Kemmerer, Wyoming, is a frontier coal town. It was organized in 1897 by coal miners and still employs people in the coal and natural gas industries today.
Photo courtesy TerraPower
TerraPower, a start-up co-founded by Bill Gates to revolutionize designs for nuclear reactors, has picked Kemmerer, Wyoming, as the preferred location for its first demonstration reactor. It aims to build the plant in the frontier-era coal town by 2028.
Constructing the plant will be a job bonanza for Kemmerer, with 2,000 workers at its peak, said TerraPower CEO Chris Levesque in a video call with reporters on Tuesday.
It will also provide new clean-energy jobs to a region dominated today by the coal and gas industry. Today, a local power plant, coal mine, and natural gas processing plant combined provide more than 400 jobs — a sizeable number for a region that has only around 3,000 people.
“New industry coming to any community is generally good news,” Kemmerer Mayor William Thek told CNBC. “You have to understand, most of our nearby towns are 50 miles or more from Kemmerer. Despite that, workers travel those distances every day for work in our area.”
The town of Kemmerer, Wyoming. The statue is of J.C. Penney, as Kemmerer is home of the first Penney store, William Thek, the mayor of Kemmerer told CNBC.
Photo courtesy William Thek
For TerraPower, picking a location was a matter of geological and technical factors, like seismic and soil conditions, and community support, said Levesque.
Once built, the plant will provide a baseload of 345 megawatts, with the potential to expand its capacity to 500 megawatts.
It will cost about $4 billion to build the plant, with half of that money coming from TerraPower and the other half from the U.S. Department of Energy’s Advanced Reactor Demonstration Program.
“It’s a very serious government grant. This was necessary, I should mention, because the U.S. government and the U.S. nuclear industry was, was falling behind,” said Levesque.
“China and Russia are continuing to build new plants with advanced technologies like ours, and they seek to export those plants to many other countries around the world,” Levesque said. “So the U.S. government was concerned that the U.S. hasn’t been moving forward in this way.”
Once built, it should provide power for 60 years, Levesque said.
Natrium plants use liquid sodium as a cooling agent instead of water. Sodium has a higher boiling point and can absorb more heat than water, which means high pressure does not build up inside the reactor, reducing the risk of an explosion.
Also, Natrium plants do not require an outside energy source to operate their cooling systems, which can be a vulnerability in the case of an emergency shut-down. This contributed to the 2011 disaster at the Fukushima Daiichi nuclear plant in Japan, when a tsunami shut down the diesel generators running its back-up cooling system, contributing to a meltdown and release of radioactive material.
An artists rendering of a Natrium power plant from TerraPower.
Photo courtesy TerraPower
Natrium plants can store also heat in tanks of molten salt, conserving the energy for later use like a battery and, enabling the plant to bump its capacity up from 345 to 500 megawatts for five hours.
The plants are also smaller than conventional nuclear power plants, which should make them faster and cheaper to build than conventional power plants. TerraPower aims to get its plants to a cost of $1 billion, a quarter of the budget for the first one in Kemmerer.
“One important thing to realize is the first plant always costs more,” said Levesque.
Finally, Natrium plants produce less waste, a problematic and dangerous by-product of nuclear fission.
‘Times are changing’
The Kemmerer plant still faces a couple of hurdles, including federal permitting.
“There’s a comprehensive licensing process overseen by the Nuclear Regulatory Commission, that, frankly, is expensive. There, there are many, many reviews,” Levesque said.
Also, the fuel that the Natrium plant uses is called high-assay low-enriched uranium, or HALEU, which is not yet available at commercial scale.
“Sadly, we don’t have this enrichment capability in the U.S, today. And this is an area of great concern of the US government, and specifically the Department of Energy,” Levesque said.
But it’s coming, Levesque said. “I’m really certain that we’re going to establish that capability” in another public-private partnership, similar to the way the Natrium power plant demonstration is being built.
Once built, the plant will be turned over to Rocky Mountain Power, a division of Berkshire Hathaway Energy’s PacifiCorp, to operate.
There, it will become part of Rocky Mountain Power’s decarbonization plan.
Coal-fired plants like the Naughton facility in Kemmerer “have benefited our customers for decades with very low cost power,” Gary Hoogeveen, president and CEO of Rocky Mountain Power, said Tuesday. “And we appreciate that. But times are changing,” Hoogeveen said.
“External requirements from the federal government, state governments, regulatory agencies are going to require that we change and we’re going to need to decarbonize and as we go down that path, we see the Natrium project as being incredibly valuable to our customers.”
“Wyoming is a tremendous wind resource state,” Hoogeveen said. And so far, Rocky Mountain Power has built 2,000 megawatts of wind power capacity in Wyoming, and that’s going to grow. “We expect to build many more thousands of megawatts of wind capacity in the state.”
But the nuclear power plant in Kemmerer will be a key bridge for the state, Hoogeveen said.
“It is a great spot for absorbing the intermittency of of the renewable resources and using the storage that’s built in that is so incredibly valuable to us,” he said.
A judge has officially approved a settlement in a case brought by Tesla shareholders against board members who will now have to return stock, cash, and give up on stock options worth a total of nearly $1 billion.
Let me start this article with a quote from Tesla CEO Elon Musk:
Tesla will never settle a case where we’re in the right, and never contest a case where we’re in the wrong.
Today, Chancellor Kathaleen McCormick approved a settlement agreement between Tesla and all its board members from 2017 to 2020 and the Police and Fire Retirement System of the City of Detroit on behalf of Tesla shareholders over what the shareholders believed to be excessive compensation.
The agreement was first reported in July 2023, but it is only now being officially approved and we learn a few more details.
Shareholders believed that members of Tesla’s board were compensating themselves excessively with hundreds of millions of dollars between 2017 and 2020 when the average compensation of a board member of a S&P500 company is just north of $300,000.
Under the settlement, the board members agree to return to Tesla $277 million in cash, $459 million in stock options and to forgo $184 million worth of stock options awarded for 2021-2023.
That adds up to nearly $1 billion.
The board members include Kimbal Musk, Elon’s brother, Brad Buss, Ira Ehrenpreis, Antonio Gracias, Stephen Jurvetson, all close friends of Elon Musk and people who have financial dealings with Musk outside of Tesla, Linda Johnson Rice, Kathleen Wilson-Thompson, Hiromichi Mizuno and Larry Ellison, the co-founder of Oracle Corp and also a close friend of Musk.
As part of the settlement, Tesla or the board does not admit to any wrongdoing.
Musk didn’t take compensation as part of the board, but he is embroiled in a similar case over his own $55 billion CEO compensation package, which was rescinded by the same judge after she found that it wasn’t negotiated or presented to shareholders in good faith.
The board members who received this “excessive compensation” also happened to be the one who “negotiated” Musk’s CEO compensation package.
Despite how cold it may feel outside, Nissan’s electric SUV has likely been through colder. Nissan is proving its Ariya SUV can handle the extreme weather at its unique new test chamber at its tech center near Detroit. With temperatures ranging from -40 to 176 °F, the Ariya is being pushed to see what it’s made of.
Nissan launched the Ariya, its first electric SUV, in the US in late 2022. Over 13,400 Ariya models were sold in the US in its first sales year, with another nearly 20,000 handed over in 2024.
A few weeks ago, Nissan introduced the 2025 Ariya, starting at just $39,770. It has two battery options, 66 or 91 kWh, good for 216 and 289 miles range. That’s for the FWD models.
You can opt for Nissan’s e-4ORCE AWD dual-motor system for “thrilling acceleration” with up to 389 hp and 442 lb-ft of torque. However, with the added power, you sacrifice some range. The AWD Ariya gets up to 272 miles range.
With many parts of the country seeing frigid temperatures, Nissan says its “Ariya is very well equipped” to combat freezing weather.
The electric SUV was already the first vehicle (EV or gas-powered) to drive from the North to the South Pole in 2023. Now, it’s being put through the paces at Nissan’s tech center outside of Detroit.
It’s currently around 23 °F in Detroit, with a low of 11 °F, but Nissan says it’s even colder in its unique new test chamber. The chamber is located at the Nissan Technical Center North America campus, just outside Detroit.
Nissan Ariya handles cold weather tests in new chamber
“Our chambers are capable of temperatures ranging from -40 degrees Fahrenheit to 176 degrees Fahrenheit,” Jeff Tessmer, senior manager of Zero Emission Vehicles at Nissan’s tech center, explained.
Nissan tests the Ariya in a test chamber with “far more extreme” temperatures than the typical driver will see. Tessmer said, “We want to test the worst-case scenario so that our customers will still get the same performance in a wide variety of weather conditions.”
One of the biggest goals is to prove the electric SUV’s battery can maintain charge levels even in extreme weather.
Nissan puts it through “cold soak” tests to ensure performance. During a 24-hour cold soak, the Ariya was parked in -4 °F weather with a 17% battery charge. It also wasn’t plugged in or using its battery heater. After the team returned the next day, the electric SUV still had a 17% charge and started up immediately.
The Ariya is equipped with a battery heater that drivers can turn on ahead of time to ensure optimal performance. On hot days, it includes a liquid-cooled system to regulate battery temperatures.
Drivers can also use the MYNISSAN app to pre-warm the cabin, check the interior temperature, and schedule charging times. Ansu Jammeh, an engineer on Nissan’s Zero Emissions Engineering team, said the best time to use the heating feature is “when the vehicle is plugged in so that it uses power from the grid instead of the vehicle.”
2025 Nissan Ariya trim
Battery (kWh)
Starting Prices* (MSRP)
Range (miles)
Engage FWD
66
$39,770
216
Engage e-4ORCE
66
$43,770
205
Evolve + FWD
91
$44,370
289
Engage + e-4ORCE
91
$45,370
272
Evolve + e-4ORCE
91
$48,370
272
Platinum + e-4ORCE
91
$54,370
267
2025 Nissan Ariya prices and range by trim (*not including a $1,390 destination fee)
Nissan added a new wireless charging pad across all 2025 Ariya models. The inside features Nissan’s Advanced Drive-Assist setup with dual 12.3″ infotainment and driver display screens formed in a “wave-like” shape.
Other standard features of the 2025 model include wireless Apple CarPlay and Android Auto support, a Head-up display, and a Virtual Personal Assistant. It also includes Nissan’s ProPilot Assist for assisted driving.
Florida’s Rice Creek Solar Energy Center is now online, delivering nearly 75 megawatts (MW) of clean electricity to 12 cities across the state. The solar farm is part of the Florida Municipal Solar Project, one of the largest municipal solar initiatives in the US.
Located in Putnam County, near Palatka, the Rice Creek site is covered with 213,000 solar panels that generate enough power for around 14,000 homes. This marks the third solar site in the Florida Municipal Solar Project, with more on the way.
Twelve utilities are tapping into the clean energy from Rice Creek, including Beaches Energy Services (Jacksonville Beach), Fort Pierce Utilities Authority, Homestead, Keys Energy Services in Key West, Kissimmee Utility Authority, Lake Worth Beach, Mount Dora, New Smyrna Beach Utilities, Newberry, Ocala, Town of Havana, and Winter Park. This is the first solar power project for Havana, New Smyrna Beach, and Newberry.
Jacob Williams, the general manager of the Florida Municipal Power Agency, explained, “By working together, our members and their communities benefit from additional solar-powered energy that’s both cost-effective and carbon-free.”
The FMPA, based in Orlando, coordinates the project, while the 12 municipal utilities – who are also FMPA’s member-owners – purchase the power. Miami-based Origis Energy is the builder, owner, and operator of Rice Creek. According to Origis Energy’s Josh Teigiser, “We are honored to support this FMPA work. Long-term agreements for solar generation, including for Rice Creek Solar, provide a stable rate base contributing to lower and more predictable customers’ bills.”
Construction is already underway on a fourth Florida solar farm, Whistling Duck Solar, in Levy County. The Florida Municipal Solar Project is expected to grow to seven sites in the next few years and will generate a total of around 525 MW of clean energy.
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