Fusion Power: How Long to Solve & Commercialize? | Expert Q&A

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Discussion Overview

The discussion revolves around the timeline and financial implications of solving and commercializing fusion power, particularly in the context of an all-out crash program. Participants explore the challenges, risks, and historical perspectives on fusion development.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant suggests that a crash program could take at least 30 years, referencing a historical pattern of similar predictions.
  • Another participant argues that commercialization may not occur before 2070, citing the current status of ITER and future plans for DEMO.
  • A different viewpoint emphasizes the need for significant training of new scientists and engineers, estimating that this could take 10 years, followed by another 10 years to address technical challenges and unknown risks, leading to a total of 30 years.
  • One participant compares the uncertainty in predicting fusion timelines to the unpredictability of eradicating cancer, highlighting the difficulty in making accurate forecasts.
  • Another comment reflects on the recurring nature of the 20 to 30-year timeline in fusion discussions over the past decades.

Areas of Agreement / Disagreement

Participants express differing views on the timeline for fusion commercialization, with no consensus reached. Some believe it could take until 2070 or longer, while others suggest a 30-year timeframe is plausible under certain conditions.

Contextual Notes

Participants acknowledge the complexity of the challenges involved in fusion power development, including the need for training and the unpredictability of technological advancements and risks.

Who May Find This Useful

This discussion may be of interest to researchers, policymakers, and students in the fields of physics, engineering, and energy policy, as well as anyone following advancements in fusion technology.

wildman
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That last thread on Fusion was interesting. Now I have a question for the experts:

How long would it take to solve and commercialize fusion power problems given an all out crash program? And how much money would that represent? What would be the risk factor of out right failure? Thanks!
 
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30 years ! Must be a good number, because that's already 50 years that one answers that question with "30 years" :redface:

No, seriously, I think people became smarter, and don't make such prognoses anymore. I'd say, don't count on it before 2070, because ITER just started, and if all goes well, after ITER they'll try to make DEMO.
 
For IFE, a truly all-out crash program would have to train a lot of new scientists and engineers in a complex field, and that would have to take at least 10 years. Another 10 to solve the formidable technical challenges, and another 10 to cover unknown risks, and I get... hmm, 30 years. I have no idea what this would cost, but given unlimited funding and an Apollo-like focus I think it's technically possible.
 
vanesch said:
No, seriously, I think people became smarter, and don't make such prognoses anymore. I'd say, don't count on it before 2070, because ITER just started, and if all goes well, after ITER they'll try to make DEMO.
vanesch,

People have been saying 20 to 30 years for the past 50 years.

It's a little like asking "How long will it take to completely eradicate cancer?"

Until you actually do it - and know what it takes to do it - you can't answer the question.

Dr. Gregory Greenman
Physicist
 
The time until fusion becomes commercialized is another constant in fusion. :smile:
 

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