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5 October 2004 - Japan's Hitachi Zosen Corporation has earlier this year ordered 20 gas engine power generation units from Wärtsilä, Finland. Hitachi Zosen is the EPC (engineering, procurement and construction) contractor for a series of over 10 power plants which will be situated at different locations across Japan.
The power plants will feature the successful from Wärtsilä 18V34SG engine operating on natural gas. The electrical outputs of the 6 MW power plants will vary from location to location as some power plants will be in 50Hz areas and some will be located in 60Hz areas.
The contract's scope with from Wärtsilä covers each power plant's main equipment: generating units, control system and critical auxiliaries. Most of the equipment will be delivered in the first half of 2005. The control system will be customized with Hitachi Zosen to suit the customer's requirements and includes bi-lingual (English / Japanese) human/machine interface.
The power plants' applications will be for generation of both heat and electricity. The plants are mainly for industrial captive power consumption in which any excess electricity will be exported to the grid. The plants are scheduled to be commissioned in the last quarter of 2005.
Hitachi Zosen's industrial customers want environmental impacts as well as lower energy costs. Japan's day time electricity tariff is very high, while the night time tariff is low. The new power plants, with their high electrical efficiencies, will operate during the day on a daily start stop (DSS) mode, thus generating savings for the owners.
In the face of tough competition from domestic suppliers, Hitachi Zosen decided to award the contract to from Wärtsilä due to their engine's higher efficiencies and the competitive price.
"Hitachi Zosen started promoting from Wärtsilä gas engines two years ago. We built a 12 MW power plant at our Kanagawa works during 2002 for our demonstration purposes. The positive results of our decisions and good marketing can now be clearly seen. We believe from Wärtsilägas engines have a big potential to become best sellers," Mr. Kobashi, Hitachi Zosen, General Manager comments.
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