Iwanuma Mill power station

From Global Energy Monitor

Iwanuma Mill power station (日本製紙 岩沼工場, 日本製紙株式会社岩沼工場, 岩沼工場) is an operating power station of at least 158-megawatts (MW) in Miyagi, Japan with multiple units, some of which are not currently operating. It is also known as Nippon Paper (NPI) Iwanuma Mill 6-6 (Unit 4), Nippon Paper (NPI) Iwanuma Mill 4-3 (Unit 3), Nippon Paper (NPI) Iwanuma Mill power station.

Location

Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Iwanuma Mill power station Miyagi, Miyagi, Japan 38.0905, 140.8608 (exact)[1][2]
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Unit-level coordinates (WGS 84):

  • 5: 38.0905, 140.8608
  • 6: 38.0922729, 140.8621213
  • Unit 2, Unit 3, Unit 4: 38.0897829, 140.8607769

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year Emergency/Backup
5 Operating[3] bioenergy: paper mill wastes[3] 48[1] 2007[4] False
6 Cancelled - inferred 4 y[1] bioenergy: wood & other biomass (solids)[1] 65.8[1] False
Unit 2 Retired coal: unknown[5] 55 subcritical 1969 2007 False
Unit 3 Operating coal: unknown[5] 65.8 subcritical 1991 False
Unit 4 Operating coal: unknown[5] 45 subcritical 2007 False

Table 3: Unit-level ownership and operator details

Unit name Owner Parent
5 Nippon Paper Industries Co Ltd [100%][3] Nippon Paper Industries Co Ltd [100.0%]
6 Nippon Paper Industries Co Ltd [100%][3] Nippon Paper Industries Co Ltd [100.0%]
Unit 2 Nippon Paper Industries Co Ltd [100%][3] Nippon Paper Industries Co Ltd [100.0%]
Unit 3 Nippon Paper Industries Co Ltd [100%][3] Nippon Paper Industries Co Ltd [100.0%]
Unit 4 Nippon Paper Industries Co Ltd [100%][3] Nippon Paper Industries Co Ltd [100.0%]

Project-level captive use details

  • Captive industry use (heat or power): power[3]
  • Captive industry: Pulp & Paper[3]


Project-level coal details

  • Coal source(s): imported

Ownership Tree

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

Financing

Source of financing:

Background

The mill began operations in 1968 with Unit 1 being commissioned that year and Unit 2 in 1969.[6] Unit 3 was commissioned in 1991.[6] Units 1 and 2 were retired in 2007 with the commissioning of the mill's new biomass-fired power plant.[7]

Articles and Resources

References

  1. 1.0 1.1 1.2 1.3 1.4 "Renewable Energy Business Plan Certification Information". 2025-12. Archived from the original on 2022-02-13. Retrieved 2025-12-10. {{cite web}}: Check date values in: |date= (help)
  2. https://goo.gl/maps/JnxyLhszEvyuMkno7. {{cite web}}: Missing or empty |title= (help)
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 https://www.nipponpapergroup.com/sp/about/branch/factory/npi/iwanuma/. {{cite web}}: Missing or empty |title= (help)
  4. https://www.nipponpapergroup.com/e/news/news06011701.html. {{cite web}}: Missing or empty |title= (help)
  5. 5.0 5.1 5.2 https://www.gem.wiki/Coal_source_methodology_for_the_Global_Coal_Plant_Tracker. {{cite web}}: Missing or empty |title= (help)
  6. 6.0 6.1 大昭和製紙株式会社岩沼工場, Paper and Paper Cooperative Magazine Vol. 55, No. 8, accessed May 2020
  7. Reliable & Proven Design for Circulating Fluidized Bed Boiler CFB Power Plant by Sumitomo Heavy Industries Co., Ltd., Sumitomo Heavy Industries, January 2013

Additional data

To access additional data, including interactive maps of the power stations, downloadable datasets, and summary data, please visit the Global Bioenergy Power Tracker and the Global Coal Plant Tracker on the Global Energy Monitor website.