Tanjung Jati B power station

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Tanjung Jati B power station is an operating power station of at least 4640-megawatts (MW) in Tanjung Jati, Kembang, Jepara, Central Java, Indonesia. It is also known as 坦竣B电站.

Location

Table 1: Project-level location details

Plant name	Location	Coordinates (WGS 84)
Tanjung Jati B power station	Tanjung Jati, Kembang, Jepara, Central Java, Indonesia	-6.4447822, 110.743491 (exact)

The map below shows the exact location of the power station.

Loading map...

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Unit-level coordinates (WGS 84):

• Unit 1, Unit 2: -6.4447822, 110.743491
• Unit 3, Unit 4: -6.446, 110.7423
• Unit 5, Unit 6: -6.446488, 110.742359

Project Details

Table 2: Unit-level details

Unit name	Status	Fuel(s)	Capacity (MW)	Technology	Start year
Unit 1	operating	coal: bituminous	660	subcritical	2006
Unit 2	operating	coal: bituminous	660	subcritical	2006
Unit 3	operating	coal: bituminous	660	subcritical	2011
Unit 4	operating	coal: bituminous	660	subcritical	2012
Unit 5	operating	coal: subbituminous	1000	ultra-supercritical	2022
Unit 6	operating	coal: subbituminous	1000	ultra-supercritical	2022

Table 3: Unit-level ownership and operator details

Unit name	Owner	Parent
Unit 1	PT Central Java Power [100%]	Sumitomo Corp
Unit 2	PT Central Java Power [100%]	Sumitomo Corp
Unit 3	PT Central Java Power [100%]	Sumitomo Corp
Unit 4	PT Central Java Power [100%]	Sumitomo Corp
Unit 5	PT Bhumi Jati Power [100%]	Kansai Electric Power Co; PT United Tractors Tbk; Sumitomo Corp
Unit 6	PT Bhumi Jati Power [100%]	Kansai Electric Power Co; PT United Tractors Tbk; Sumitomo Corp

Tanjung Jati B Phase I and Phase II Location

The satellite photograph below shows the Tanjung Jati B power station, which is located at Tanjung Jati, Kembang District, Jepara Regency, Central Java Province, Indonesia.

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Tanjung Jati B Phase III Location

The satellie photograph below shows the Phase III expansion being built to the east of the Tanjung Jati B power station.

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Background

Tanjung Jati B power station is a 2,640 megawatt (MW) coal-fired power station located in Central Java Province, Indonesia. The power station comprises four 660 MW generating units. Tanjung Jati Coal Terminal serves the power station.

The current plant was built in two phases, each comprising two 660 MW units. A third phase of two 1,000 MW units is planned. The project owner, PT Central Java Power (owned by Sumitomo) has executed a finance lease agreement with PT PLN as the lessee. When the lease period expires the assets will be transferred to PLN.

In November 2022, Sumitomo announced that Units 1-4 of the Tanjung Jati B power station would be retired early in favor of developing the 9 GW Kayan Cascade Hydropower project.

In December 2023, construction work on a chute repair was underway at Tanjung Jati B power station.

Phase I (Units 1 and 2): 2 x 660 MW

The first phase went through a long history of development before finally being commissioned in 2006. The website "Power Plants Around the World" describes the story as follows:

" Tanjung Jati-B was proposed by Hopewell Holdings and initially bid as an IPP in June 1994. A PPA with PLN followed in September 1994. The EPC contract was signed in September 1995 and site work started on 15 April 1997. The Asian financial crisis combined with allegations about mismanagement of the PPA terms led to Hopewell withdrawing, leaving the project about one-third complete. Sumitomo renegotiated the development as a leasing scheme and construction resumed in September 2003 with financing from JBIC. The 5-year project suspension led to parts and equipment being stored onsite and at 75 locations worldwide."

Phase II (Units 3 and 4): 2 x 660 MW

Unit 3 was commissioned in November 2011 and Unit 4 was commissioned in January 2012. The units cost $2.1 billion.

Phase III (Units 5 and 6): 2 x 1000 MW

A third phase of two 1000 MW units is described in PLN's long-range plan for 2013-2022. It is referred to as "PLTU Jawa-4 #5 and #6" and is slated for 2019 and 2020.

In December 2013, the government of Jepara Regency renewed its push for the two units to be built. Outstanding issues that that point included lining up investors, land acquisition, building a new transmission line, and lining up government support.

As of March 2015, the plant's proponents were holding public hearings as part of the EIA environmental permit application process. Sumitomo said it hoped to complete the units by 2019.

PLN's long-range plan for 2016-2025 included Jawa-4 as a 2,000 MW addition in 2019. Sumitomo announced in December 2015 that a power purchase agreement had been signed for two units of 1,000 MW each. According to Sumitomo, the company along with Kansai Electric Power and PT United Tractors (an affiliate of Indonesian conglomerate Astra Group) signed the agreement with PT PLN (Persero) on December 21, 2015.

In February 2016, RambuEnergy reported that an environmental impact study, also known as an "Amdal study," for the two projects had been underway since the previous year. The head of the Amdal study team said that the study might be completed by the end of February. Governor Pranowo said that growing electricity demand in Central Java made the project crucial. The RambuEnergy article described the units as 1,070 MW each and described the combustion technology as ultra-supercritical. According to the article, local NGOs were calling on the government to postpone the Amdal document. A spokesperson for the United Jepara Forum (Forum Jepara Bersatu/FJB) said that the document needed further clarity.

The projects is a BOT (Build, Operate and Transfer) scheme of 25 years, after which it will be transfered to PT PLN. The total project cost is expected 500 billion yen, mainly funded by project finance. In February 2017, the financing for the plant was US$3.355 billion.

In March 2017, industri.bisnis.com reported the signing of a statement and guarantee document by PLN and BJP, described as a key part of the pre-financial close phase. PLN and BJB had previously. In December 2015 the two parties signed a power purchase agreement (PPA), and they amended the PPA in September 2016.

In August 2017 it was reported that construction had begun on the units, with completion planned for 2021. In August 2018 it was reported that construction was 32% complete. In May 2019 it was reported that construction was at 55%-60% and that Unit 5 and Unit 6 would be commissioned in September 2021. In July 2019 it was reported that construction of Unit 5 and Unit 6 was 75% complete.

In March 2020 the project's sponsor announced that it might be delayed as a result of the COVID-19 pandemic. Construction of Units 5 and 6 was reportedly 93% complete as of May 31, 2020. In April 2021 it was reported that construction was behind schedule and would not be completed until early 2022. PLN supported the decision to delay operation, stating that the electrical grid was likely to face an oversupply if three major power generation facilities came online in 2021, including the Tanjung Jati B power station and the Central Java Power Station. In January 2022, the project was reported to be 99.8% complete but an exact commissioning date was not announced due to Covid-19-related uncertainties.

In early 2023, Jawa-4 appeared listed as a 2022 achievement in a Ministry of Energy and Mineral Resources (ESDM) report through the Directorate General of Electricity, but the commercial operation date was unclear.

In April 2023, a PT Bhumi Jati Power company announcement stated that Units 5 and 6 achieved commercial operation in September 2022.

Public opposition

At a public hearing in Tubanan Village in March 2015, local fishermen spoke out strongly against the proposed plant. They argued that the company had failed to live up to the standards that it had set in the EIA for Units 3 & 4 in 2007. One complaint was that the plant's owners had failed to put a filter on the water intake as promised, with the result that small fish were getting sucked in and killed.

In November 2023, local farmers held a demonstration in front of Tanjung Jati B power station. Nearby rice fields had reportedly become unsuitable for farming since the power station was constructed.

Waste issues

The plant has had problems with waste disposal. Waste was originally being moved out of the plant via truck, but locals complained that the trucks were damaging local roads. The company then started transporting waste by barge, but fishers were worried that leaking waste would impact fish stocks. The company has only a limited amount of space onsite to store waste, and was concerned that the plant would have to shut down.

Financing

Financing for Phase II (Units 3&4) was closed in 2003. Financing was arranged by the Japan Bank for International Cooperation, the Bank of Tokyo-Mitsubishi UFJ, Sumitomo Mitsui Banking Corporation and the Tokyo Branch of BNP Paribas Bank. Approximately US$1.5 billion in loans was provided by thirteen financial institutions: Japan Bank for International Cooperation, Sumitomo Mitsui Banking Corporation, BNP Paribas, MUFG Bank, Shinsei Bank, ING Group, Deutsche Bank, Societe Generale, Mizuho Financial Group, HSBC, Mitsubishi UFJ Financial Group, WestLB, and Standard Chartered Bank.

Financing for Phase III (Units 5&6) was closed in March 2017. US$3,355 million in loans will be provided by Japan Bank for International Cooperation (JBIC), MUFG Bank, Mizuho Bank, Mitsubishi UFJ Financial Group, OCBC Bank, Sumitomo Mitsui Banking Corporation, Sumitomo Mitsui Trust Holdings, and Norinchukin Bank. Nippon Export and Investment Insurance (NEXI) provided insurance for the private bank loans. The financial advisor for the project is Sumitomo Mitsui Banking Corporation. US$838.81 million in equity is being provided by Sumitomo Corporation, Kansai Electric Power, and PT United Tractors.

Coal

For the existing plant, PLN concluded a coal deal in April 2017 with PT Indominco Mandiri and PT Kaltim Prima Coal (KPC) under which the plant will receive 4.8 million tonnes of coal per year for 5 years. The coal is 5,500-5,700 kcal/kg, i.e. bituminous coal. Units 5 and 6 will require an additional 7 million tonnes per year.

Articles and Resources

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.