efficient way to deliver firm, reliable, renewable energy if we have a hope of scaling it. And to me, that is really the long-term main application.
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The AI landscape is evolving rapidly and its important to keep up. No one can afford to stay out of the loop on AI, so here are five new books to fill you in on the latest updates, concerns, and uses of this world-changing technology. AI First: The Playbook for a Future-Proof Business and Brand By Adam Brotman & Andy Sack In AI First, youll hear from a whos who of tech visionaries who spoke with the authors, including Sam Altman himself, Bill Gates, and Reid Hoffman, sharing how theyre thinking of the transition to the new reality. Listen to the Book Bite summary, read by authors Adam Brotman and Andy Sack, or view on Amazon. The AI Con: How to Fight Big Techs Hype and Create the Future We Want By Emily Bender & Alex Hanna A smart, incisive look at the technologies sold as artificial intelligence, the drawbacks and pitfalls of technology sold under this banner, and why its crucial to recognize the many ways in which AI hype covers for a small set of power-hungry actors at work and in the world. Listen to the Book Bite summary, read by authors Emily Bender and Alex Hanna, or view on Amazon. More Everything Forever: AI Overlords, Space Empires, and Silicon Valleys Crusade to Control the Fate of Humanity By Adam Becker How Silicon Valleys heartless, baseless, and foolish obsessionswith escaping death, emergent AI tyrants, and limitless growthpervert public discourse and distract us from real social problems. Listen to the Book Bite summary, read by author Adam Becker, or view on Amazon. AI Valley: Microsoft, Google, and the Trillion-Dollar Race to Cash In on Artificial Intelligence By Gary Rivlin A veteran Pulitzer Prize-winning journalist shadows the top thinkers in the field of Artificial Intelligence, introducing the breakthroughs and developments that will change the way we live and work. Listen to the Book Bite summary, read by author Gary Rivlin, or view on Amazon. More Human: How the Power of AI Can Transform the Way You Lead By Rasmus Hougaard & Jacqueline Carter AI has the potential to transform leadership and the human experience of workor to lead us into an automated and uninspiring work reality. Which one will it be? Listen to the Book Bite summary, read by coauthor Rasmus Hougaard, or view on Amazon. This article originally appeared in Next Big Idea Club magazine and is reprinted with permission.
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Employees are in a burnout crisis. A 2023 Mercer report found that 82% of workers were at risk of burnout. Overworked employees say they need time off, work-life balance, and flexibility. But the same report noted only 32% of leaders thought reducing employee burnout was important. Still, some companies are getting wildly innovative with their well-being perks. Last week, Deloitte made headlines for a new approach: offering its staffers $1,000 to purchase Legos and puzzles. While some employees might argue they’d prefer time off, or a raise, Deloitte isn’t the only company to try a quirky new approach to improving employee well-being. Here are five offbeat benefits companies are offering. 1. Pawternity leave Bringing home a new human is a whirlwind of joy, excitement, and pure exhaustion, and companies are well-versed in granting leave (paid and unpaid) to employees who have had a baby. On the other hand, providing time off for bringing home a new pet is pretty atypical. Still, some companies, who clearly value pets, have offered time off for adopting a new fur baby. New York-based data company mParticle offers PTO to employees who adopt a rescue dog. It also allows employees to bring their pups to work. Likewise, Minneapolis marketing firm Collective Measures allows pet owners to work from home for the first week after bringing home a new cat or dog. While pawternity leave might be new, many companies have become more pet-friendly, including Amazon. The company’s Seattle headquarters allows dogs and caters to pups with an entire floor designed for them. The workplace also built a dog park (open to the public) on company grounds. 2. All-expenses-paid vacations Burned-out employees say they could use more time off. How about having a vacation paid in full by your company? If you work for Airbnb, this desirable benefit can be yours. The vacation rental platform helps staff take vacations by giving them travel stipends. And those stipends aren’t piddly either. Airbnb employees receive $2,000 per year ($500 per quarter) to spend on travel bookings. “Our benefits are centered around our Live and Work Anywhere policy, prioritizing flexibility to meet individual needs,” Airbnb’s career page reads. “Employees receive quarterly travel credits, an annual educational stipend, and a quarterly Live and Work Anywhere allowance, empowering them to enhance their lives professionally and personally as desired.” BambooHR, a human resources company, offers the same perk with its “Paid Paid Vacation” policy. Employees receive $2,000 that can be used to pay for hotels and airfare. 3. Home-cleaning services Keeping your home clean takes time and energy. And if you spend a lot of time at the office (or on work-related tasks), housecleaning can easily fall by the wayside. But California-based staffing company Akraya offers a perk designed to help keep employees’ homes spotless, and the stress at bay. Akraya offers professional housecleaning services to all employeesand not just once in a while. Every two weeks we have a cleaning service that goes to our employees homes. . . . I dont know of any other company that has [that benefit], cofounder and CEO Amar Panchal told Staffing Industry Analysts. Panchal got the idea after talking with an employee who was tired from spending the weekend keeping up with housework. 4. Snow(boarding) days Many of us enjoyed snow days as school-age children. But most companies don’t provide time off when the white stuff comes down. Burlington, Vermont-based Burton isnt most companies. The snowboard maker offers “snow days” for its employeeswith one rule: They have to hit the slopes. Per Entrepreneur, whenever there’s a big storm, Burtons offices close and employees are encouraged to get out and snowboard, which is, after all, what the brand is all about. In addition to snow days, employees get majorly discounted lift tickets, season passes, demo gear, and more. 5. Unlimited ice cream Ben & Jerry’s, the Vermont-based ice cream company known for its lovable flavors and outspoken founders, is a pretty sweet place to work. Not only is the atmosphere casual, dog-friendly, and seemingly full of joy, it also offers employees virtually unlimited ice cream. Employees say they’re allowed to take home three pints each and every day, though when new flavors roll in, they have to hustle. “Even though we get three pints a day as a sweet work perk, its always a mad rush to the freezers when a new flavor comes in,” the company website reads. “And camping out overnight to be first in line is, well, frowned upon.” With all the ice cream offerings, it’s no wonder Ben & Jerry’s was ranked Vermont’s Most Coveted Employer this year.
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