back to article Microsoft signs up to buy electricity produced by fusion, perhaps in 2028

Fusion upstart Helion Energy has named Microsoft as its first customer, and claims the software giant should be able to use electricity made by mashing together helium atoms from 2028. Which may come as a surprise to many, given that nuclear fusion – outside of stars and incredibly destructive bombs – remains largely …

  1. John Robson Silver badge

    Hot air?

    Presumably it's a hot plasma

  2. Alan Bourke

    It's an interesting bet\vote of confidence from MS

    which I hope comes to fruition, but I'm sceptical of the timeframe.

    1. Richard 12 Silver badge

      Re: It's an interesting bet\vote of confidence from MS

      Not really.

      "We'll buy your output at $price if you actually produce anything" isn't a risk.

      If the stuff works, they get energy at a known price. And if it doesn't work, it costs Microsoft nothing at all.

  3. xyz Silver badge

    Psst Microsoft...

    I'm breeding a flock of unicorns... Ready in 5 years. Much cheapness.

    1. Michael Wojcik Silver badge

      Re: Psst Microsoft...

      And they'll be happy to pay you once you deliver a working one. COD.

      As someone noted above, this is not a risk. Microsoft has just promised to buy a little (for them) electricity at a reasonable price in the future, should it be available. Unless the price of electricity drops enormously by then, they're not taking on any risk.

  4. dadbot5000
    Linux

    Fusion is a pipe dream. I cheer the researchers and the things they have learned from this process, but the time, energy and money would be better spent on building safe fission reactors that will actually work.

    1. John Robson Silver badge

      I mean the wheel was pretty neat, but I bet there were grumblings when that was invented as well.

      And as for that "parlour trick" electricity stuff... complete waste of effort.

    2. M.V. Lipvig Silver badge

      We have more than one nuclear engineer running around, can't we do both?

      Besides, even if they made it work this year it will take years of testing as well as designing and building a commercial scale fusion reactor. They probably wouldn't realistically get one online for 20 years. They can build breeder reactors now, and start whittling away at all that reactor waste laying around doing nothing. And, by the time they can build enough fusion reactors to make a difference, our waste from the old reactors should be used up. We'll probably have to run both breeders and fusion at the same time for a while just to deal with the existing waste.

  5. Pascal Monett Silver badge

    Any version of fusion works for me, as long as it works

    Good on Helion for trying to get to fusion in a different way.

    Who knows ? Maybe theirs is the start down the path to hypermatter reactors . . . and turbolasers, and active shields, and swashbuckling nerf herders sassily saying "I know" to princesses (let's not go too deep there, though).

    1. Francis Boyle

      Re: Any version of fusion works for me, as long as it works

      There are a lot of startups these days trying to get fusion to work in as many different ways. I expect one of them at least to suceed.

    2. DS999 Silver badge

      Re: Any version of fusion works for me, as long as it works

      Aneutronic fusion like Helion's would be far better to put into practice. The electricity is directly captured (via alpha particles) rather than making steam to drive a turbine which adds an additional layer of inefficiency. Theoretically aneutronic reactors could be scaled down and down in size as technology improves. Maybe not to where they could fit in a DeLorean, but steam turbines require scale for efficiency so that sort of fusion reactor will never be smaller than utility scale.

      The problem with aneutronic fusion is that it requires even higher temperatures (especially for reactions that don't require He3) but they say the first 100 million degrees is the hardest.

    3. M.V. Lipvig Silver badge

      Re: Any version of fusion works for me, as long as it works

      Yeah, that's a nice fantasy, but for real products coming down the pike you're looking for warp drive, phasers and quantum torpedoes. And the hypersexual green chicks. Can't forget the hypersexual green chicks.

  6. Henry Wertz 1 Gold badge

    Interesting

    Interesting. I note that with fusors, the last research I saw suggested they were near breakeven (where it produces as much power as it consumes) with a large desktop model, with models suggesting scaling it up should have generated net power output. The first scaleup was going to cost $3 million, and second about $10 million.

    This is not a fusor, it's using magnetic constriction; from what I've read that has shown promise too. Will it work? I don't know if they are in the pure R&D stage (still figuring out the possible ways of having it run for more than a few minutes) versus engineering (whether the current prototypes can run for an extended time or not, they know what materials and techniques must be used in a later prototype and ultimately production to have it keep running.)

    LLNL and the like are essentially researching a large-scale reactor, they draw a large amount of power, charging up very high capacity capacitors, release a large burst of power to get a quick even larger burst out. Fusor and I think Helion are smaller-scale designs, they run at lower temps (still high, 100 million degrees plus, this is not some claim of cold fusion...), are much smaller, produce less power but take less power to fire up as well. And of course cost would be much lower, just as with a conventional nuclear power plant some 1GW plant would cost more than a 50MW one.

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