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Small modular nuclear reactors get a reality check in new report (newatlas.com)

submitted 5 months ago by machinin@lemmy.world to c/technology@lemmy.world

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[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."

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[–] jabjoe@feddit.uk 6 points 5 months ago* (last edited 5 months ago)

Not to mention slow to build. Takes about a decade to get a nuclear plant going. If that is replacing coal, you are burning that coal during construction. The CO2 cost of that should be taken into account when comparing to much quicker renewables (approx 2 years). Also pouring all that concrete. Once it's build, sure it's green, but that is expensive, takes ages and comes with a big CO2 cost to get going.

Or you go renewable now, turn the filthy coal off about 8 years sooner and save a ton of money and CO2 right now.