Bob Mumgaard
CEO of Commonwealth Fusion Systems
3
APPEARANCES
3
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Jul 20, 2026
Is fusion power here at last? The imagined energy of the future is becoming very real right now
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Bob MumgaardGUEST
Yeah, and so that's designed to give us the last pieces of data that we need so that we can freeze the design of the f- the first generation of power plant, and that's called ARC.

Bob MumgaardGUEST
And that's something that we've been working on at the company and, and, and our, our academic and university partners for a- about, um, o- over 10 years of all the little details and building the supply chain toward it and, and, you know, SPARC gets us a, a lot of the way there and gives us the last data when it operates.

Bob MumgaardGUEST
That first, the first one of those plants, that will be built in Virginia in, uh, just south of Richmond.

Bob MumgaardGUEST
It's called Fall Line Fusion Power Station, in partnership with Dominion, large utility.
23 MINS LATER

Ed CrooksHOST
So question: What is the realistic future for fusion? Is it gonna be a bit like that, where it'll be kind of part of a mix and will operate alongside fossil plants and solar and wind and whatever else, or do you think it really has the capability to displace everything else and become, as I say, essentially the predominant source of power generation that everybody uses in the world? Think big.
The Power Play: Is Fusion Nearing a Kitty Hawk Moment?
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Daleep SinghHOST
So is the bet you're making that we're gonna have chronic energy shortfalls for decades to come, not just from AI, but a whole range of other verticals?

Bob MumgaardGUEST
And, like, if you just look at the future projections of electricity use globally, you know, they are up and to the right.

Bob MumgaardGUEST
You know, the world is electrifying, and we need m- more electricity to do things like, like data centers.

Bob MumgaardGUEST
Like, today actually data centers are, are a relatively small part of electricity, but they're, they're the fastest growing part, thus a lot of hand-wringing.
12 MINS LATER
Nuclear fusion and the new energy arms race, with CFS’ Bob Mumgaard
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Bob SafianHOST
improbable breakthrough resource the scale of cfs raising over three billion dollars indicates that maybe we're moving from hope toward reality can you start us off by explaining what fusion energy is the difference between fusion and fission fission is what drives existing nuclear power plants and nuclear weapons can can you can you ground us in that

Bob MumgaardGUEST
So in that process, the lightest elements, the most common elements in the universe, they're combined together to create heavier elements.
17 MINS LATER

Bob SafianHOST
who are not as steeped in this world as you are, what's your vision of what a fusion future for all of us looks like?