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First New US Nuclear Reactor In Two Decades Gets Permission To Begin Fueling (ieee.org)

An anonymous reader writes: The Tennessee Valley Authority's Watts Bar nuclear power plant began construction in 1973. The plant's first reactor was completed in 1996, and it began operation. Work on the second reactor paused in 1988, and only resumed in 2007. That reactor is now complete — the first newly-operational Generation II reactor since the 1990s. The new reactor has been granted an operational license, and it will soon begin fueling. While the Gen II reactors aren't unsafe, they're much less safe than the Gen III AP1000s. "Compared to a Westinghouse Gen II PWR, the AP1000 contains 50 percent fewer safety-related valves, 35 percent fewer pumps, 80 percent less safety-related piping, 85 percent less control cabling, and 45 percent less seismic building volume. ... If an accident happens, the AP1000 will shut itself down without needing any human intervention (or even electrical power) within the first 72 hours."

6 of 167 comments (clear)

  1. Stupid by Nemyst · · Score: 4, Insightful

    This is what the stupid scaremongering of the media, some politicians and many environmentalists ends up causing: instead of building Gen III or even Gen IV plants, we're finishing ancient Gen II plants because that's all that's been approved, decades ago. They are quite literally the cause for nuclear energy's relative safety concerns.

    If the government could make its mind up and stop wasting time, the US could rapidly diminish and even eliminate its reliance on fossil fuels without even having to suffer through energy shortages. Allow breeder reactors on top and you'd also eliminate the whole nuclear waste scare while being that much more efficient and cost-effective.

    1. Re: Stupid by LWATCDR · · Score: 3, Insightful

      "Yeah but won't someone thingof the oil company execs and investors? This nuclear shit is going to fuck them over."
      Funny how such a stupid post get a 3.
      Less than 3% of the electricity in the US comes from oil.
      Coal, and natural gas are the two big fossil fuels used for electrical power in the US. While you do have some cross over between oil and natural gas it is not 100% as far as companies.
      BTW the same thing holds true for anyone that says that solar and wind will help cut the US's dependence on foreign oil.
      They are lying.

      --
      See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
  2. Re:Less Valves etc by fustakrakich · · Score: 5, Insightful

    My car has two doors, does that make it less safe then a car with 4 doors?

    Well yeah, if you had to go through all of them to get out...

    --
    “He’s not deformed, he’s just drunk!”
  3. Less is more? by Dereck1701 · · Score: 3, Insightful

    The article goes on for quite a bit about how much less "safety related hardware" newer plant designs have but I highly doubt that that says anything about how safe a reactor is or not. What DOES make a difference is fail safes, regular inspections, backups, emergency response plans, all with a design double checked by someone with a high school level of common sense. What has caused most of the major nuclear disasters? Rank stupidity. Fukushima was caused by the idiotic placement of backup generators and associated control hardware, in a basement and the subsequent failure of plant operators to call for necessary resources. Chernobyl was caused by them futzing with the reactor outside of normal operating procedures and then activating an emergency system that was not designed to handle those modifications. Three Mile Island was caused by a lack of appropriate sensors to recognize a lack of coolant in the reactor caused by a faulty relief valve. Knowing the reactor coolant level/pressure/temperature with certainty, having the ability to shutdown the reaction, and the ability to keep the reactor cool are the only things you need to prevent 99% of nuclear disasters. I'm not saying that designing a nuclear plant is easy, but keeping your backup cooling systems above water, not experimenting with a full sized nuclear reactor & knowing if your coolant is pouring out of a relief valve would seem to be no brainers that shouldn't have been missed.

  4. Re:42 YEARS!?? by Applehu+Akbar · · Score: 2, Insightful

    "To be fair, the 42 year delay was so that they could convince the people of Tennessee that electricity wasn't the work of the devil."

    No, the time was spent vainly trying to convince liberals of that fact.

  5. Re: Hooray! by djdarko · · Score: 1, Insightful

    That is the dumbest comment that I've seen on Slashdot in a long time. I am at a loss for words. You should be proud of yourself.