Bill Gates & Warren Buffett To Build A New Kind Of Nuclear Reactor — Is That Good News?
Bill Gates and Warren Buffett want to build a new kind of nuclear reactor to generate electricity. Why? Because the wind doesn’t always blow and the sun doesn’t always shine. They intend to plunk their new toy down in the state of Wyoming on the former site of a coal-fired generating plant.
“This is our fastest and clearest course to becoming carbon negative,” says Wyoming’s governor Mark Gordon. “Nuclear power is clearly a part of my all-of-the-above strategy for energy.” Wyoming is the top coal producing state in America.
According to The Guardian, the new facility will be a joint venture between TerraPower, founded by Gates 15 years ago, and PacifiCorp, a Berkshire Hathaway-owned utility that serves customers in Wyoming, Idaho, Utah, California, Oregon, and Washington.
Small advanced reactors, which run on different fuels than traditional reactors, are regarded by some as a critical carbon-free technology that can supplement intermittent power sources like wind and solar as states strive to cut emissions that cause climate change. “We think Natrium will be a game-changer for the energy industry,” Gates told a media conference in Cheyenne, Wyoming this week.
PacifiCorp service area. Image credit: SEC
345 Megawatts
The Guardian says the new generating station will produce 345 megawatts of electricity, but the output can be boosted by a molten salt energy storage component to 500 megawatts. The primary feature of the so-called Natrium technology is that it uses sodium to cool the reactor instead of water. Natrium is the Latin word for sodium, which is why its symbol on the periodic table of elements is Na.
Chris Levesque, TerraPower CEO, told the press this week the demonstration plant will cost about $1 billion and will take about seven years to build. “We need this kind of clean energy on the grid in the 2030s,” he told reporters. Actually, Chris, we need clean energy on the grid now, not 7+ years from now. A billion dollars would buy more than 500 MW of power and have it online, together with grid storage batteries, in a lot less time. Why wait?
Natrium Technology
I am not a nuclear engineer nor am I a rocket scientist, so I have to rely on Wikipedia to inform me about some things (I contribute $5 a month to support Wikipedia and encourage you to do the same).
Here is what I found out:
Image credit: Wikimedia/Public Domain
Advantages
The primary advantage of liquid metal coolants, such as liquid sodium, is that metal atoms are weak neutron moderators. Water is a much stronger neutron moderator because the hydrogen atoms found in water are much lighter than metal atoms, and therefore neutrons lose more energy in collisions with hydrogen atoms.
This makes it difficult to use water as a coolant for a fast reactor because the water tends to slow (moderate) the fast neutrons into thermal neutrons (though concepts for reduced moderation water reactors exist).
Another advantage of liquid sodium coolant is that sodium melts at 371K and boils / vaporizes at 1156K, a total temperature range of 785K between solid / frozen and gas / vapor states. By comparison, the liquid temperature range of water (between ice and gas) is just 100K at normal, sea-level atmospheric pressure conditions. Despite sodium’s low specific heat (as compared to water), this enables the absorption of significant heat in the liquid phase, even allowing for safety margins. Moreover, the high thermal conductivity of sodium effectively creates a reservoir of heat capacity which provides thermal inertia against overheating.
Sodium also need not be pressurized since its boiling point is much higher than the reactor’s operating temperature, and sodium does not corrode steel reactor parts.[2] The high temperatures reached by the coolant (the Phénix reactor outlet temperature was 560° C) permit a higher thermodynamic efficiency than in water-cooled reactors. The molten sodium, being electrically conductive, can also be pumped by electromagnetic pumps.
Disadvantages
A disadvantage of sodium is its chemical reactivity, which requires special precautions to prevent and suppress fires. If sodium comes into contact with water it reacts to produce sodium hydroxide and hydrogen, and the hydrogen burns when in contact with air.
This was the case at the Monju Nuclear Power Plant in a 1995 accident. In addition, neutron capture causes it to become radioactive; however, activated sodium has a half-life of only 15 hours. Another problem is sodium leaks which are regarded by a critic of fast reactors, M.V. Ramana, as “pretty much impossible to prevent.”
Fuel Used
Wikipedia adds that a natrium facility that generates less than 500 MW of electricity uses “uranium-plutonium-minor-actinide-zirconium metal alloy fuel, which is supported by a fuel cycle based on pyrometallurgical reprocessing in facilities integrated with the reactor.” I don’t know about you, but the words “uranium” and “plutonium” don’t sound like “different fuels compared to traditional nuclear reactors.”
The Guardian points out that nuclear power experts have warned that advanced reactors could have higher risks than conventional ones. Fuel for many advanced reactors would have to be enriched at a much higher rate than conventional fuel, meaning the fuel supply chain could be an attractive target for militants looking to create a crude nuclear weapon. And don’t even be concerned about Russian hackers. We know those malefactors only like to interrupt gasoline pipelines and beef processing plants. Pooty Poot and his henchmen would never stoop so low as to hack a nuclear power plant…would they?
People always rush to criticize Tesla for selling emissions credits, but no one wants to talk about the $80 million the US Department of Energy has already invested in TerraPower with millions more coming in the future. No one would expect Bill Gates and Warren Buffett — two of the richest white men in history — to foot the bill for their boondoggles all by themselves, would they?
All Of The Above
The key to understanding this story is found in Governor Gordon’s use of the words “all of the above.” That’s free market speak for “We’re happy to have a piddly little 350 MW facility of over here, just so long as we can continue supporting coal- and gas-powered generating plants that churn out hundreds of gigawatts over there.” In other words, it’s a smokescreen designed to allow fossil fuel interests to kick the can down the road a little further and add some greenwashing to their corporate portfolios at the same time.
Being rich does not necessarily make a person all that smart. America needs more nuclear power like a fish needs a bicycle. People in Wyoming may be fooled by this blather, but CleanTechnica readers aren’t taking the bait. Natrium was probably selected as the name of thus new nuclear technology because it sounds a little like “nature” or “natural.” That’s a great marketing ploy, but we’re not buying it. Frankly, the Bill and Warren show is more than a little disappointing.
Climate XChange’s Annual EV Raffle is back for the 10th year running – and for the first time ever, Climate XChange has two raffle options on the table! The nonprofit has helped lucky winners custom-order their ideal EVs for the past decade. Now you have the chance to kick off your holiday season with a brand new EV for as little as $100.
About half of the raffle tickets have been sold so far for each of the raffles – you can see the live ticket count on Climate XChange’s homepage – so your odds of winning are better than ever.
But don’t wait – raffle ticket sales end on December 8!
Climate XChange is working hard to help states transition to a zero-emissions economy. Every ticket you buy supports this mission while giving you a chance to drive home your dream EV.
Here’s how Climate XChange’s 10th Annual Raffle works:
The Luxury Raffle
- Grand Prize: The winner can choose any EV on the market, fully customized up to $120,000. This year, you can split the prize between two EVs if the total is $120,000 or less.
- Taxes covered: This raffle comes with no strings – Climate XChange also pays all of the taxes.
- Runner-up prizes: Even if you don’t win the Grand Prize, you still have a chance at the 2nd prize of $12,500 and the 3rd prize of $7,500.
- Ticket price: $250.
- Grand Prize Drawing: December 12, 2025.
- Only 5,000 tickets will be sold for the Luxury Raffle.
The Mini Raffle (New for 2025)
- Grand Prize: Choose any EV on the market, fully customized, up to $45,000. This is the perfect raffle if you’re ready to make the switch to an EV but aren’t in the market for a luxury model.
- Taxes covered: Climate XChange pays all the taxes on the Mini Raffle, too.
- Ticket price: $100.
- Only 3,500 tickets will be sold for the Mini Raffle.
Why it’s worth entering
For a decade, Climate XChange has run a raffle that’s fair, transparent, and exciting. Every ticket stub is printed, and the entire drawing is live-streamed, including the loading of the raffle drum. Independent auditors also oversee the process.
Plus, your odds on the Luxury and Mini Raffles are far better than most car raffles, and they’re even better if you enter both.
Remember that only 5,000 tickets will be sold for the Luxury Raffle and only 3,500 for the Mini Raffle, and around half of the available tickets have been sold so far, so don’t miss your shot at your dream EV!
Climate XChange personally works with the winners to help them build and order their dream EVs. The winner of the Ninth Annual EV Raffle built a gorgeous storm blue Rivian R1T.
How to enter
Go to CarbonRaffle.org/Electrek before December 8 to buy your ticket. Start dreaming up your perfect EV – and know that no matter what, you’re helping accelerate the shift to clean energy.
Who is Climate XChange?
Climate XChange (CXC) is a nonpartisan nonprofit working to help states pass effective, equitable climate policies because they’re critical in accelerating the transition to a zero-emissions economy. CXC advances state climate policy through its State Climate Policy Network (SCPN) – a community of more than 15,000 advocates and policymakers – and its State Climate Policy Dashboard, a leading data platform for tracking climate action across the US.
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The CSC Monterey – one of the most charming little electric scooters on the US market – has dropped to a shockingly low $1,699, down from its original $2,899 MSRP. That’s nearly half off for a full-size, street-legal electric scooter that channels major Honda Super Cub energy, but without the gas, noise, or maintenance of the original.
CSC Motorcycles, based in Azusa, California, has a long history of importing and supporting small-format electric and gas bikes, but the Monterey has always stood out as the brand’s “fun vibes first” model. With its step-through frame, big retro headlight, slim bodywork, and upright seating position, it looks like something from a 1960s postcard – just brought into the modern era with lithium batteries and a brushless hub motor.
I had my first experience on one of these scooters back in 2021, when I reviewed the then-new model here on Electrek. I instantly fell in love with it and even got one for my dad. It now lives at his place and I think he gets just as much joy from looking at it in his garage as riding it.
You can see my review video below.
The performance is solidly moped-class, which is exactly what it’s designed for. A 2,400W rear hub motor pushes the Monterey up to a claimed 30 mph or 48 km/h (I found it really topped out at closer to 32 mph or 51 km/h), making it perfect for city streets, beach towns, and lower-speed suburban routes.
A 60V, roughly 1.6 kWh removable battery offers around 30–40 miles (48-64 km) of real-world range, depending on how aggressively you twist the throttle. It’s commuter-ready, grocery-run-ready, and campus-ready right out of the crate.
It’s also remarkably approachable. At around 181 pounds (82 kg), the Monterey is light for a sit-down scooter, making it easy to maneuver and park. There’s a small storage cubby, LED lighting, and the usual simple twist-and-go operation. And it comes with full support from CSC, a company that keeps a massive warehouse stocked with components and spare parts.
My sister has a CSC SG250 (I’m still trying to convert her to electric) and has gotten great support from them in the past, including from their mechanics walking her through carburetor questions over the phone. So I know from personal experience that CSC is a great company that stands behind its bikes.
But the real story here is the price. Scooters in this class typically hover between $2,500 and $4,500, and electric retro-style models often jump well above that.
At $1,699, the Monterey is one of the least expensive street-legal electric scooters available from a reputable US distributor, especially one that actually stocks parts and provides phone support.
If you’ve been curious about swapping a few car errands for something electric – or you just want a fun, vintage-styled runabout for getting around town – this is one of the best deals of the year.
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In the Electrek Podcast, we discuss the most popular news in the world of sustainable transport and energy. In this week’s episode, we discuss a big Tesla Robotaxi setback, the new Mercedes-Benz CLA EV, Bollinger is over, and more.
Today’s episode is brought to you by Climate XChange, a nonpartisan nonprofit working to help states pass effective, equitable climate policies. Sales end on Dec. 8th for its 10th annual EV raffle, where participants have multiple opportunities to win their dream model. Visit CarbonRaffle.org/Electrek to learn more.
The show is live every Friday at 4 p.m. ET on Electrek’s YouTube channel.
As a reminder, we’ll have an accompanying post, like this one, on the site with an embedded link to the live stream. Head to the YouTube channel to get your questions and comments in.
After the show ends at around 5 p.m. ET, the video will be archived on YouTube and the audio on all your favorite podcast apps:
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Here are a few of the articles that we will discuss during the podcast:
Here’s the live stream for today’s episode starting at 4:00 p.m. ET (or the video after 5 p.m. ET:
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