Small modular nuclear reactors get a reality check in new report

https://lemmy.world/post/16046385

Small modular nuclear reactors get a reality check in new report - Lemmy.World

>[T]he report’s executive summary certainly gets to the heart of their findings. >“The rhetoric from small modular reactor (SMR) advocates is loud and persistent: This time will be different because the cost overruns and schedule delays that have plagued large reactor construction projects will not be repeated with the new designs,” says the report. “But the few SMRs that have been built (or have been started) paint a different picture – one that looks startlingly similar to the past. Significant construction delays are still the norm and costs have continued to climb.”

So looking at the article it seems to be against small scale traditional (fission/boiler) systems. Which are fair game. They were pretty much outdated over 50 years ago. I would be more interested in studies on dispersed Thorium Reactors which held far more potential as little as a decade ago.

Nuclear technologies missed their window. The use cases where they are the best technical solution now are extremely limited, and that means you can get the investment going to improve them.

It’s a curiosity now.

From where I stand you couldn’t be further from the reality of the situation.

Nuclear has a number of advantages from low carbon output per kilowatt over lifetime as well as being extremely cheap per kilowatt.

But the real advantage being overlooked is the small foot print and land use compared to other forms power generation. A nuclear reactor is ideal for high density population areas, adding no pollution like fossil fuels and using a fraction of the land that renewables require. And there is room for overlap between renewables and nuclear as well, meaning days where wind or solar would produce more power than usual, its easy to scale back solar production to take advantage of cheaper power, and vice versa for times when renewables aren’t going to generate enough to meet demand nuclear can increase their output relatively quickly and effectively.

The future of nuclear is however one of the most important. We are eventually going to be spending humans to other planets, and having mature, efficient and compact forms of power generation with long lifetimes and minimal start up power from idle states is going to be important, solar gets less effective the further from the sun we get, you can’t stick a wind turbine on a space craft and expect good results, and you’re out of your mind if you want to burn fossil fuels in an oxygen limited environment.

Treating nuclear as more than a curiosity but rather as the genuine lifeline and corner stone of our futures and future generations is significantly more important than fossil fuel profits today and all their propaganda.

as well as being extremely cheap per kilowatt.

What? How?

When costs are level per kilowatt over lifetime Nuclear is cheaper thanks to economies of scale, it’s only more expensive when plants are restricted by local authorities in how much they can produce in a given cycle so that other power generators in the energy sector can fill their contracts. When these artificial caps are removed and the plant is allowed to operate as intended and no kneecapped to allow coal and oil plants to operate at their peak effeciency rates, nuclear drops below .10USD. And thats using outdated equipment and maintaining the absurdly high safety standards saddled upon them despite being the safest form of power production bar none.

When these artificial caps are removed and the plant is allowed to operate as intended and no kneecapped to allow coal and oil plants to operate at their peak effeciency rates, nuclear drops below .10USD.

Wholesale or retail cost? Either way, that’s not especially cheap compared to renewables.

Nuclear may be cost competitive with putting solar panels in space at this point. Granted, that’s back of the envelope costs for a hypothetical space based solar system compared to nuclear plants that already exist. But the fact that they’re close is not a good sign for nuclear.

Plants will take 10 years to build, at least. If every permit was signed today, there wouldn’t be a single GW of this new nuclear going on the grid until 2034. We’re aiming for major reduction in CO2 by 2030. Oh, and the huge amount of concrete needed would create a massive spike in CO2 by itself. Timeline issues alone kill nuclear before it starts.

Edit: fixing autocorrect’s corrections