Industry in Jepara has historically revolved around the wood and furniture business. However a government decision to construct a large coal fired plant local to Jepara at Desa Tubanan has introduced a welcome addition. The Coal fired power plant provides significant benefits to the Central Java energy infrastructure, provides local employment and has encouraged the development of diverse skills and services from the local townships and communities.
The project construction originally commenced in 1994, however was suspended in June 1998 as a consequence of the economic crisis. The project was re commenced in June 2002 after the signing of a finance Lease Agreement, financial close was June 2003. The Sumitomo Corporation through the vehicle of Central Java Power, lease the plant to PLN, the Indonesian utility. Commissioning commenced in October 2004 and both units commenced commercial operation in October and November 2006.
The plant is a 2 x 660MW coal fired plant operated by PLN’s sub contractor Tanjung Jati B Power Services. The Babcock boiler operates at (B-MCR) 175 bar a with 2,313T/H, The Main steam temperature is 541degrees centigrade. The turbine is a three cylinder impulse type, tandem compound reheat condensing turbine with a rated output of 710MW. The generator active power is 721.8MW and apparent power 802MVA, it is a 3 phase two pole synchronous machine, a totally enclosed unit, Hydrogen and water cooled, generating at, 3,000rpm, 22.8kV 50Hz. The plant is fitted with Flue Gas Desulphurisation plant and other environmental innovations, making it a leader in environmental responsibilities in Indonesia and South East Asia. The plant receives coal by ship from Kalimantan.
The community has embraced the power plant, providing commitment and support to such a significant investment key to the success and future of Indonesia. The Plant is deemed a national Vital Object and Jepara is very proud of it’s neighbor.
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