Y2-KO: 3 US nukes unexpectedly shut down
>From the AP:Dec 31, 1999 - 08:29 PM
U.S. Electric System Passing First Y2K Test, Officials Say The Associated
WASHINGTON (AP) - America's electricity system passed its first real-world
test Friday night as a third of the power companies' equipment rolled
through the Y2K transition without problems, Energy Secretary Bill
But officials were watching three nuclear power plants that unexpectedly
shut down in South Carolina, Georgia and Pennsylvania as the new year
approached, although none of the shutdowns were found to be Y2K-related.
-- Jennifer Bunker (Salt Lake City, Utah) (Jen@...), December
WASHINGTON, Dec. 31, 8:48 p.m. - A unidentified power plant in the U.S.
Midwest experienced a date-related computer glitch Friday after passing
midnight Greenwich Mean Time, but electricity supply was not disrupted and
the problem was fixed quickly, electric industry officials said.
WASHINGTON, Dec. 31, 10:33 p.m. -- U.S. Energy Secretary Bill Richardson
reports nuclear facilities in Russia and the rest of the world had
apparently passed the Year 2000 threshold safely with no computer glitches.
Apparently, Richardson didn't know about the "glitches" at at multiple
reactors in Japan. At least 4 Y2K glitches have occured so far, according
to two news media articles:
Glitch #1: A malfunction prevented a monitor from displaying data on
radiation emitted to the environment.
Glitch #2: The data transmission system failed to display information soon
Glitch #3: An alarm for a system processing meteorological data went off
soon after midnight, but order was restored 10 minutes later.
Glitch #4: The alarm showed a defect with a device measuring the
temperature of sea water cooling the reactor. (see 2nd article below)
Third equipment malfunction reported at Japan N-plant
Updated 5:06 PM ET December 31, 1999
TOKYO (Reuters) - Three equipment malfunctions were reported at Japanese
nuclear plants after the start of the new year but the problems had no
effect on power generation or reactor operations, local and company
Two of the malfunctions were reported at the Shiga nuclear power plant
about 186 miles northwest of Tokyo run by Hokuriku Electric Power Co
Officials reported problems with the plant's radiation monitoring system.
There was also a problem with a system used to send data on radiation
emission and the state of the power plant to company headquarters and the
government in case of emergencies.
A local official said the first malfunction prevented the monitor from
displaying data on radiation emitted to the environment. But the official
said checks of five on-site monitoring posts found that radiation levels
The monitoring system is run by the Ishikawa prefecture.
The data transmission system failed to display information soon after
midnight, a spokesman for Hokuriku Electric said.
An alarm for a system processing meteorological data at Tohoku Electric
Power Co's Onagawa nuclear power plant in Miyagi Prefecture also went off
soon after midnight, but order was restored 10 minutes later, with no
disruptions to power generation, government officials said.
The cause of the problems, including the possibility that they were
Y2K-related glitches, was being investigated, company and local officials
Japan has 51 nuclear reactors providing roughly one-third of the nation's
Friday, 31 December, 1999, 21:13 GMT
Japan nuclear plants malfunction
The glitches follow the Tokaimura disaster in September
Two nuclear power plants malfunctioned in Japan seconds after the clock
ticked into 2000.
Officials said the faults were minor and there was no danger.
The government and company officials have launched investigations into
whether the glitches were related to the millennium bug.
Officials said a system to monitor radiation levels malfunctioned at a
nuclear plant in Ishikawa, central Japan, immediately after midnight.
"There is a possibility that this is related to the 2000 computer
problem,'' said local government official Takashi Minami. ''Our preparation
might not have been good enough."
However, officials said radiation checks at the plant showed levels were
In a separate incident an alarm sounded at another nuclear power plant in
Onagawa, northern Japan, two minutes after midnight.
The alarm showed a defect with a device measuring the temperature of sea
water cooling the reactor.
But no serious problems were found and the plant, run by Tohoku Electric
Power Co, continues to run normally.
Takashi Ichinomiya, an official at the Ministry of International Trade and
Industry working on the millennium bug, said he was investigating the
incident, but there was no danger and the plant would not have to be shut
Fears about nuclear power have increased in Japan since September when
three workers at a uranium processing plant in Tokaimura, north-east of
Tokyo, set off the world's worst nuclear disaster since Chernobyl in 1986.
They triggered a critical reaction that exposed at least 126 people to
radiation. The worst affected worker, Hisashi Ouchi, died this month.
Japan has 51 nuclear reactors providing roughly one third of the nation's
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