Blackout Watch

Major Disturbance in UCTE system

The Union for the Coordination of Transmission of Electricity (UCTE) grid suffered a severe disturbance on 4 November 2006. Immediate action by TSOs prevented a Europe-wide blackout. This article summarizes the findings ( from the subsequent UCTE investigation. E.ON Netz was requested to disconnect the double circuit 380kV line Diele-Conneforde in Northern Germany on 5 Novembe... More

Tokyo Blackout August 14, 2006

The second largest blackout in the history of TEPCO (The Tokyo Electric Power Company, Inc.) hit central Tokyo area at about 7:38 a.m. on August 14, 2006. It was caused by a floating crane on a barge going upstream on a river on the eastern edge of the city. The workers on the boat did not realize that the 33 meter crane was raised too high, so it hit TEPCO's 275 kV double circuit transmission ... More

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