Japan already faces rolling blackouts for months due to the loss of electrical capacity.
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Energy shortages in 2008 led to rolling blackouts, disrupting manufacturing and the country's crucial mining industry.
But the alert lasted for only two hours and did not result in any rolling blackouts.
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In the meantime, he said, electricity would be rationed with rolling blackouts to several cities, including Tokyo.
Even after those are built, the country will need more energy capacity by 2019 or face rolling blackouts again.
Gent predicted the state will sustain an average of 15 hours of rolling blackouts a week throughout the summer.
Power-plant disruptions continue to cause rolling blackouts that cut electricity to data centers throughout the country in three-hour increments.
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Rolling blackouts were planned across much of Japan and there were concerns about shortages of fuel oil and gasoline.
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Officials said they did not expect any rolling blackouts, which would normally kick in under a Stage Three alert.
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Such laws also slow the construction of power plants, contributing to the rolling blackouts that crippled South Africa in 2008.
Pakistanis suffer from rolling blackouts that can be as long as 18 hours a day as well as a stuttering economy.
Enernoc has been called upon 21 times in California to help prevent rolling blackouts like the ones that hit in 2001.
We may be facing brownouts (voltage reductions) and even rolling blackouts.
At one point Thursday, the state was just 1, 000 megawatts from declaring a Stage 3 alert that could trigger rolling blackouts, California energy officials said.
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Yet on Wednesday Texans woke to news of rolling blackouts statewide.
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India is starved for electricity: in Chennai, the South Indian megacity where the launch occurred, rolling blackouts cut the power for two hours each day.
Tokyo Electric Power began imposing rolling blackouts at 5:00 p.m. on Monday in Japan, darkening 330, 000 households in Yokohama, Kawasaki and elsewhere in the Kanto region.
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Since Monday the company has been operating rolling blackouts to deal with substantial power shortages after the Kanto-Tohoku earthquake on March 11 crippled the Fukushima plant.
While power might be restored in parts of the regions within a matter of days or weeks, acute shortages could mandate rolling blackouts for as long as several years.
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Tepco's service region will be divided into five areas and each will have rolling blackouts for three hours a day by rotation, the Agency for Natural Resources and Energy said.
But FERC also soiled the proverbial carpet by blaming the state in part for the crisis that led to economic calamity and rolling blackouts in areas served by its main power supplier.
Anxious casino executives were pleading with Higgins to help fend off the rolling blackouts that were hitting California: A dark half-hour on the Strip could mean tens of millions of gaming dollars lost, not to mention a security nightmare.
An area of little doubt: The next few weeks will bring more difficulties to areas untouched by the earthquake and tsunami as the electric utility Tepco institutes rolling blackouts in the Kanto region around Tokyo to cope with a shortage of power.
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Seven years ago, with California sweating through rolling electricity blackouts, the stock market worked up an appetite for outfits selling new ways of generating power.
China has rolling power blackouts that affect production and delivery.
Beyond prices, we also see failures during peak periods in many places due to aging infrastructure and fragile grid structures (as evidenced by unanticipated brownouts, blackouts, and rolling brownouts in some regions).
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