Sulut-1 power station

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Sulut-1 power station is a power station under construction in North Sulawesi, Indonesia.

Location

Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Sulut-1 power station North Sulawesi, Indonesia 0.890184, 123.470106 (exact)
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Unit-level coordinates (WGS 84):

  • Unit 1, Unit 2: 0.890184, 123.470106

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year
Unit 1 Construction[1] coal: unknown 50[1] subcritical 2025 (planned)[1]
Unit 2 Construction[1] coal: unknown 50[1] subcritical 2025 (planned)[1]

Table 3: Unit-level ownership and operator details

Unit name Owner Parent
Unit 1 PT PLN (Persero) [100%] PT PLN (Persero) [100.0%]
Unit 2 PT PLN (Persero) [100%] PT PLN (Persero) [100.0%]

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Background

Sulut-1 power station consists of 2 x 50 MW units.[2] The plant will be built in Bindjeta, East Bolangitang District, North Sulawesi.[3]

The long-range plan for 2019-2028 lists the two units coming online in 2021 and 2022.[4] In September 2019 Persero signed contracts for construction of the plant.[5] PT Medco Power Indonesia was awarded the operation and maintenance (O&M) contract. A consortium consisting of Medco Power, PT Inti Karya Persada Tehnik, PT PP Persero Tbk, ITOCHU Corporation, and Sumitomo Heavy Industries, was awarded the engineering, procurement, and construction contract.[6] The EPC contract was worth IDR1.24 trillion (approximately US$88 million).[7]

A June 2021 report from the Institute for Energy Economics and Financial Analysis lists a target operation date of 2023/2024 for the Sulut-1 power station.[8] An August 2021 news report, however, stated that progress on the Sulut-1 power station was 22% complete, and that commercial operation was targeted for Q4 2022.[7] As of December 2021 the estimated completion date for Unit 1 was 2023, and for Unit 2 it was 2024.[9]

In June 2022, the target operation for both units was described as "before 2024".[10]

In August 2023, construction was reportedly 85% complete.[11]

In September 2023, the units were undergoing testing. A PLN representative stated that the power station had been developed with a system that could co-fire with another fuel besides coal in the future.[12] At the end of September 2023, construction was reportedly 90% complete, and both units were slated to be commissioned in 2024.[13]

In February 2024, an accident occurred at the construction site, resulting in two injuries. A protest was held to temporarily halt work at the power station, as demonstrators reportedly suspected that the workers involved in the incident were not wearing protective equipment.[14]

As of December 2024, Sulut-1 power station did not appear to have entered operation.

In March 2025, Sulut-1 power station reportedly passed its load rejection test.[15]

In June 2025, Indonesia publicly released its updated electricity supply business plan (RUPTL 2025-2034). The commercial operation of Sulut-1 power station in 2025 was listed as a priority.[16]

Articles and Resources

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 (PDF) https://gatrik.esdm.go.id/assets/uploads/download_index/files/b967d-ruptl-pln-2025-2034-pub-.pdf. {{cite web}}: Missing or empty |title= (help)
  2. Rencana Usaha Penyediaan Tenaga Listrik (RUPTL) 2017-2026, PT PLN Persero, D-6
  3. PLTU di bolmut segera ditenderkan ini sikap anggota dprd, LiputanBMR.com, Feb. 20, 2018
  4. Rencana Usaha Penyediaan Tenaga Listrik (RUPTL) 2019-2028, PT PLN Persero, V-57
  5. PLN Teken Kontrak Pembangunan Tiga PLTU, Ekonomi, Sep. 9, 2019
  6. Medco Power Operasikan PLTU Sulut-1 dan Timor-1, PetroMiner, Aug. 29, 2019
  7. 7.0 7.1 PTPP targets new contracts from the energy sector to reach Rp 3 trillion this year, Kontan, Aug. 2, 2021
  8. Putting PLN’s Net Zero Ambition into Context, Institute for Energy Economics and Financial Analysis, June 25, 2021
  9. Communication with CERAH
  10. Pelaksana Proyek PLTU Sulut 1 PP EPC Diduga Ambil Material Tanah Timbunan dari Lokasi Tak Berizin, Waktu News, June 19, 2022
  11. PLN Berhasil Beri Tegangan Pertama Gardu Induk PLTU Sulut-1, Bisnis Indonesia, August 2, 2023
  12. Siap Tingkatkan Keandalan Sistem Kelistrikan SulutGo, PLTU Sulut-1 Lewati Tahap Backfeeding, Manado Post, September 8, 2023
  13. Tingkatkan Sistem Kelistrikan SulutGo, Pembangunan PLTU Sulut-1 Sukses Lewati Tahap Hydrotest Boiler Boiler, Manado Post, September 29, 2023
  14. PLTU Binjeita Didemo: Buntut dari Kecelakaan Kerja, Identik, February 29, 2024
  15. PLN UIP dan UPP Sulut berbagi kebahagiaan dengan anak panti dan pesantren di Manado, Antara Sulut, March 18, 2025
  16. Rencana Usaha Penyediaan Tenaga Listrik (RUPTL) 2025-2034, PT PLN (Persero), June 2025

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.