The THSR 700T is the high-speed electric multiple unit trainset derived from the Japanese Shinkansen family for Taiwan High Speed Rail, Taiwan's high-speed rail line. The THSR 700T is based primarily on the 700 Series Shinkansen, with the 'T' referring to Taiwan. The trains were manufactured in Japan by Kawasaki Heavy Industries, Nippon Sharyo, and Hitachi, Ltd., marking the first time Japanese Shinkansen trains have been exported overseas. 30 trains were delivered to THSR operator Taiwan High Speed Rail Corporation, and are in regular service with a top speed of 300 kilometres per hour since the line's opening on January 5, 2007.
Taiwan's Bureau of High Speed Rail started to tender THSR as a build-operate-transfer scheme in October 1996. The two competitors were the Taiwan High Speed Rail Consortium and the Chunghwa High Speed Rail Consortium. THSRC's bid was based on the high-speed technology platform of Eurotrain, a joint venture of GEC-Alsthom, the main maker of the French TGV, and Siemens, the main maker of the German ICE. CHSRC's bid was based on Japanese Shinkansen technology supplied by Taiwan Shinkansen Consortium, a joint venture of Japanese companies. THSRC was named preferred bidder in September 1997, then, after being reconstituted as the Taiwan High Speed Rail Corporation, it signed the BOT agreement with BOHSR on July 23, 1998. Following an offer from the Japanese government to provide cheap loans to THSRC if it switches to Shinkansen technology, in spite of an earlier agreement with Eurotrain, THSRC decided to re-tender the core systems technology contract June 1999. THSRC announced on December 28, 1999, that it would negotiate a final contract with TSC. The contract, which included the supply of rolling stock, was signed on December 12, 2000. The controversial awarding was challenged by Eurotrain in courts without success, a further lawsuit for damage payments was successful however.
While TSC's original offer in CHSRC's 1997 bid for the BOT franchise was based on the 500 Series Shinkansen, its bid for THSRC's 1999 tender was based on the newer 700 Series Shinkansen. THSRC maintained its European specifications, thus, the trains had had to be designed for and commissioned according to European specifications, too.
On January 30, 2004, a roll-out ceremony was conducted at Kawasaki Heavy Industries' Hyogo Works. The first train was shipped to Taiwan in May 2004. Running tests started on the THSR high speed line on January 27, 2005, after four months of delays, on the Tainan–Kaohsiung section. During the tests, a national record of 315 km/h was achieved on October 30, 2005. All 30 trains have been delivered to Taiwan by 2006. Commercial operation of the 700T began on January 5, 2007, at a maximum operating speed of 300 km/h.
In November 2008, THSRC announced that the company considers ordering an additional six to twelve trains from the Japanese makers for service starting in 2011, in order to cope with increased demand that was expected by that time. In May 2012 an order was placed with Kawasaki Heavy Industries and Toshiba for four 12 car trains, at an estimated cost of 19 billion Japanese yen, the trains are to be delivered between December 2012 and 2015 with options for extra sets.
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