The Tokyo Electric Power Company, Inc. (TEPCO) submitted an application for
the emergency and temporary use of the Shiobara Power Station (location:
Nasushiobara City, Tochigi Prefecture; capacity: 900,000 kW; pumped storage
hydroelectric power station*1) in accordance with Article 23 of the River
Law (permission for use of river water) to the Kanto Regional Development
Bureau of the Ministry of Land, Infrastructure and Transport. We inform
herein that we received a permission for the use of water for a limited
period of July 30 to September 7, 2007 from the Kanto Regional Development
Bureau today.
The Shiobara Power Station was revoked of its license under Article 23 of
the River Law by the head of the Kanto Regional Development Bureau on May 16,
2007, because of data falsification and defective paperwork. TEPCO is currently
proceeding with measures to stop leakage from the upstream Yashio Dam balancing
reservoir as we work towards reapplication under the Article 23.
Under this circumstance, the Niigata-Chuetsu-Oki Earthquake that occurred on
July 16, 2007, led to a shutdown of all units of TEPCO´s Kashiwazaki-Kariwa
Nuclear Power Station, with no prospect for it to reopen this summer. If the
weather grows very hot, peak demand may reach approximately 64 million kW.
In order to ensure stable supply of power, TEPCO applied for a permission to
use the river water under Article 23 of the River Law for a limited period so
that we can use the Shiobara Power Station in this emergency in order to
contribute to the steady supply of electricity, with the understanding of
local residents.
Again, TEPCO sincerely apologizes to the public, especially to those living
nearby the site, for the anxiety and trouble caused by of the recent earthquake.
TEPCO will continue to make every effort to secure power supply in order to
provide electricity to our customers without imposing any inconvenience.
*1: Pumped storage hydro power plant
This plant has a number of excellent features: it takes only several minutes
to reach maximum output after the start of operation, it takes only several
seconds to adjust the output, and it is adaptable to any rapid change in
electricity demand. Therefore, it can play an important role of supplying
power during the daytime when electricity demand is highest.
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